SQL
,• SQL stands for Structured Query Language. It is used for storing and manag
data in relational database management system (RDMS).
• It is a standard language for Relational Database System. It enables a user t
create, read, update and delete relational databases and tables.
• All the RDBMS like MySQL, Informix, Oracle, MS Access and SQL Server use
as their standard database language.
• SQL allows users to query the database in a number of ways, using English-
statements.
, Rules:
• SQL follows the following rules:
• Structure query language is not case sensitive. Generally, keywords of SQL a
written in uppercase.
• Statements of SQL are dependent on text lines. We can use a single SQL
statement on one or multiple text line.
• Using the SQL statements, you can perform most of the actions in a databa
• SQL depends on tuple relational calculus and relational algebra.
,• SQL stands for Structured Query Language. It is used for storing and manag
data in relational database management system (RDMS).
• It is a standard language for Relational Database System. It enables a user t
create, read, update and delete relational databases and tables.
• All the RDBMS like MySQL, Informix, Oracle, MS Access and SQL Server use
as their standard database language.
• SQL allows users to query the database in a number of ways, using English-
statements.
, Rules:
• SQL follows the following rules:
• Structure query language is not case sensitive. Generally, keywords of SQL a
written in uppercase.
• Statements of SQL are dependent on text lines. We can use a single SQL
statement on one or multiple text line.
• Using the SQL statements, you can perform most of the actions in a databa
• SQL depends on tuple relational calculus and relational algebra.
