SQL INTRODUCTION

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What is SQL?

  • SQL stands for Structured Query Language
  • SQL lets you access and manipulate 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 delete records from a database
  • SQL can create new databases
  • SQL can create new tables in a database
  • SQL can create stored procedures in a database
  • SQL can create views in a database
  • SQL can set permissions on tables, procedures, and views

Headlines:

  1. SQL Syntax
  2. SQL SELECT Statement
  3. SQL WHERE Clause
  4. SQL AND, OR and NOT Operators
  5. SQL INSERT INTO Statement
  6. SQL UPDATE Statement
  7. SQL DELETE Statement
  8. The SQL CREATE DATABASE Statement
  9. SQL COUNT(), AVG() and SUM() Functions
  10. SQL Joins
  11. SQL Server Functions
  12. SQL Stored Procedures for SQL Server

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