Exam 7: Advanced SQL

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Constraints are a special case of triggers.

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User-defined functions can improve system performance because they will be processed as sets rather than individually, thus reducing system overhead.

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It is better not to have a result set identified before writing GROUP BY and HAVING clauses for a query.

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Figuring out what attributes you want in your query before you write the query will help with query writing.

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Subqueries can only be used in the WHERE clause.

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SQL provides the ________ technique, which involves placing an inner query within the WHERE or HAVING clause of an outer query.

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In order to embed SQL inside of another language, the ________ statement must be placed before the SQL in the host language.

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