MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SQL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the query below is likely to run into an error?
A
SELECT FROM DataFlair;
B
SELECT name, emp ____ id FROM DataFlair
C
SELECT name FROM DataFlair;
D
SELECT * FROM DataFlair;
Explanation: 

Detailed explanation-1: -The asterisk tells the database to select all data in the table.

Detailed explanation-2: -Which SQL statement will not generate any error message? SELECT * FROM EMP WHERE EMPNO LIKE (1, 2, 3, 4);

Detailed explanation-3: -Q16) Which of the following statement(s) is/are true for UPDATE in SQL? In UPDATE command, you must list what columns to update with their new values (separated by commas). To update multiple targeted records, you need to specify UPDATE command using the WHERE clause.

Detailed explanation-4: -Which of the following is true about NULL values in SQL? A NULL value means zero.

There is 1 question to complete.