Computed Columns In SQL
SQL Server

A computed column is computed from an associate expression that may use alternative columns within the same table. The expression may be a non-computed column name, constant, function, and any combination of those connected by one or a lot of operators however the subquery can’t be used for the computed column.

How To Use Triggers In SQL
SQL Server

In this article, we are going to learn how to use Trigger in SQL.
A Trigger is a piece of procedural code, like a stored procedure or stored program that executes automatically whenever an event such as Insert, Update and Delete occurs against a table.

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