What is the EXISTS operator?

0 votes
Hi!!

Can someone tell me what is the EXISTS Operator?
Dec 13, 2018 in Database by CodingByHeart77
• 3,690 points
44 views

1 answer to this question.

0 votes

Exists operator is used to test if a record exists or not.

Syntax:

SELECT column_name(s)
FROM table_name
WHERE EXISTS
(SELECT column_name FROM table_name WHERE condition);
answered Dec 13, 2018 by darklord
• 6,190 points

Related Questions In Database

0 votes
1 answer

What is the SQL query to get the third highest salary of an employee from employee_table

You can try out something like this: SELECT ...READ MORE

answered Sep 26, 2018 in Database by darklord
• 6,190 points
568 views
0 votes
1 answer

Which operator is used in the query for pattern matching?

LIKE operator is used for pattern matching, ...READ MORE

answered Oct 15, 2018 in Database by DataKing99
• 8,130 points
73 views
0 votes
1 answer

What is the need of MERGE statement?

This statement allows conditional update or insertion of ...READ MORE

answered Oct 23, 2018 in Database by DataKing99
• 8,130 points
33 views
0 votes
1 answer

Can someone tell me what is IS NULL operator

Since it is not possible to test ...READ MORE

answered Nov 20, 2018 in Database by DataKing99
• 8,130 points
34 views
0 votes
1 answer

Why is not preferable to use mysql_* functions in PHP?

The reasons are as follows: The MySQL extension: Does ...READ MORE

answered Sep 7, 2018 in Database by DataKing99
• 8,130 points
65 views
0 votes
1 answer

Find values in a comma separated string in a MySQL query

You can add commas to the left and ...READ MORE

answered Sep 10, 2018 in Database by darklord
• 6,190 points
3,030 views
0 votes
1 answer

How to do a batch insert in MySQL

You can try out the following query: INSERT ...READ MORE

answered Sep 10, 2018 in Database by darklord
• 6,190 points
442 views
0 votes
1 answer
+1 vote
1 answer

What is the AND operator?

The AND operator is used to filter ...READ MORE

answered Nov 30, 2018 in Database by darklord
• 6,190 points
62 views
0 votes
1 answer

What is the NOT Operator in MySQL?

NOT operator displays a record when the ...READ MORE

answered Dec 13, 2018 in Database by darklord
• 6,190 points
73 views