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3 kwi 2013 · I have a query which includes fields named openingbalance and commissions. I would like to compute values for commissions based on openingbalance, similar to this Select Case block in Access VBA: Select Case OpeningBalance. Case 0 To 5000. commission = 20. Case 5001 To 10000. commission = 30. Case 10001 To 20000. commission = 40.
14 sty 2016 · You could use a predicate on department with a nested query, e.g. SELECT * FROM (SELECT ename, job, CASE ... END AS department FROM emp) WHERE department = 'SALES'). –
7 gru 2023 · How to use CASE for IF-THEN logic in SQL SELECT. 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. This is particularly important if the case is in a subquery.
7 maj 2017 · The simple way to achieve this goal is to add a CASE expression to your SELECT statement. In this article, we'll introduce you to the syntax, formats, and uses of the CASE expression. The CASE expression is a conditional expression: it evaluates data and returns a result.
2 cze 2023 · You can use the SELECT with the CASE and all its clauses as a subquery, then in the outer query use the GROUP BY. A simple example: SELECT columns, prod FROM ( SELECT columms, CASE your_case_criteria AS prod FROM table WHERE criteria ) GROUP BY prod;
20 paź 2017 · You can get a nearly identical runtime and query plan by writing the query like this: SELECT (case A.column1 when '1' then (select value from B where B.clientId=100 and '1'=B.Id) when '2' then (select value from C where C.clientId=100 and '2'=C.Id) when '3' then (select value from D where D.clientId=100 and '3'=D.Id) -- omitted other columns ...
15 mar 2021 · You can use a SCALAR SUBQUERY - a query that returns zero or one rows with exactly one column. So this will work: 1* select case when dummy = 'X' then (select count(*) from all_users) else (select count(*) from dual) end cnt from dual ops$tkyte%ORA10GR2> / CNT ----- 46
