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Constraint checking can be disabled in existing _______________ and _____________ constraints so that any data you modify or add to the table is not checked against the constraint
mhmadesk
2022-07-19
1 answers
387 Views
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Isolation of the transactions is ensured by
mhmadesk
2022-07-19
1 answers
429 Views
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SNAPSHOT is used for (DBA)
mhmadesk
2022-07-19
1 answers
488 Views
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Which of the following is not a property of transactions
mhmadesk
2022-07-19
1 answers
464 Views
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What would be the outcome of the below query?
mhmadesk
2022-07-19
1 answers
486 Views
0 Likes
Evaluate the following SQL statements in the given order
mhmadesk
2022-07-19
1 answers
438 Views
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A non-correlated subquery can be defined as ______
mhmadesk
2022-07-19
1 answers
358 Views
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Which statement is true regarding external tables
mhmadesk
2022-07-19
1 answers
383 Views
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In which scenario would you use the ROLLUP operator for expression or columns within a GROUP BY clause?
mhmadesk
2022-07-19
1 answers
400 Views
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EMPDET is an external table containing the columns EMPNO and ENAME. Which command would work in relation to the EMPDET table?
mhmadesk
2022-07-19
1 answers
325 Views
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__________ are used to ensure that transactions access each data item in order of the transactions’ ____ if their accesses conflict
mhmadesk
2022-07-19
1 answers
720 Views
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A concurrency-control policy such as this one leads to ______ performance, since it forces transactions to wait for preceding transactions to finish before they can start
mhmadesk
2022-07-19
1 answers
283 Views
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In concurrency control policy the the lock is obtained on
mhmadesk
2022-07-19
1 answers
342 Views
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