Introduction to SQL Which of the following group functions ignore NULL values? All of these COUNT SUM MAX All of these COUNT SUM MAX ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The command to remove rows from a table 'CUSTOMER' is: DROP FROM CUSTOMER ... UPDATE FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... REMOVE FROM CUSTOMER ... DROP FROM CUSTOMER ... UPDATE FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... REMOVE FROM CUSTOMER ... ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to update data in a database? UPDATE MODIFY SAVE SAVE AS UPDATE MODIFY SAVE SAVE AS ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT ROUND(45.926, -1) FROM DUAL; prints garbage prints 50 is illegal prints 045.926 prints garbage prints 50 is illegal prints 045.926 ANSWER DOWNLOAD EXAMIANS APP
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 > ALL (SELECT SALARY FROM EMPLOYEE);prints 10 9 0 5 10 9 0 5 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The condition in a WHERE clause can refer to only one value. True False True False ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS