How to insert an index?

Sql, Index

The CREATE INDEX statement is used to create indexes in tables.

A SQL index is used to very quickly pull data from a database. Indexing a table or view is without a doubt one of the best ways to improve query and application performance.

SQL index is a quick look-up table for finding records that users need to search frequently. An index is small, fast, and optimized for quick searches. It is very useful for joining relational tables and performing search operations in large tables.

We start off with the keywords CREATE UNIQUE INDEX, then give in the name of the index, after that we will give the ON keyword and follow it up with the name of the table. Finally in parenthesis, we will give the list of the columns which on which we would want this unique index.