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  • Oracle SQL - CASE in a WHERE clause - Database Administrators Stack . . .
    sql> ed wrote file afiedt buf 1 with t1 as 2 ( 3 select 1 as seq, 'nothing 1' as some_type from dual union all 4 select 2 as seq, 'nothing 2' as some_type from dual union all 5 select 3 as seq, 'something 1' as some_type from dual union all 6 select 4 as seq, 'something 2' as some_type from dual union all 7 select 5 as seq, 'something 3' as
  • oracle - Using Same CASE WHEN Conditions For Multiple Query Columns . . .
    Even in Oracle (and in fact in the SQL standard), CASE is an expression that returns a single value It is not used for control of flow like it is in some other languages Therefore, it can't be used to conditionally decide among multiple columns or other operations
  • oracle - Case statement in update statement - Database Administrators . . .
    A CASE expression can only return a value, not a fragment of a query In order to parametrise which column should receive the value passed as an argument, you could try this approach: UPDATE PERSON SET FIRST_NAME = CASE WHEN TARGET_COL = 2 THEN FIRST_NAME ELSE UPDATED_VALUE END, LAST_NAME = CASE WHEN TARGET_COL = 2 THEN UPDATED_VALUE ELSE LAST
  • oracle - Compare 2 dates using a CASE in WHERE - Database . . .
    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 if seems like you just want to format the date 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)
  • ORACLE - Trying to return MAX or MIN based on a CASE statement
    Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
  • oracle - How do I use the result of a CASE statement in a WHERE clause . . .
    As well as Balázs' solution, you can also do nifty stuff with CTEs (Common Table Expressions - aka WITH clause) Take a look at what I've done below and you should be able to adapt it You can use the result of your SQL in any way you please This code works on PostgreSQL (no running Oracle instance), but it should work on Oracle
  • How to write case when in where statement in Oracle
    the oralce is able to output the value of condition in CASE WHEN statement,like below: <i>SELECT count(*) FROM userTable WHERE ( CASE WHEN MAC = '000fe95erd32' THEN 1 WHEN MAC IS NULL THEN 1 ELSE 0 END)=1 <i > –
  • Oracle - Clause where in case when - Database Administrators Stack Exchange
    SELECT * FROM tabela WHERE 'OK' = CASE WHEN 1 = :parametro and coluna = 1 then 'OK' WHEN 0 = :parametro and coluna in (2, 3) THEN 'OK' END Share Improve this answer
  • How do I select data with a case statement and group by?
    select stops, count(*) Total from ( select CASE when Stops in ('1Stop', '1 Stop', '1 stop') then '1-Stop' ELSE Stops END as Stops from yourtable ) d group by stops; See SQL Fiddle with Demo Or if you don't want to use a subquery, then you could repeat the CASE expression in the GROUP BY:





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