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:
- Hierarchical
- Network
- relational
- Object relational (ORDBMS)
SEQUEL (Structured English Query Language)
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