CompTIA DS0-001 Actual Free Exam Questions & Community Discussion
A database administrator is migrating the information in a legacy table to a newer table. Both tables contain the same columns, and some of the data may overlap.
Which of the following SQL commands should the administrator use to ensure that records from the two tables are not duplicated?
Which of the following SQL commands should the administrator use to ensure that records from the two tables are not duplicated?
Correct Answer: A
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Which of the following sets the age requirement for data that should be recovered after a major disaster?
Correct Answer: C
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(Which of the following should a database administrator monitor to ensure a database has enough physical storage available to maintain performance expectations? Select two.)
Correct Answer: A,B
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Which of the following resources is the best way to lock rows in SQL Server?
Correct Answer: D
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(Which of the following is used to store product quantities in a table while ensuring the minimal amount of storage is consumed?)
Correct Answer: B
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(Analysts are writing complex queries across live tables for a database administrator. Which of the following is the best solution for the analysts to implement in order to improve user performance?)
Correct Answer: B
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Which of the following is a potential issue raised by enterprise database users?
Correct Answer: D
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