|Structured Query Language (SQL) :SQL_Intro1.htm|
|DDL : Data Definition Language (DDL) refers to the command types ,
which are used to define the database structure or schema. Some
|DML :Data Manipulation Language refers to
the command type, which are are used for managing data within schema
objects. Some examples:
|DCL : Data Control Language (DCL) statements. Some
GRANT - gives user's access privileges to database
REVOKE - withdraw access privileges given with the GRANT command
|TCL : Transaction Control (TCL) statements are used to manage the
changes made by DML statements. It allows statements to be grouped
together into logical transactions.
Below is a display of using PHP as an interface middle ware, to create a logical statement embedded in a HTML element.