A database instance is a set of memory structures that manage database files. A CDB contains one or more user-created PDBs.
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It ranges from protection from intentional unauthorized database uses to unintentional database accesses by unauthorized entities eg a person or a computer program.
What is database and its importance. What is a database. The proliferation of the internet and information technology has made analytics very relevant in the current age. In this tutorial you will have an overview of the Oracle Database its features and editions.
A PDB contains its own set of data files within the overall set of data files that belongs to the CDB. A database is an organized collection of structured data stored electronically in a computer system. The word analytics has come into the foreground in last decade or so.
When the computer was first invented it was mainly used for scientific researches to perform calculations quickly. At the physical level a CDB is a set of files on disk created by the CREATE DATABASE statement. Business Analytics - Meaning Importance and its Scope Introduction.
Database security deals with all various aspects of protecting the database content its owners and its users.
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