Which of the following is true concerning triggers?
Answer: C
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A UNION query is which of the following?
Answer: C
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The code to create triggers and routines is stored in only one location and is administered centrally.
Answer: A
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Which of the following statements is true concerning routines and triggers?
Answer: A
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When AUTOCOMMIT is set on, changes will be made automatically at the end of each SQL statement.
Answer: A
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Triggers are stored blocks of code that have to be called in order to operate.
Answer: B
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With the UNION clause, each query involved must output the same number of columns, and they must be UNION compatible.
Answer: A
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Which of the following is true concerning systems information in an RDBMS?
Answer: D
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The joining technique is useful when data from several relations are to be retrieved and displayed and the relationships are not necessarily nested.
Answer: A
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Outer join is the same as equi-join, except one of the duplicate columns is eliminated in the result table.
Answer: B
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