Data Dictionary:
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Data Dictionary:
Is a collection of tables created and maintained by oracle server.
Contain user information.
Contain database information.
Both a and c
All
A data dictionary is a comprehensive repository of metadata about the database structure, maintained by the database server itself. It contains information about tables, users, privileges, constraints, and all database objects. Option E is correct because the data dictionary is indeed a collection of tables, contains database information, and user information.