Introduction to SQL Tutorial - TunesMK

Introduction to SQL Tutorial: SQL is a standard language for accessing and manipulating databases.

What is SQL?

• SQL stands for Structured Query Language
• SQL lets you access and manipulates databases
• SQL became a standard of the American National Standards Institute (ANSI) in 1986, and of the International Organization for Standardization (ISO) in 1987

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 create new databases
• SQL can set permissions on tables, procedures, and views
• SQL can delete records from a database
• SQL can create views in a database
• SQL can create new tables in a database

Example:

SELECT * FROM Customers;

NOTE: In the Example select syntax used to get all data from Customers table.

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