What is SQL? - SQL Introduction

SQL
SQL stands for Structured Query Language
SQL lets you access and manipulate databases
SQL is an ANSI (American National Standards Institute) standard
What can SQL do?
 SQL can execute queries against a database
 SQL can retrieve data from a database
 SQL can insert records in a database
 SQL can update records in a database
 SQL can delete records from a database
 SQL can create new databases
 SQL can create new tables in a database
 SQL can create stored procedures in a database
 SQL can create views in a database
 SQL can set permissions on tables, procedures, and views
SQL Commands:                                                    
  •  Data Definition Langaue(DDL)
  •  Data Manipulation Language(DML)
  •  Transaction Contrl Language(TCL)