References on SQL database

Introduction to SQL

--SQL is a standard language for accessing and manipulating databases.

What is SQL?

  1. SQL stands for Structured Query Language
  2. SQL lets you access and manipulate databases
  3. SQL is an ANSI (American National Standards Institute) standard
  4. What Can SQL do?
  5. SQL can execute queries against a database
  6. SQL can retrieve data from a database
  7. SQL can insert records in a database
  8. SQL can update records in a database
  9. SQL can delete records from a database
  10. SQL can create new databases
  11. SQL can create new tables in a database
  12. SQL can create stored procedures in a database
  13. SQL can create views in a database
  14. SQL can set permissions on tables, procedures, and views
  15. SQL is a Standard - BUT....
> Although SQL is an ANSI (American National Standards Institute) standard, there are different versions of the SQL language.

> However, to be compliant with the ANSI standard, they all support at least the major commands (such as SELECT, UPDATE, DELETE, INSERT, WHERE) in a similar manner.

Note Note:  Most of the SQL database programs also have their own proprietary extensions in addition to the SQL standard!

Using SQL in Your Web Site

To build a web site that shows data from a database, you will need:

An RDBMS database program (i.e. MS Access, SQL Server, MySQL)

To use a server-side scripting language, like PHP or ASP
To use SQL to get the data you want
To use HTML / CSS
RDBMS
RDBMS stands for Relational Database Management System.

RDBMS is the basis for SQL, and for all modern database systems such as MS SQL Server, IBM DB2, Oracle, MySQL, and Microsoft Access.

The data in RDBMS is stored in database objects called tables.



A table is a collection of related data entries and it consists of columns and rows.

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