Oracle case statement in where clause multiple values. In Contacts, I have ID, Name, and Email as the fields.

Oracle case statement in where clause multiple values. Oct 7, 2021 · Don’t worry if you’ve never used a CASE statement. I’ll show and explain it to you with a short example. In SQL, we use Order By clause to sort results in ascending or descending order. * * @param sql The SQL statement string with one IN clause. customer_id IS NULL; and when pcustomer_id IS NOT NULL then c. Then I’ll move to other uses of the CASE statement, especially in an ORDER BY clause. create table account( account_id number primary key, account_status varchar2(30)); insert into account values(1, '5'); insert into account values(2, '3'); insert into account values(3, '2'); select * from account update account set account_status= case when account_id=1 then '2' when account_id=2 then '5' when Aug 8, 2016 · I've been trying to look up for awhile now if it's possible to use an alias stated earlier in the select statement if it can be used in a case later in the case statement for Oracle SQL. IsFrozen FROM employee, employeerole Jul 2, 2010 · I am facing a problem in executing queries with CASE statement. ---code. The WHERE clause then continues with further conditions but this specific one halts the query. Exactly what I needed to remove hard-coded values from my code. ) Else (Select ProductID from Product) End as ProductID ) Dec 4, 2013 · Hi All,I want to use the CASE statement in the WHERE clause to build the condition for a column with different values, feedback about Oracle Sep 22, 2015 · There is another workaround you can use to update using a join. Another option is dynamic SQL, where you actually create a string with the SQL statement and then execute it. I didn't know you could use the syntax "ON (my_field LIKE Apr 17, 2015 · If values from select techfund_debitor_enabled from impl_shop where shop_id='4987bc1b-c0a8-6cb7-12f4-0243011f7099' is "YES" then I need to pass 2 values to in clause, if not single value Thanks in advance Sep 10, 2021 · The CASE statement returns a "column value" that cannot be evaluated as a WHERE CONDITION itsef, but you can use it as a value 1 or 3 depending on sysdate, and then use this value in the filter condition: Apr 24, 2007 · Case construct with WHERE clause Hi Tom, I have a question and I don't know if this is possible or if i'm jsut doing something wrong because i get multiple errors like missing right paren, or missing keyword. If you pass a nr of strings like you do, the value will always be the first. Aug 20, 2008 · I had played around with using the CASE statement in the where clause to sql more dynamic but had also run into the same problem with needing multiple values returned for the in. [desc] = 'string2' THEN 'String 2' WHEN codes. I have a scenario where I have to run a report in automatic and manual mode. – Jul 6, 2015 · I have a codition in which i need to use multiple parameters in where clause using Conditional operator. Dec 12, 2017 · How to return multiple values using case statement in oracle. FILENAME in (select distinct filename from tablename where asofdate='10-nov-2009' and isin is null); Oct 25, 2016 · Multiple conditions in oracle case statement. The CASE statement evaluates a single expression and compares it against several potential values, or evaluates multiple Boolean expressions and chooses the first one that is TRUE. Oracle Case in WHERE Clause with multiple made with set tactics is equal to its value Jun 11, 2021 · SQL queries support case expressions. Dec 7, 2023 · How to use CASE for IF-THEN logic in SQL SELECT. Jan 17, 2020 · Hello Tom Is it possible to change the where condition (using case statement) based on certain variable? For example var T varchar2(1) exec :T := 'E'; var E number; exec :E := 7788; var N varchar2(20) exec :N := 'MILLER'; select empno, ename from emp where -- how to use case statement to vary the condition based on :T -- if :T = 'E' then the condition should be where empno = :E -- and if :T Aug 20, 2024 · Understanding the CASE Statement. If the @UserRole variable value = 'Analyst', then the SupervisorApprovedBy column value must be NULL. How to handle this case? Sep 27, 2013 · I need to run a CASE expression on a number of columns, the columns are Boolean, so if it's 0 I need to populate the column with the column name and if it's 1, I ignore the column/value. Dec 2, 2020 · In the case of using Dynamic SQL there are times when a CASE Statement MUST be used due to the fact that there could be data that is being compared against in the WHERE clause that is NOT a column. EmployeeName, Employee. Oracle implemented this multi-value comparison IN list with a limit of < 100,000 rather than the 1,000 in the normal IN list. Kindly guide me how can i return multiple parameters from case clause. The Oracle IN operator determines whether a value matches