SQL is considered difficult to learn; its command set has a vocabulary of more than 300 words.
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Q15: String comparisons are made from left to
Q16: The ANSI SQL standards are also accepted
Q17: A database language enables the user to
Q18: ANSI-standard SQL allows the use of special
Q19: Although SQL commands can be grouped together
Q21: A(n) _ join performs a relational product
Q22: The special operator used to check whether
Q23: Which comparison operator indicates a value isnot
Q24: What type of command does this SQL
Q25: The SQL data manipulation command HAVING:
A) restricts
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