What are various MySQL commands?

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MySQL Commands SELECT — extracts data from a database. . UPDATE — updates data in a database. . DELETE — deletes data from a database. . INSERT INTO — inserts new data into a database. . CREATE DATABASE — creates a new database. . ALTER DATABASE — modifies a database. . CREATE TABLE — creates a new table. . ALTER TABLE — modifies a table.

What are the 5 types of SQL commands?

Types of SQL CommandsDDL (Data Definition Language)DML (Data Manipulation Language)DQL (Data Query Language)DCL (Data Control Language)Data administration commands.Transactional control commands.

What are the 4 SQL commands?

The main types of commands present in SQL are:Data Definition Language (DDL)Data Manipulation Language (DML)Data Control Language (DCL)Transaction Control Language (TCL)Data Query Language (DQL)

How are MySQL commands classified?

The 4 categories of SQL commandsDDL (Data Definition Language)DML (Data Manipulation Language)TCL (Transaction Control Language)DCL (Data Control Language)

What are MySQL commands in PHP?

FunctionDescriptionPHPmysql_pconnect()Opens a persistent MySQL connection3mysql_ping()Pings a server connection or reconnects if there is no connection4mysql_query()Executes a query on a MySQL database3mysql_real_escape_string()Escapes a string for use in SQL statements4

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