any values in a list or a subquery. Dec 3, 2014 · You just need to make both comparisons in the same case statement: and dep_dt = case when to_char( SysDate, 'D' ) <> '2' and dep_dt <= SysDate then dep_dt else SysDate end In case of self join, for N number of values, you'll need N self join. If TYPE_DEFINITION = 'CAT' then use CATEGORY column . where number=123,127,130 or where number=123 AND 127 AND 130 etc. Jun 23, 2009 · Use ALTER SESSION statements to set comparison to case-insensitive: alter session set NLS_COMP=LINGUISTIC; alter session set NLS_SORT=BINARY_CI; If you're still using version 10gR2, use the below statements. I need to check a value from a parameter, and depending on it, apply the right clause. The result of the case statement is either 1 or 0. I need to search for some 30 possible values that may appear anywhere in the free-form text of the column. Jun 3, 2013 · (COALESCE takes the first non NULL value) Note this will only work when you the column content cannot be '' (empty string). column1='2' AND A. Note: same CASE statement is used in PL/SQL blocks. This SELECT statement would return all supplier_name and order_id values where there is a matching record in the suppliers and orders tables based on supplier_id, and where the supplier's state is California. ColumnName != '' is equivalent to e. Is there a "better" way to rewrite a SELECT clause where multiple columns use the same CASE WHEN conditions so that the conditions are only checked once? See the example below. If this condition is satisfied, check for orders with a value 1 for column [OnlineOrderFlag]: Jul 22, 2017 · how can return multiple values for THEN in CASE. CASE s. I assume that you want something like this: select A, B, (case when A = 'default' then 'dl_vint' when A = 'non default' then 'lw_vint' when A = 'Deliquent' then 'hg_vint' end) from Application Feb 10, 2017 · Oracle ignores rows where one or more of the selected columns is NULL. CASE WHEN col1 > val1 AND col2 > val2 THEN 1 ELSE 0 END But a CASE expression must return a single scalar value. You could use the CASE statement in a SQL statement as follows: (includes the expression clause). Technical questions should be asked in the appropriate category. Mar 20, 2023 · You cannot return an expression from the THEN clause of a CASE expression; it needs to return a single scalar value. Description, Employee. Id AND C. Based on my condition,(for eg. Sometimes I know the list of parameters beforehand or sometimes I don't know beforehand. Example: connection. The advantage would be that you can change the data in the table easier than changing all of the queries that have that case statement. ID_DOC = D. If not CASE is there any other way that I can handle. i. Additionally, you have AND t. Nov 6, 2016 · I want to write the Select statement like this: SELECT somefields FROM sometable WHERE CASE variable WHEN 'blank' THEN field IS NULL ELSE field = field END Basically I either want to filter a column to find NULL values or ignore the filter and return all values depending on the value of the variable. Oracle SQL Case statement with NULL values. I want to use the CASE construct after a WHERE clause to build an expression. We can use Case statement with order by clause as well. COLUMN2) AND (D. Dec 30, 2008 · This works because this is a multi-value comparison IN list. [desc] = 'string4' THEN 'String 4' END AS description FROM table1 As an additional input, although it does not relate to this thread, you can also aggregate your case statements without mentioning it in the group by clause. So, in the first usage, I check the value of status_flag, returning 'A', 'T' or null depending on what it's value is, and compare that to t. case. For example, we want records from the [SalesOrderHeader] table where the orderdate is between specified dates. For ex: select count(*) from tablename a where asofdate='10-nov-2009' and a. value and so on uptil 30 more 'when' conditions ELSE A. Moreover, your query would have never returned rows with department - "Accounts or Unknown" because of the filter Department="SALES" Introduction to Oracle IN operator. Apr 4, 2018 · Incidentally, if you were only using the l_tdoay_date value once - and didn't have the dbms_output debugging call at the end - you wouldn't need that variable; you can use case with the function call: BEGIN CASE TO_CHAR(SYSDATE, 'DAY', 'NLS_DATE_LANGUAGE=ENGLISH') WHEN 'MONDAY' THEN May 26, 2016 · I believe that a CASE statement can only return one value (corresponding to one column in the result set). ID_DOC withount joining the JOBS table. For example, to get the products whose list prices are between 650 and 680, you use the following statement: May 5, 2015 · The case statement is an expression that returns a single value. g. The old code had each one hard-coded. Nov 17, 2015 · You can use the slightly more robust case syntax and express