Primary Key and Foreign Key in MySQL By piya July 14, 2014 Primary Key: Primary Key is something which will uniquely identifies each record in a database table. Read more
Advantages of PL/SQL By piya July 04, 2014 These are the advantages of PL/SQL. * Block Structures: PL SQL consists of blocks of code, which can be nested within each other. Each block forms a unit of a task or a logical module. PL/SQL Blocks can be stored in the database and reused. Read more