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Home » » SQL & RDMS EXPLAIN IN DETAILS

SQL & RDMS EXPLAIN IN DETAILS

Written By Unknown on Sunday, 21 April 2013 | 6:41 pm

What Is SQL Explain, What Is RDMS, WHAT SQL DO



What is sql
SQL  referred to Structured Query Language, is a database computer language designed for managing data in relational database management systems (RDBMS).
SQL is a nonprocedural language.
SQL lets you access and manipulate databases.

What is RDBMS
RDBMS: A database management system that manages data as a collection of tables in which all relationships are represented by common values in related tables.

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 views in a database
SQL can set permissions on tables, procedures, and views

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