the cases as conditions instead of just possible values:. Feb 10, 2009 · We recently changed our system to limit the size of the in-clauses and always use bound variables because this reduced the number of different SQL statements and thus improved performance. DETAIL_CODE IN (SELECT t. Date) thus it is evaluated once for each row in the outer query. com. Thanks for accepting this as the answer but Tony Andrews solution is a lot more straightforward and, in my view, the better answer. Both perform good. [desc] = 'string1' THEN 'String 1' WHEN codes. To find rows that have a value between two values, you use the BETWEEN operator in the WHERE clause. It’s useful when conditions depend on the outcome of previous conditions: Hierarchical Conditions: Conditions based on the result of prior conditions. DETAIL_CODE FROM which is just like doing AND 1 IN (SELECT 1 FROM . For Female employee, employee salaries should come in descending order Apr 10, 2018 · Hi, Dieter Glad that the (+) syntax is helpful for you. length), I want to execute different SQL statement. There are two main forms of the CASE statement: Simple CASE: Compares an expression to a set of simple expressions to determine the result. : Returning categories based on the salary of the employee. See this FAQ for details. The CASE statement in SQL is a conditional statement that allows us to specify conditions and return different values based on whether those conditions are met. In that example, what if you have to get the results with all these three flags "Uploaded", "Volunteer" and "Via Import " in it? So, i think using GROUP BY with HAVING COUNT makes more sense. My string masks are stored in a configuration table. Always use proper, explicit join syntax. This was not an elegant solution for changing values and would require change control protocols if I had any new values. * ,D. tag = 'Y' THEN 'other string' WHEN codes. SELECT count(*) FROM userTable WHERE ( CASE WHEN mac IS NULL THEN mac IS NULL ELSE mac = '000fe95erd32' END ) your clause is not well good. To find a sub-string match you can either use LIKE: SELECT ID, NAME, CASE WHEN Descr LIKE '%Test%' THEN 'Contains Test'. So you need to rewrite this. You can look to the case as a value, so you have to put an operator between the case and the other operand. I am using SQL Developer and Oracle version 11. A IN (4,5) THEN 1 END This enables you to reuse it in many SQL statements and clauses without Returning many values with CASE. B = 1 AND T. column1=B. The "searched" CASE expression evaluates much more general logical "conditions", not just equality. But you could emulate this behavior with some boolean operators: SELECT value d, id r FROM dhm_lov_data WHERE lov_id = 103 AND NVL(isselected, 0) = 0 AND (:P21_TYPEID = 848 AND parentid_1 IN (287,288) OR :P21_TYPEID = parentid_1) ORDER BY d FROM T1, T2 WHERE CASE T2. In Contacts, I have ID, Name, and Email as the fields. Second problem is that you are trying output a boolean value from your CASE. A FROM T WHERE 1 = CASE WHEN T. In larger data systems with many users, sometimes new values will creep into Since web search for Oracle case tops to that link, I add here for case statement, Sep 30, 2016 · I'm interesting that how can I use if-then-else statement or any control structure in where clause in Oracle. SupervisorApprovedBy = SupervisorApprovedBy. Any help would be great in knowing if this type of statement is possible. Tried a whole host of methods using STRAGG and in-list functions but kept running into limitations Thanks for showing how I can do dynamic where clauses without using Aug 27, 2015 · [ELSE statement_list] END CASE Or: CASE WHEN search_condition THEN statement_list [WHEN search_condition THEN statement_list] [ELSE statement_list] END CASE For the first syntax, case_value is an expression. 0. column1='1' AND A. when (l_eno is null and l_ename is null) then. CASE WHEN <condition> THEN <return expression> your query is malformed. Combining these two statements in the following ways does not seem to work: Jun 21, 2018 · A case expression returns a value, not a condition you could just add to your where clause. prepareStatement("Select * from test where field in (?)"); If this in-clause can hold multiple values how can I do it. column1='2' THEN C. Oracle with CASE Statement in WHERE clause. I have a table with the below data, SELECT DEPT_NO, DEPT_NAME FROM SORTNG_LOGIC; DEPT_NO DEPT_NAME It should be worth adding that I have multiple cases of each data point in column A. "1", however doing so does not accomplish my goal. for example. In a "simple" CASE expression you compare one expression to one or more values; that doesn't work with NULL, as we know from the first week of SQL classes. Create Procedure( aSRCHLOGI Is there a way of combing these two techniques. Jun 24, 2010 · How to set value for in clause in a preparedStatement in JDBC while executing a query. value WHEN A. 1) LEFT JOIN the JOBS table and then use your CASE statement. So the first value val1 is 'magic', this could have been a column as well. Do not provide 5 in your condition, by default it will be omitted Apr 2, 2020 · Case construct with WHERE clause Hi Tom, I have a question and I don't know if this is possible or if i'm jsut doing something wrong because i get multiple errors like missing right paren, or missing keyword. