Introduction to SQL A subquery in an SQL SELECT statement: can only be used with two tables. has a distinct form that cannot be duplicated by a join. can always be duplicated by a join. cannot have its results sorted using ORDER BY. can only be used with two tables. has a distinct form that cannot be duplicated by a join. can always be duplicated by a join. cannot have its results sorted using ORDER BY. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of values. groups. columns. distinct values. values. groups. columns. distinct values. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The FROM SQL clause is used to... specify search condition specify range for search condition None of these specify what table we are selecting or deleting data FROM specify search condition specify range for search condition None of these specify what table we are selecting or deleting data FROM ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL provides five built-in functions: COUNT, SUM, AVG, MAX, MIN. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve a maximum value? MOST TOP UPPER MAX MOST TOP UPPER MAX ANSWER DOWNLOAD EXAMIANS APP
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