We create index in a table to find data data fast and efficiently. it allows the database to find data without reading all the records of the table. when we apply search and queries to table indexare ...

The best way to improve the performance of SELECT operations is to create indexes on one or more of the columns that are tested in the query. But unnecessary indexes waste space and waste time for ...

Course over mysql basics and information for building schemas, creating indexes, and optimizing queries. - R-Rayburn/mysql-for-developers-course ...