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Oct 25, 2017 · I'm trying to avoid dynamic sql. What do I need to change to Jul 22, 2017 · How to return multiple values for THEN clause in an SQL CASE expression Hi Tom,The question which i am asking might look very simple but for the past 2 days I have been trying for a solution and checking in multiple forums but couldn't get any clue. searched_case_statement ::= Jul 26, 2020 · COALESCE will return the first NOT NULL value in the list of arguments. e more than 1 value. It means that the two values have to exist in the same row. Mar 1, 2016 · COALESCE does not work in the way described here. How to get the correct values from a multiple where statements in SQL Server. Notice the statement is finished with the END CASE keywords rather than just the END keyword. WHEN Descr LIKE '%Other%' THEN 'Contains Other'. Syntax. column1='3' THEN D. Jun 20, 2012 · For some complex WHERE clauses, it may make sense to use it (your current one can be solved without, as @Somebody is in trouble's answer shows), but you need to structure it to return a single result value or expression: SELECT T. It is actually an OR statement. Otherwise, Oracle returns null. This is particularly important if the case is in a subquery. – Jeffrey Kemp Jun 1, 2020 · You have to use IN clause if you need to filter multiple values from same column. If you want to use case, then you need to return a value and do a comparison: (CASE order_date > sysdate and fee_rate_type in ('REGULAR', 'BONUS') then 1 order_date <= sysdate and FEE_RATE_TYPE in ('REGULAR') then 1 END) = 1 However, I would encourage you not to use case in a Sep 7, 2009 · Excellent. This is because CASE is designed to return a value, rather than to dynamically construct the SQL inside it. I know I can write two separate SELECT's using a CASE statement, but that will be very dumb and Feb 22, 2011 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. Select CASE SQL Mar 6, 2019 · I have two tables in a database. in other words, we have counted employees only their salary of more than 10000$ in the case of two departments (70,50). Contacts and Filter. However, my CASE expression needs to check if a field IS NULL. Apr 27, 2004 · Here is the basic syntax of an Oracle CASE When statement: case when <condition> then <value> when <condition> then <value> else <value> end Examples. 2. Jun 2, 2023 · You can use nested CASE statements so that the return value is a CASE expression. The CASE statement chooses from a sequence of conditions, and executes a corresponding statement. Dec 10, 2021 · main table create table new_details( e_id number(10,0),ac_ec varchar2(50 byte),constraint pk_new_details primary key (e_id)); insert into new_details values(11,'ac') ; reference table: c Aug 7, 2018 · CASE <expression> WHEN <comparison expression> THEN <return expression> … or. * @param params The number of parameters the SQL statement requires. Best way to learn is to play with your query and test over and over again Oracle SQL CASE statement gives you the flexibility to use sql IF ELSE logic in a SELECT, WHERE and JOIN clause. column1=C. clientId=100 LEFT JOIN C ON A. 2 and SQL Developer Version 17. In you first version you have. * @return The SQL statement with (?) replaced with multiple parameter * placeholders. Jan 11, 2016 · I am facing difficulty in understanding oracle(12c) sql order by clause with case statement. criterion_1 = value) then (1) when (bool_value = false and mt_. I also have other columns in my query that are unique so I can not use a DISTINCT. CASE Statement. Aug 19, 2011 · How to return multiple values using case statement in oracle. ) This Oracle WHERE clause example uses the WHERE clause to join multiple tables together in a single SELECT statement. You can use a CASE expression in any statement or clause that accepts a valid expression. All possible values returned by a CASE expression must be of the same data type. Using the AND operator, you may chain Apr 22, 2015 · The top query uses a "pairwise comparison subquery" (source: 2007 Oracle SQL class slides). AND should be used to apply filter in different columns. if seems like you just want to format the date. I've read that when using a CASE statement within a WHERE clause you have to surround the statement with parenthesis and assign it to a numeric value, e. . 