Introduction to SQL
Which of the following is the original purpose of SQL?

To specify the syntax and semantics of SQL data definition language
All of these
To define the data structures
To specify the syntax and semantics of SQL manipulation language

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Introduction to SQL
The HAVING clause does which of the following?

Acts like a WHERE clause but is used for columns rather than groups.
Acts like a WHERE clause but is used for rows rather than columns.
Acts like a WHERE clause but is used for groups rather than rows.
Acts EXACTLY like a WHERE clause.

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