Introduction to SQL Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve only unique values? UNIQUE DIFFERENT DISTINCTIVE DISTINCT UNIQUE DIFFERENT DISTINCTIVE DISTINCT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the temperature in increasing order of all cities SELECT city, temperature FROM weather; SELECT city, temperature FROM weather ORDER BY city; SELECT city, temperature FROM weather ORDER BY temperature; SELECT city FROM weather ORDER BY temperature; SELECT city, temperature FROM weather; SELECT city, temperature FROM weather ORDER BY city; SELECT city, temperature FROM weather ORDER BY temperature; SELECT city FROM weather ORDER BY temperature; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of groups. values. distinct values. columns. groups. values. distinct values. columns. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To sort the results of a query use: GROUP BY. SORT BY. None of these ORDER BY. GROUP BY. SORT BY. None of these ORDER BY. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to delete data FROM a database? REMOVE ALTER COLLAPSE DELETE REMOVE ALTER COLLAPSE DELETE ANSWER DOWNLOAD EXAMIANS APP
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