3. criterion_2 = value) then (1) (else 0) end) = 1; In oracle, you can use below Query also. COLUMN4) THEN 1 ELSE 0 END) AS COLUMN8 FROM TOTAL1 A FULL OUTER JOIN TOTAL2 D ON A. I have written the following query and in this condition i can't use in clasue. l_status = 'n' Feb 21, 2016 · When I see an in with two columns, I can imagine it to mean two things: The value of column a and column b appear in the other table independently; The values of column a and column b appear in the other table together on the same row; Scenario 1 is fairly trivial, simply use two IN statements. The CASE expression evaluates a list of conditions and returns one of the multiple possible results. Using if condition in the Select statement. Here is a list of what you can use with OR but that are not compatible with IN: greater, greater or equal, less, less or equal, LIKE and some more like the oracle REGEXP_LIKE. column1='1' THEN B. D) Selecting rows that have a value between two values. Oct 20, 2017 · SELECT CASE WHEN A. A subquery is a query nested within another query, you will learn about the subquery in the subquery tutorial. Value Match (Simple) CASE Statement. COMPARE_TYPE WHEN 'A' THEN T1. Jun 16, 2011 · If each case only allows one column, then you probably need two cases: select col1,col2, case when col3='E01089001' then (select 1 from dual) else (select 2 from dual) end, case when col3='E01089001' then (select 3 from dual) else (select 4 from dual) end from Table1 where col1='A0529'; Nov 12, 2009 · A CASE statement cannot return more than one value, it is a function working on one value. If you want to see the grade for each exam, select the case expression like a regular column: It’s a good idea to give the expression an alias. The update includes a join to find the name and the output is evaluated in a CASE statement that supports the name being found or not found. Nov 12, 2009 · I want to return multiple values from a query in oracle. One of the multiple ways of writing this would be: Sep 11, 2018 · ALTER FUNCTION [GetLetterGrade] ( @avg decimal , @isCommented bit ) RETURNS Char(50) AS BEGIN return case WHEN @isCommented = 0 THEN CASE when @avg between 97 And 100 THEN '01' when @avg Between 93 And 97 THEN '02' when @avg Between 90 And 93 THEN '03' when @avg Between 87 And 90 THEN '04' when @avg Between 83 And 87 THEN '05' . Apr 1, 2019 · Case Statement with Order by clause. try this query to see for yourself. I do the same for the business_unit column with a second CASE statement. The CASE statements supported by PL/SQL are very similar to the CASE expressions. It produces a value. with tmp as ( select 'Oracle' as field_name , 1 as data from dual union all select 'Oracle' as field_name , null as data from dual union all select NULL as field_name , null as data from dual union all select 'Test' as field_name , null as data from dual ) Select * from tmp Where 1 = case when field_name = 'Oracle' and data is null then 0 else 1 end Aug 13, 2021 · In the above example, we used searched case statement in the HAVING clause to get only the total salary of more than 10000 when departments are in (70,50). clientId=100 LEFT JOIN D ON A. This example below assumes you want to de-normalize a table by including a lookup value (in this case storing a users name in the table). Aug 7, 2022 · THEN pairs meet this condition, and an ELSE clause exists, then Oracle returns else_expr. customer_id = pcustomer_id. SELECT * FROM TableName WHERE ORDER BY CASE @OrderByColumn WHEN 1 THEN Forename END DESC, CASE @OrderByColumn WHEN 2 THEN Surname END ASC Mar 24, 2011 · the SQL statement is not written correct. The simple CASE statement has the following structure: Jul 17, 2016 · Making statements based on opinion; sql like clause with many values. The way it works is - Once it finds the first non-null value it stops looking and substitutes in that non-null value. Case statement for null Records. – juergen d Commented Nov 14, 2012 at 19:35 You can also write this without the case statement. Aug 3, 2010 · Is there a syntax something like: Case When A=1 Then B := 2 and C := 3 When A=2 Then B := 4 and C := 5 Else B := 6 and C := 7 End Case; where the then clause can have multiple assignments? Mar 9, 2012 · Check for multiple values within CASE statement. Oracle CASE expression allows you to add if-else logic to SQL statements without having to call a procedure. ColumnName != null which always evaluates to NULL. COLUMN4 = D. Apr 28, 2016 · CASE is an expression, not a statement. If none of the WHEN THEN pairs meet this condition, and an ELSE clause exists, then Oracle returns else_expr. I want to use as: when pcustomer_id IS NULL then WHERE c. Suppose in a further example; we want to sort result in the following method. Thank you! Jun 26, 2014 · What I want is to display multiple records using where clause or any other way so that I can get following data. For Automatic mode - all the paramete Mar 10, 2016 · Functions destroy