SQL Practice Test 24
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SQL Quiz Online: SQL Multiple Choice Questions with Answers PDF Download - 24
MCQ 116: The output generated by the boolean expression 'true or unknown' is
- False
- Null
- Unknown
- True
MCQ 117: SQL statement defined to revoke an authorization is said to be
- Revoke
- Modify
- Alter
- Define
MCQ 118: SQL queries can be embedded in a language, known to be
- Server language
- Host language
- System language
- Processed language
MCQ 119: In SQL, a transaction is initialized implicitly when the statement is
- Composed
- Projected
- Retrieved
- Executed
MCQ 120: In SQL, the command used to remove a relation from the database is said to be
- Delete command
- Eliminate
- Abort
- Drop
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Database Management System Practice Questions
- Weak entities and their identifying relationship in the ER diagrams are represented by
- Diagrams in unified modified language which are used to test class diagrams
- Constraint violated when the given value of attribute is not included in the corresponding domain is
- For a three-schema architecture, there is strict partition between external, internal and
- If the referential integrity constraint is violated then the specific action clause
- Data type DATE has three components where as its insertion considers
SQL Multiple Choice Questions with Answers Practice Tests
- In SQL, the keyword DISTINCT is used for eliminating duplicate results after the clause
- SQL standard introduced initiating triggers in early
- State of the database can be undo during the transaction with the terminology
- Embedded SQL requests have a defined syntax that depends on the
- Indication of cascading revocation can be expressed through the keyword
- For membership in a relation, SQL allows testing of
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