IN and NOT IN subqueries are frequently used in Oracle. Jonathan Lewis explains how the optimizer handles NULL with IN and NOT IN.
The post The effects of NULL with NOT IN on Oracle transformations appeared first on SQLServerCentral.
IN and NOT IN subqueries are frequently used in Oracle. Jonathan Lewis explains how the optimizer handles NULL with IN and NOT IN.
The post The effects of NULL with NOT IN on Oracle transformations appeared first on SQLServerCentral.