Index a database column sql
CREATE INDEX [index name] ON [table name] ( [column name] )Index a database column sql
CREATE INDEX [index name] ON [table name] ( [column name] )sql indexes
CREATE INDEX
Creates an index named ‘idx_test’ on the first_name and surname columns of
the users table. In this instance, duplicate values are allowed.
CREATE INDEX idx_test
ON users (first_name, surname);
CREATE UNIQUE INDEX
Creates an index named ‘idx_test’ on the first_name and surname columns of
the users table. In this instance, duplicate values are allowed.
CREATE UNIQUE INDEX idx_test
ON users (first_name, surname);
DROP INDEX
Creates an index named ‘idx_test’ on the first_name and surname columns of
the users table. In this instance, duplicate values are allowed.
ALTER TABLE users
DROP INDEX idx_test;what is indexing in a database
It is a data structure technique which is used to quickly locate and access the data in a database.Copyright © 2021 Codeinu
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