What is the method of creating a composite index in MySQL?

In MySQL, you can use the CREATE INDEX statement to create a composite index. This type of index is also known as a compound index or composite index, and it involves multiple columns as part of the index.

Here is the syntax for creating a composite index:

Establish an index named index_name on table_name with columns column1, column2, etc.

In which index_name is the name of the index, table_name is the name of the table to create the index, column1, column2, and so on are the names of the columns to include in the composite index. The order of the columns is crucial because the effectiveness of a composite index depends on the order of the columns.

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Create an index named idx_name on the users table, specifically on the last_name and first_name columns.

This will create a composite index named “idx_name” on the last_name and first_name columns of a table called “users”.