performance. Usually you pass a column as argument and it will return the first NOT NULL column value. Oracle Database 23c extended CASE expressions in PL Example. Thanks! – Feb 12, 2014 · You can apply the logic you are attempting, but it is done without the CASE. * ,(CASE WHEN (A. If no condition is found to be true, and an ELSE clause exists, then Oracle returns else_expr. ) There is no true or false SQL keyword, for sure, but 'a' = 'a' evaluates to a boolean value, without the use of Y/N or 0/1. CASE in a SELECT Oct 2, 2018 · (1) you can't use a case statement anywhere in a sql query; (2) you can use a case expression anywhere in a sql query where an expression is allowed, including the select and where clauses. In MSSQL 2008 or later you can use the "values" virtual table constructor Oracle create table using with clause Subtracting from multiple CASE statements. Create Procedure( aSRCHLOGI Aug 1, 2017 · I have a WHERE clause that I want to use a CASE expression in. select sal, case And I googled it reading this When more than one logical operator is used in a statement, NOT is evaluated first, then AND, and finally OR. Nesting Multiple CASE WHEN statements allows for intricate conditional logic. e. Else this statement will fail because NULL will match '' (empty string). The first part of the code looking for duplicate ID is where I am stuck, I am trying to check if column ID from TABLE_RECORDS has duplicate values. For example, if the grade is A+ and student_id is 1001 , or if the grade is A and student_id is 2009 , it returns 1 (included), otherwise, it returns 0 (excluded). Aug 23, 2024 · 4. Your not actually comparing the end date to anything which is where you're missing something (it is expecting there result of your case statement to be compared to something) Sep 24, 2013 · SELECT SUM(CP) AS CPTotal, SUM(CASE WHEN Code = 'P' THEN CP ELSE 0 END) AS CPProd, SUM(CASE WHEN Code = 'S' THEN CP ELSE 0 END) AS CPSupp FROM tasks; The ELSE portion is not needed as NULL results when a value does not match any criteria in a CASE statement, and NULL is ignored on aggregation, but some prefer to include it. ORDERDELIVERY is just a ~temporary table containing ORDER_IDs related to the parameter p_DrumNo. I then nee Oct 30, 2017 · Here is the query that you can use. Simple PL/SQL CASE statement. It isn't really shown in the doc for SELECT (at least I can't find it now. Jun 30, 2016 · Something isn't right in this Your using the case in the where clause but I don't think that's where you want it. Nov 25, 2021 · Hi, Dieter Glad that the (+) syntax is helpful for you. I know that l_status stores only 1 value. E. This (and the slightly different syntax) is what Alex demonstrates in this Answer. This value is compared to the when_value expression in each WHEN clause until one of them is equal Feb 6, 2012 · In Oracle, Boolean expressions can't be treated like other types of expressions; for example, CASE expressions can't evaluate to them. Date = ScoresTable. Oct 7, 2008 · /** * Converts a SQL statement containing exactly one IN clause to an IN clause * using multiple comma-delimited parameters. But I want something like l_status = 'n','s' I am using this case statement in the where condition. A quick example would be something like: Otherwise, Oracle returns null. Same execution time. Nesting Multiple CASE WHEN Statements. SELECT 'X' Operation, --Another CASE here if needed ,* FROM TableA WHERE Number like '20%'; Jun 19, 2010 · The OR operator needs a much more complex evaluation process than the IN construct because it allows many conditions, not only equals like IN. This is what you wanted to write, I think: Oct 24, 2016 · A CASE expression can use more than one column in its logic, e. No, Oracle can't use boolean expressions as results from functions. EmployeeId, Employee. SOME_TYPE LIKE 'NOTHING%' ELSE T1. SOME_TYPE NOT LIKE 'NOTHING%' END I know that my WHERE is clause is not correct. Case will not conditionally chose the evaluated code. SELECT name, CASE WHEN table1. Jan 14, 2016 · Oracle tries to filter the number of records to be scanned from table by going for the where clause first before select that is why your query fails. (It is a "nested" query - this is very non-technical term though) The inner query takes values from the outer-query (WHERE st. But you could use a common-table-expression(cte): with cte as ( Select IsNameInList1 = case when name in ('A', 'B') then 1 else 0 end, IsNameInList2 = case when name in ('C', 'D') then 1 else 0 end, t. Borrowing your example var l varchar2(4); exec :l := '551F'; with rws as ( select '551C' assembly_line from dual union all select '551S' assembly_line from dual union all select '551F' assembly_line from dual union all select '1234' assembly_line from dual ) select * from rws where case when :l Mar 28, 2017 · The problem with the case (as you have written it) is that Oracle does not