Introduction to SQL Table Employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM Employee WHERE SALARY > ANY (SELECT SALARY FROM EMPLOYEE);prints 0 9 5 10 0 9 5 10 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to update data in a database? SAVE SAVE AS MODIFY UPDATE SAVE SAVE AS MODIFY UPDATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? NOT operator EXISTS operator None of these IS NULL operator NOT operator EXISTS operator None of these IS NULL operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL -92 wildcards are ____ and ____ . percent sign (%); underscore (_) asterisk (*); percent sign (%) underscore(_); question mark (?) question mark (?); asterisk (*) percent sign (%); underscore (_) asterisk (*); percent sign (%) underscore(_); question mark (?) question mark (?); asterisk (*) ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL provides the AS keyword, which can be used to assign meaningful column names to the results of queries using the SQL built-in functions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command(s) is(are) used to change a table's storage characteristics? MODIFY TABLE ALTER TABLE All of these CHANGE TABLE MODIFY TABLE ALTER TABLE All of these CHANGE TABLE ANSWER DOWNLOAD EXAMIANS APP
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