If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators.
Answer: A
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Indexes can usually be created for both primary and secondary keys.
Answer: A
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To sort the results of a query use:
Answer: C
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In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that:
Answer: A
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Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value.
Answer: B
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SQL data definition commands make up a(n) ________ .
Answer: A
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SUM, AVG, MIN, and MAX can only be used with numeric columns.
Answer: B
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Microsoft Access has become ubiquitous, and being able to program in Access is a critical skill.
Answer: B
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Which of the following is the correct order of keywords for SQL SELECT statements?
Answer: A
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SELECT DISTINCT is used if a user wishes to see duplicate columns in a query.
Answer: B
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