Database Questions and Answers – Querying database part 5

This set of Database Interview Questions and Answers for Experienced people focuses on ” Querying database part – 5″.

1. Which is refers to a stalemate situation due to which no further progress is possible as computer await response of each other:
a) Concurrency
b) Deadlock
c) Backup
d) Recovery
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2. Which is a duplicate copy of a file program that is stored on a different storage media than the original location:
a) Concurrency
b) Deadlock
c) Backup
d) Recovery
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3. Which is the duplication of computer operations and routine backups to combat any unforeseen problems:
a) Concurrency
b) Deadlock
c) Backup
d) Recovery
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4. Optimization that is basically related to the rewriter module is termed as__________
a) Semantic query optimization
b) Global query optimization
c) All of the Mentioned
d) None of the Mentioned
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5. Optimization basically related to the Rewrite module is termed as_______
a) Semantic query optimization
b) Global query optimization
c) All of the Mentioned
d) None of the Mentioned
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6. Database security helps organizations to protect data from _____
a) Internal users
b) External users
c) Non-external users
d) Non internal users
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7. Copying files to secondary or specific devices is known as ______
a) Retrieve
b) Backup
c) Recovery
d) Deadlock
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8. How many types of recovery control techniques:
a) 2
b) 3
c) 4
d) 5
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9. Which are types of recovery control techniques:
a) Deferred update
b) Immediate update
c) All of the Mentioned
d) None of the Mentioned
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10. Which server can join the indexes when only multiple indexes combined can cover the query:
a) SQL
b) DBMS
c) RDBMS
d) All of the mentioned
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