SQL Introduction

INTRODUCTION

IBM first developed SQL in 1970s. Also it is an ANSI (American National Standards Institute) standard and it is a query language.

WHAT IS SQL

The full meaning of SQL is Structured Query Language.It is a standard language for accessing and manipulating databases or it is used for modifying and accessing information in one or more data tables and rows of a database.

WHAT CAN SQL DO

• SQL can create new tables in a database.
• SQL can insert records in a database.
• SQL can delete records from a database.
• SQL can update records in a database.
• SQL can create views in a database.
• SQL can set permissions on tables, procedures, and views.
• Using SQL we can create an apps.