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Use the CREATE INDEX statement to create a non-clustered index to enhance the query speed.
SQL CREATE INDEX Statement. The CREATE INDEX statement is used to create indexes in tables. Indexes are used to retrieve data from the database more quickly than otherwise. The users cannot see the indexes, they are just used to speed up searches/queries.
Key scenario: Starting with SQL Server 2016 (13.x) and SQL Database, you can use a nonclustered index on a columnstore index to improve data warehousing query performance. For more information, see Columnstore Indexes - Data Warehouse. For additional types of indexes, see: CREATE XML INDEX. CREATE SPATIAL INDEX. CREATE COLUMNSTORE INDEX.
You will learn how to use SQL Server CREATE INDEX Syntax, SQL Server CREATE INDEX on table and view. Cluster Index and Non-Cluster Index.
The syntax for creating an index in SQL is as follows: CREATE INDEX index_name ON table_name (column_name); The CREATE INDEX statement creates a new index with the name index_name on the table table_name.
SQL indexing and tuning tutorial for developers. No unnecessary database details—just what developers need to know. Covers all major SQL databases.
In SQL, the INDEX constraint in a column makes it faster to retrieve data when querying that column. In this tutorial, you will learn about the SQL CREATE INDEX statement with the help of examples.
