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Oracle Introduction

What is oracle ?
  • Oracle is a database which is developed by Oracle corporation.
  • Organization can store data on various media and in different formats, such as a hard-copy document in a filling cabinet or data stored in electronic spreadsheets or in databases.
  • A database is an organized collection of information.
  • To manage databases you need database management software (DBMS) . A DBMS is a program that stores retrieves, and modifies data in the database on request.
  • There are 4 main types of databases:
  1. Hierarchical
  2. Network
  3. relational
  4. Object relational (ORDBMS)

SEQUEL (Structured English Query Language)



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