mysql how to create index

Query OK 1 row affected 001 sec mysql. Mysql CREATE DATABASE mytest.

Mysql Cheat Sheet By Example Sql Cheat Sheet Computer Programming Cheat Sheets

The new table gets the same column definitions.

. The above program illustrates the creation of MySQL database geeks4geeks in which host-name is localhost the username is user and password is gfg. Lets suppose we want to create a table in the database then we need to connect to a database. Create and switch to a new database by entering the following command. Support for these statements is not required by the SQL.

Because there are no tables in a database when it is initially created the CREATE DATABASE statement creates only a directory under the MySQL data directory and the dbopt file. MySQL permits routines to contain DDL statements such as CREATE and DROP. MySQL also permits stored procedures but not stored functions to contain SQL transaction statements such as COMMIT. If you create a new table using an existing table the new table will be filled with the existing values from the old table.

Below is a program to create a table in the geeks4geeks database which was created in the above program. Mysql -u username -p. A copy of an existing table can also be created using CREATE TABLE. All columns or specific columns can be selected.

MySQL Create Index in New Table. To create an index at the same time the table is created in MySQL. Create Table Using Another Table. Open a terminal window and log into the MySQL shell.

Stored functions may not contain statements that perform explicit or implicit commit or rollback. A database in MySQL is implemented as a directory containing files that correspond to tables in the database.

How To Create The Index In Mysql Mysql Interview Questions Best Interview Questions