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Fundamental of SQL

SQL stands for Structured Query Language it is basically used in Oracle Database. It is an advanced version of relational database management System and it is based on object relational database management system.

It provides small and simple commands which help us to save time and reduce the effort of programming to perform complex queries. Two types of SQL are used in Database

  1. Interactive SQL
  2. Embedded SQL

In Interactive SQL we just enter a command; it is executed and get the output.

In Embedded SQL it consists of SQL commands put in another programming language such as FORTRAN, PASCAL, COBOL and C. It can make this program powerful and efficient.


Difference between SQL and Programming Language


It is non-procedural language It is procedural language
It is a set of commands It is sequence of operation one after the another.
In SQL it is simply tell what you want. In PL in which you (more…)

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