Difference between Peek and Previous Function give me an example

[jonesbrown]

Hi All

I am new to Qlikview

Difference between Peek and Previous Function give me an example 

plz help.

[Vegar · Accepted solution]

Peek() looks in your destination table  but Previous() refers to your source table.

Consider this script:

TMP:
LOAD * inline [
FIELD
A
B
C
D
E
];

LOAD 
  '#'  & RowNo() & FIELD as FIELD ,
  FIELD as [Original],
  Peek(FIELD) as [Peek],
  Previous(FIELD) as [Previous]
Resident TMP;

DROP TABLE TMP;

The output will look like this:

[prma7799]

Kindly look this...

https://community.qlik.com/t5/QlikView-App-Development/Peek-and-Previous-Function/m-p/1299519

[ashwanin]

https://www.qliktastic.com/2016/02/08/qlikview-previous-and-peek-are-not-the-same/

Go through this article. It will help you for your answer