CodesJava

Easy learning with example program codes

what is the use of nvl function in sql?


The nvl() function return an alternative value when an expression is NULL.
Syntax:

NVL(string, replaceWith)

Where:
string : represents the string to test for a null value.
replaeWith : represents the value returned if string is null.
Example:

SELECT NVL(cus_city, 'n/a') FROM customers;

Related topics

Posted in SQL   


Industrial Training

We offers Placement Oriented Training on Java, Spring, JSF, Hibernate, PHP, AngularJS, Angular 4, PLSQL, Oracle BI Publisher etc. We also provides Online training, please mail us at hr@codesjava.com.

Development

We also provides the Development services for Website Development , Java Development, PHP Development, Android App Development etc. You can contact us on hr@codesjava.com.

Copyright © 2019 CodesJava DMCA.com Protection Status SiteMap Reference: Java Wiki