Case When Kullanımı Oracle. Oracle sql case in a where clause. Whereas distinct number of cases in variable y is equal to 2.

You can rewrite with nested case expressions. Whereas distinct number of cases in variable y is equal to 2. Now the problem is that the column name in the max sentence is not working.
Whereas distinct number of cases in variable y is equal to 2.
A case expression is mostly used in sql stored procedures or as a formula for a particular column which optimizes the sql statements. Select orderid quantity case when quantity. The following sql goes through several conditions and returns a value when the specified condition is met. Introduction to oracle case expression.