The data dictionary of an ORACLE database is a set of tables and views that are used as a read-only reference about the database.
It stores information about both the logical and physical structure of the database, the valid users of an ORACLE database, integrity constraints defined for tables in the database and space allocated for a schema object and how much of it is being used.
What is hot backup and how it can be taken?
What is the use of FILE option in EXP command?
What is the use of GRANT option in EXP command?
What is the use of INDEXES option in EXP command?
What is the use of ROWS option in EXP command?
What is the use of PARFILE option in EXP command?
What is the use of ANALYSE ( Ver 7) option in EXP command?
What is the use of FULL option in EXP command?
What is the use of OWNER option in EXP command?
What is the use of TABLES option in EXP command?
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