What is the EXISTS operator?

0 votes
Hi!!

Can someone tell me what is the EXISTS Operator?
Dec 13, 2018 in Database by CodingByHeart77
• 3,680 points
31 views

1 answer to this question.

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
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
• 6,140 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
• 6,140 points
35 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
• 8,100 points
19 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
• 8,100 points
12 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
• 8,100 points
21 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
• 8,100 points
24 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
• 6,140 points
575 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
• 6,140 points
74 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
• 6,140 points
38 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
• 6,140 points
49 views

© 2018 Brain4ce Education Solutions Pvt. Ltd. All rights Reserved.
"PMP®","PMI®", "PMI-ACP®" and "PMBOK®" are registered marks of the Project Management Institute, Inc. MongoDB®, Mongo and the leaf logo are the registered trademarks of MongoDB, Inc.