Introduction to SQL There is an equivalent join expression that can be substituted for all subquery expressions. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which one of the following sorts rows in SQL? SORT BY ALIGN BY ORDER BY GROUP BY SORT BY ALIGN BY ORDER BY GROUP BY ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Select the right statement to insert values to the student table. INSERT VALUES INTO student ( INSERT INTO student VALUES ( INSERT student VALUES ( INSERT VALUES ( INSERT VALUES INTO student ( INSERT INTO student VALUES ( INSERT student VALUES ( INSERT VALUES ( ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? None of these NOT operator EXISTS operator IS NULL operator None of these NOT operator EXISTS operator IS NULL operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL WHERE clause: limits the row data are returned. Both A and B are correct. Neither A nor B are correct. limits the column data that are returned. limits the row data are returned. Both A and B are correct. Neither A nor B are correct. limits the column data that are returned. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints 23 ab gh bc 23 ab gh bc ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS