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Oracle introduction to sql 2012-08-14

Oracle introduction to sql

  1. sagar06284
    Introduction to Structured Query Language
    Version 4.15
    This page is a tutorial of the Structured Query Language (also known as SQL) and is a pioneering effort on the
    World Wide Web, as this is the first comprehensive SQL tutorial available on the Internet. SQL allows users to
    access data in relational database management systems, such as Oracle, Sybase, Informix, Microsoft SQL Server,
    Access, and others, by allowing users to describe the data the user wishes to see. SQL also allows users to define the
    data in a database, and manipulate that data. This page will describe how to use SQL, and give examples. The SQL
    used in this document is "ANSI", or standard SQL, and no SQL features of specific database management systems
    will be discussed until the "Nonstandard SQL" section. It is recommended that you print this page, so that you can
    easily refer back to previous examples.