select nvl( '', 'Yes '''' is null' ) "Evaluate" : NVL « Char Functions « Oracle PL / SQL

Oracle PL / SQL

1.	Aggregate Functions
2.	Analytical Functions
3.	Char Functions
4.	Constraints
5.	Conversion Functions
6.	Cursor
7.	Data Type
8.	Date Timezone
9.	Hierarchical Query
10.	Index
11.	Insert Delete Update
12.	Large Objects
13.	Numeric Math Functions
14.	Object Oriented Database
15.	PL SQL
16.	Regular Expressions
17.	Report Column Page
18.	Result Set
19.	Select Query
20.	Sequence
21.	SQL Plus
22.	Stored Procedure Function
23.	Subquery
24.	System Packages
25.	System Tables Views
26.	Table
27.	Table Joins
28.	Trigger
29.	User Previliege
30.	View
31.	XML

Java Source Code / Java Documentation

Java Open Source

Jar File Download

Photoshop Tutorials

Flash Tutorials

3ds-Max Tutorials

Illustrator Tutorials

C# / CSharp Tutorial

C# / CSharp Open Source

ASP.NET Tutorial

JavaScript DHTML

JavaScript Tutorial

JavaScript Reference

HTML CSS Reference

Python Tutorial

Python Open Source

SQL Server / T-SQL

SQL Server / T-SQL Tutorial

Oracle PL/SQL Tutorial

VB.Net Tutorial

Flash / Flex / ActionScript

VBA / Excel / Access / Word

Microsoft Office PowerPoint 2007 Tutorial

Microsoft Office Excel 2007 Tutorial

Microsoft Office Word 2007 Tutorial

Oracle PL / SQL » Char Functions » NVL

select nvl( '', 'Yes '''' is null' ) "Evaluate"


  

SQL>

SQL>  select nvl( '', 'Yes '''' is null' ) "Evaluate"

  2      from dual

  3    /

Evaluate

--------------

Yes '' is null



1 row selected.



SQL>

SQL> --

Related examples in the same category

1.	NVL: Returns a substitute (some other value) if a value is null
2.	NVL: Supply an NVL default that is of a different datatype
3.	NVL: Provide default value for NULL
4.	Use NVL() to convert number columns and date columns
5.	NVL() deals with date value
6.	Combine nvl and to_char
7.	nvl( e2.ename, 'NO BOSS! PARTY TIME!' )
8.	Use nvl in a function
9.	Use TRUNC function in NVL function
10.	This will fail, because the datatypes of the two arguments are different
11.	Accommodate the datatype difference by placing a TO_CHAR function around the LAST_STOCK_DATE
12.	Use NVL to check nullment in PL/SQL
13.	Use Nvl function in math calculation for null value

www.java2java.com | Contact Us

Copyright 2009 - 12 Demo Source and Support. All rights reserved.

All other trademarks are property of their respective owners.