Introduction to SQL There is an equivalent join expression that can be substituted for all subquery expressions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Indexes can usually be created for both primary and secondary keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following command makes the updates performed by the transaction permanent in the database? ROLLBACK COMMIT DELETE TRUNCATE ROLLBACK COMMIT DELETE TRUNCATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a SQL aggregate function? AVG LEFT JOIN LEN AVG LEFT JOIN LEN ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which operator performs pattern matching? EXISTS operator None of these BETWEEN operator LIKE operator EXISTS operator None of these BETWEEN operator LIKE operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to sort the result-set? ORDER SORT ORDER BY SORT BY ORDER SORT ORDER BY SORT BY ANSWER DOWNLOAD EXAMIANS APP
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