Update Query İn SQL

sql-update

How to UPDATE from a SELECT statement in SQL Server

In this article, we will learn different strategies that are utilized to update the data in a table with the data of other tables. The “UPDATE from SELECT” query structure is the primary strategy for performing these updates.

An UPDATE query is utilized to change a current row or rows in the database. UPDATE queries can change all tables rows, or we can limit the update explanation influences for the certain rows with the assistance of the WHERE statement. Generally, we utilize consistent values to change the data, for example, the accompanying structures.

The full update proclamation is utilized to change the entire table data with a similar worth.

The conditional update statement is used to change the data that satisfies the WHERE condition.