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MCQs on DBMS for Competitive Exams PDF Book Download
MCQ: While an DDL operation acts on or refers to object, it is protected by
- Views log
MCQ: Restricting data access and database activities is responsibility of
- Data concurrency control
- Data access control
- Data atomicity control
- Data integrity control
MCQ: Oracle Database acquires a DDL lock on behalf of?
- Explicit action
MCQ: Definition of a schema object is protected through
- Data dictionary lock
- Data declaration lock
- Data definition lock
- Data administrator lock
MCQ: Data dictionary cache holds data in form of