Database Systems MCQs - Chapter 21
SQL Concepts and Queries Multiple Choice Questions (MCQ) PDF Download - 2
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The SQL Concepts and Queries Multiple Choice Questions (MCQ Quiz) with Answers PDF (SQL Concepts and Queries MCQ PDF e-Book) download Ch. 21-2 to learn Database Systems Course. Solve SQL Data Types and Schemas Multiple Choice Questions (MCQs), SQL Concepts and Queries quiz with answers PDF for computer science degree programs. The SQL Concepts and Queries MCQ App Download: Free educational app for database transactions, database views career test for online college classes.
The MCQs: SQL allows comparison operations on the data types i.e.; "SQL Concepts and Queries" App (Android, iOS) with answers: Date; Time; Timestamp; All datatypes; for computer science degree programs. Practice SQL Data Types and Schemas Quiz Questions, download Apple e-Book (Free Sample) for online computer science and engineering.
SQL Concepts and Queries MCQ with Answers PDF Download: Quiz 2
SQL allows comparison operations on the data types i.e.
- time
- date
- timestamp
- All datatypes
In the case of power outage or other system crash, when the system restarts, the action known to be occur is of
- Rollback work
- Trace work
- Traceback work
- Commit work
The current date is returned by the method
- system.date
- current.date
- machine.date
- today.date
All the statements between the keywords begin atomic ...end form a/an
- Single transaction
- NO transaction
- Multiple transactions
- 2 parallel transactions only
Any relation that is not part of the logical model, but is made visible to a user as a
- Natural relation
- Absolute relation
- Virtual relation
- Linear relation
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Database & MySQL MCQ with Answers
- Attributes which have only one value for a specific entity are called
- Application program interface in two tier architecture database management system is provided by
- Indexes which specifies address of records on disk with a physical pointer are classified as
- Kind of constraint which cannot let two entities to have similar values is classified as
- Operation which is used to take union of tuples from relations that are not union compatible is classified as
SQL Concepts and Queries MCQ Book Questions
- Number of types of ordered indices are
- Mapping cardinalities can be of type
- Mapping of conceptual schema using entity-relationship model into a relation schema, is achieved at stage
- Method that supports high transaction rates, is known as
- A view is updatable, if clause does not have any expression, aggregation and distinct specifications, i.e.