treat the value from a logical expression as a valid value. column1 END FROM A LEFT JOIN B ON A. Use table aliases that are abbreviations for the table names. SELECT table_name, CASE owner WHEN 'SYS' THEN 'The owner is SYS' WHEN 'SYSTEM' THEN 'The owner is SYSTEM' ELSE 'The owner is another value' END FROM all_tables; The CASE statement has two types: simple CASE statement and searched CASE statement. COURSE_SCHEDULED_ID WHEN IS NULL THEN which will throw "ORA-00936: missing expression" because IS NULL is a condition, not a value or expression. you can do it differently like this : Oct 7, 2015 · Ok based on the fiddle you have given i have tried these and it worked for me. An expression returns a single value. Alright, you don't need a CASE expression for the Number column. COLUMN1 = D. Here’s what this looks like for two conditions: WHERE condition1 AND condition2 In our example, condition1 is dept = 'Finance' and condition2 is salary > 4000. Can You Use An SQL CASE Statement In WHERE Clause? Yes, you can use an SQL CASE in a WHERE clause. Otherwise, I am saying return all data i. column1='2' AND A To filter data by multiple conditions in a WHERE clause, use the AND operator to connect the conditions. Please suggest. Oracle: Using Case Statement in Where Clause. If you want to practice using CASE statement, I recommend our interactive course Creating Basic SQL Reports. (edit) You could also consider:. Jul 11, 2016 · In Oracle string literals need to be surrounded in single quotes. The following examples will make the use of CASE expression more clear, using Oracle CASE select statements. I'm trying to do it this way: SELECT A. For Automatic mode - all the paramete Jan 4, 2018 · I am trying to check for duplicate values as one of several checks in a case when statement. Instead, you need to create logical groupings of OR/AND to combine the BETWEEN with the other matching condition from your case. SELECT WORK_ORDER_NUMBER, SUM(CASE WHEN STOCK_CODE LIKE 'xxxx' THEN STOCK_QUANTITY ELSE 0 END) AS TOTAL FROM Table GROUP BY WORK_ORDER_NUMBER; Feb 19, 2015 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. A IN (1,2,3) THEN 1 WHEN T. To be honest, I can't recall if I found it in the docs or what. The Oracle case expression is one place in Oracle SQL where Boolean values are used (as conditions, not results), similar to where clause conditions. Also, it's not clear what you're trying to do here since you seem to have a predicate in the THEN clauses, and that's not valid within the select clause. The CASE expression must return a value, and you are returning a string containing SQL (which is technically a value but of a wrong type). * from table ) select userid , case when IsNameInList1=1 then 'Apple' when IsNameInList2=1 then 'Pear' end as snack , case when IsNameInList1=1 then 'Milk' when Dec 2, 2011 · I would like to return multiple values in my case statement, such as : SELECT CASE WHEN <condition 1> THEN < In a SQL CASE clause, Jun 26, 2023 · You can combine multiple conditions with a nested CASE statement in the WHERE clause. 1. field value but a hardcoded value that is compared to perhaps a user selection or status (as examples) it might be a static value passed in via the application which is how my web application Following on from my earlier question here Case statement for Order By clause with Desc/Asc sort I have a statement like this:. [desc] = 'string3' THEN 'String 3' WHEN codes. The second value val2 is a column. In addition: Don't use commas in the from clause. COLUMN4 I want use separate columns in WHERE clause based on the INPUT received in the stored procedure. However, if you’re reaching the limit of 255 expressions, I would be looking at the efficiency of the query itself, as most queries should not need 255 expressions. Id AND B. The syntax of the Oracle IN operator that determines whether an expression matches a list of values is as Jul 14, 2018 · Following oracle query complies and works fine: SELECT Employee. My objective is to be able to query the entire table and export a list that has been filtered by items in the Filter table. In these cases you probably want to make use of the NVL-Funktion to map NULL to a special value (that should not be in the values): select * from tab1 where (col1, NVL(col2, '---') in (select col1, NVL(col2, '---') from tab2) oracle sql Oct 20, 2016 · It is not an assignment but a relational operator. ex: select * from table WHERE 1 = CASE WHEN channel = 1 AND REGEXP_LIKE Nov 20, 2015 · Both solutions works well. However, dynamic SQL seems like overkill in this case. Jun 7, 2016 · Rather than putting the data in a case statement where you might have to repeat that case statement in more than one query, you could create a table with static data, then joint to that table. Mar 3, 2021 · I am using the case statement in the cursor WHERE condition something like the below:---example