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Knowing that esql Sales Person was originally populated by information from Sales we use knowledge to set up a query that pumps data from v Sales Person into esql Sales Person.

This is possible since the sales person’s full name is common to both tables.

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The UPDATE statement is used to change data within columns of a SQL Server data table.

In this article we’ll explore how to use the UPDATE statement.

This “all or nothing” behavior can be modified for arithmetic errors. Will generate an error if SET ARITHABORT is set to ON.

In this case the inserted is stopped, no rows are updated and an error thrown.

An exclusive (X) lock is always placed on a table when an update is run.

The lock is held in place until the update statement completes.Though an update statement can modify columns data from many sources, such as literal values or other query results, the basic format is the same.There are three components to an UPDATE statement: We’re now going to do some sample updates, so if you haven’t done so already, run the script to create the esql Sales Person table.To update the rows to reflect this we could use this UPDATE statement: Which results in the following row modifications: The UPDATE statement is complex and there are many elements to consider. For a full list check out the UPDATE (Transact-SQL) article.Keep in mind that when updating data in columns whose data type is CHAR, VARCHAR, or VARBINARY, the padding or truncation of data depends upon the SET ANSI_PADDING setting.You can run the following to do so and then verify all cities are NULL. You can easily adjust the values using the following statement: However, suppose the sales department want a record of all changes.