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Introduction to Oracle SQL | Oracle SQL Tutorials -1

Hi,

I will explain Introduction to Oracle SQL in this post of Oracle SQL Tutorial series.

If you don’t know what is the database and Why database, you can read the following posts before this.

What is the Database, Why Database ?

What is the Database and Relational Database Management System (RDBMS)

 

 

WHAT IS SQL (STRUCTURED QUERY LANGUAGE) ?

SQL is not a programming language like C, JAVA, C ++ it is a sub language used in databases such as Oracle, MYSQL , SQL SERVER .

SQL is a query language that is used to add , delete , access and update data in a database .

USAGE AREAS OF SQL

 

 

WHY CHOOSE SQL?

 

 

CLASSIFICATION OF SQL COMMANDS

SQL commands are categorized into 3 sections according to their functions :

 

 

SQL WRITING RULES

 

Most Important SQL Commands are as follows.

 

 

Do you want to learn Oracle Database for Beginners, then read the following articles.

Oracle Tutorial | Oracle Database Tutorials for Beginners ( Junior Oracle DBA )

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