select case when (l_eno is null and l_ename is null) then l_status = 'new' (l_eno is not null and l_ename is not null) then l_status = 'new' , 'sent' end from dual; I want to return l_status = 'new' , 'sent' i. Both types of CASE statements support an optional ELSE clause. Name Number ABC 123 PQR 127 PQR 130 I tried using AND && , in where clause. Most results I find are about how to make an Alias based on a case statement which isn't the same problem. Aug 7, 2014 · You can also use case statement in where clause as below: select * from mytable mt where (case when (bool_value = true and mt. Jan 16, 2019 · I actually have multiple CASE WHEN statements but yeah using Number as a filter condition also works and simple. status. select * from cardimport where STATUS = CASE WHEN STATUS = '' THEN 'F' ELSE STATUS END Sep 8, 2016 · I have a table that has multiple rows with the following fields: PersonName SongName Status I want to use names selected from a multiple selection listbox, which I can retrieve the values, and then do a where clause so it shows the song names that the selected people can all play, therefore status is complete. ELSE 'No Match'. This is a correlated sub-query. but nothing works. – Mar 14, 2013 · The CASE statement evaluates multiple conditions to produce a single value. This is not permitted when the subquery follows =, !=, <, <=, >, >= or when the subquery is used as an expression" Sep 22, 2011 · The goal with this WHERE clause is to filter the result set on p_DrumNo if it´s passed in to the Stored Procedure. Feb 1, 2018 · The FETCH FIRST clause is available only as of Oracle 12c, though. 2. FILENAME in (case when 1 = 1 then (select distinct filename from tablename where asofdate='10-nov-2009' and isin is null) else null end); In a simple CASE expression, Oracle Database searches for the first WHEN THEN pair for which expr is equal to comparison_expr and returns return_expr. I don't want to write a Dynamic SQL. COLUMN3 = 1) AND (DISTINCT A. Apr 28, 2019 · I'm trying to create a CASE STATEMENT in SQL (Oracle) where I need to select only single rows in addition to other criteria. For example: May 16, 2017 · Never forget that in Oracle SQL the '' literal (empty string) is the same as NULL, hence your predicate e. Some databases do, but not Oracle. A simple CASE statement evaluates a single expression and compares the result with some values. Problematic sample query is as follows: select c Oct 20, 2016 · You can also go the other way and push both conditionals into the where part of the case statement. The PL/SQL CASE statements are essentially an Mar 3, 2021 · How to return multiple values for THEN clause in an SQL CASE expression Hi Tom,The question which i am asking might look very simple but for the past 2 days I have been trying for a solution and checking in multiple forums but couldn't get any clue. Oracle Database uses short-circuit Jun 8, 2016 · My query has a CASE statement within the WHERE clause that takes a parameter, and then executing a condition based on the value entered. in Filter, I have ID and code. 'Subquery returned more than 1 value. How to Return Multiple Values from CASE clause in Where Condition. If TYPE_DEFINITION = 'SUP' then use SUPPLIER column . Learn more about Aug 4, 2024 · In this query, we use the CHOOSE(CASE-END, 1, 0, 0, 0) function to select the second argument 1 when the CASE statement returns 1. The CASE statement can be used in Oracle/PLSQL. How can I do it? Apr 3, 2019 · Case statement in where clause with "not equal" condition. However, you can achive this in your WHERE clause without using a CASE statement: WHERE (desc1 = 'desc1' AND status_code IN (240,242)) OR (desc1 = 'desc2' AND status_code IN (240,245)) Oct 9, 2013 · I believe you can use a case statement in a where clause, here is how I do it: Select ProductID OrderNo, OrderType, OrderLineNo From Order_Detail Where ProductID in ( Select Case when (@Varibale1 != '') then (Select ProductID from Product P Where . multiple values to oracle case statement then. You select only the records where the case statement results in a 1. Oracle DB : Like with multiple values. alter session set NLS_COMP=ANSI; alter session set NLS_SORT=BINARY_CI; Oct 16, 2008 · Case Statement in SQL Server Example Syntax CASE MySQL - select specific columns based on another column value with where clause included. 2) Keep my CASE statement with your SELECT 1 FROM JOBS J WHERE J. In a searched CASE expression, Oracle searches from left to right until it finds an occurrence of condition that is true, and then returns return_expr. It is not required for your statement, this statement should work: select count(*) from tablename a where asofdate='10-nov-2009' and a. Basically we generate our SQL statements and execute multiple statements if the in-clause exceeds a certain size. ftsrcjh ppcv tioxl koo bvn tnrpnn lznvh exulot kwtfpe gmqr