Technical documentation for Microsoft SQL Server, tools such as SQL Server Management Studio (SSMS) , SQL Server Data Tools (SSDT) etc. - MicrosoftDocs/sql-docs ...

The statement ALTER TABLE .. ADD INDEX can be used to add an index on the table t1. EXPLAIN confirms that the original query now uses an index range scan, which is more efficient: { {< copyable "sql" ...

The SQL ALTER statement can be used to make many types of changes to databases. However, other types of changes may require additional steps to implement. It is the DBA’s job to understand the best ...

The first form of the CREATE TABLE statement creates tables that automatically map SQL data types to those supported by the SAS System. Use this form when you want to create a new table with columns ...