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SQL UPDATE command is a must have command while dealing with large data set. If by chance, any values in the table are inserted incorrectly, UPDATE . You would need to write separate INSERT, UPDATE and DELETE. Beginning with SQL Server 200 you can use MERGE command to . The columns name in the table called Inv_DT are: . Executes a SQL update with the given properties. Document keys will be used as the column update, and their values will be used as the updated column value.

The SQL UPDATE statement is used to update records in a table. In this post, we see the syntax of SQL Update query with an example. There are instances when data on a record should be modified.

SQL provides update statements for this purpose. Below are examples on how . Alter and update , both are two modifying commands of SQL that differ on the basis of how they work. Update : * It is a DML (Data Manipulation Language) .