Hi all,some time we need to update value in a table in some pattern or increment order. then we use loop and iterate with all record, but as know looping is take time and our application become slower ...

Because sometimes we need to overwrite a primary or any other unique key column value. This should not be easy, because there could be a lot of reference to this value from other tables. The F_CASCADE ...

Modifies a column's values in existing rows of a table or view. Restriction: You cannot use UPDATE on a table accessed via an engine that does not support UPDATE processing. You can update one or more ...

In SQL we support non-standard clause called ON CONFLICT / OR. It is not a separate clause which can appear in INSERT/UPDATE statements or as a column option in CREATE TABLE statements. See examples ...