Database Systems MCQs – Mock Test 280

Database Transactions MCQ with Answers PDF Download – Test 280

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Free "Database Systems MCQs" App Android & iOS with MCQ: Process that undoes all the updates performed by the SQL statements in the transaction, is known to be; with answers: commit work, transmit work, trace work, and rollback work to access database modules. Practice SQL Concepts and Queries Questions and Answers, Google e-Book to download free chapter for DBMS academic portals.

Database Transactions MCQ – Mock Test 280 PDF Download

MCQ 1396: The process that undoes all the updates performed by the SQL statements in the transaction, is known to be:

Transmit work
Commit work
Rollback work
Trace work

MCQ 1397: Mapping cardinalities are also known as:

Mapping ratios
Cardinality ratios
Ratio expression
Mapping expression

MCQ 1398: If the design makes the computation hard to enforce functional dependency, the design is said to be:

Preserving consistency
Dependency preserving
Not dependency preserving
Not preserving consistency

MCQ 1399: Within query execution process, several database systems today support external language routines running in a:

Tambox
Sandbox
Ranbox
Fandbox

MCQ 1400: The flow of tasks between various components of a system, is depicted by the diagram:

Activity diagram
Implementation diagram
Class diagram
Use case diagram

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