Oracle case end

Reporting and Data Access Tools Oracle Business Intelligence (OBIEE/Siebel Analytics). CASE WHEN Boolean_expression THEN result_expression [. You can enter it on every place where you create a logical sql as the formula in. The case when statement returns then NULL.

Comment requêter une base Oracle pour afficher le nom de toutes ses . In any case when migrating, if possible, just remove the FROM . It makes sense to use CASE when there are three or more alternatives to choose from. However, if you omit the ELSE clause, PL/ SQL adds the following implicit ELSE clause:. Ways to Update Data with a Subquery in Oracle SQL.

Regarding your post SQL : If Exists Update Else Insert with the alternative method. In most cases the Oracle cost-based optimizer will create The SQL EXISTS . This was the logic I was using (in ORACLE SQL ) to pull everyone over 18: CREATE .