21
To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included.
Answer: DISTINCT
Answer: DISTINCT
Answer: Acts like a WHERE clause but is used for groups rather than rows.
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Answer: SELECT, FROM, WHERE
Answer: A virtual table that can be accessed via SQL commands
Answer: An exact match is not possible in a SELECT statement.
Answer: DELETE FROM CUSTOMER WHERE ...
Answer: INSERT
Answer: The ability to develop more realistic models of the real world.
Answer: The need for multiple views or different windows into the same databases.