After a table has been created in a database, we find that it is advantageous to add an index to that table to speed up queries involving this table . To do this in SQL, we specify that we want to change the table structure via the ALTER TABLE command, followed by the ADD INDEX command to tell the RDBMS that we want to add an index .so in this article we are going to discuss how Add Index used in Laravel . Laravel schema builder supports several types of indexes