Introduction to SQL The SQL -92 wildcards are ____ and ____ . percent sign (%); underscore (_) underscore(_); question mark (?) asterisk (*); percent sign (%) question mark (?); asterisk (*) percent sign (%); underscore (_) underscore(_); question mark (?) asterisk (*); percent sign (%) question mark (?); asterisk (*) ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s): NOT IN only. IN only. LIKE only. Both IN and NOT IN. NOT IN only. IN only. LIKE only. Both IN and NOT IN. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? IS NULL operator NOT operator None of these EXISTS operator IS NULL operator NOT operator None of these EXISTS operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL WHERE clause: Neither A nor B are correct. limits the column data that are returned. Both A and B are correct. limits the row data are returned. Neither A nor B are correct. limits the column data that are returned. Both A and B are correct. limits the row data are returned. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which command undo all the updates performed by the SQL in the transaction? DELETE TRUNCATE ROLLBACK COMMIT DELETE TRUNCATE ROLLBACK COMMIT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command is used to change a table's storage characteristics? MODIFY TABLE CHANGE TABLE None of these ALTER TABLE MODIFY TABLE CHANGE TABLE None of these ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
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