topic Peek in QlikView

Peek

Anonymous — Wed, 25 Nov 2020 16:16:04 GMT

What is difference bewten Peek and previous functions in Qlickview ?

Re: Peek

Anonymous — Mon, 24 Apr 2017 07:17:51 GMT

Clearly explained here Peek() vs Previous() – When to Use Each

Re: Peek

Anonymous — Mon, 24 Apr 2017 07:18:47 GMT

Hi,

Using peek fun we can fetch any records which have been loaded previously where as Previous fun can used to fetch previous record(if current load statement read 4th record previous fun can read 3rd record value).

Peek fun can be used in load statement as well script variables bt Previous function can not be used in outside of load script.

Thanks

Paridhi

Re: Peek

Anonymous — Mon, 24 Apr 2017 07:44:07 GMT

Hi ramesh,

Peek() finds the value of a field in a table for a row that has already been loaded or that exists in internal memory. The row number can be specified, as can the table.

Syntax:Peek(field_name[, row_no[, table_name ] ] )

Previous() finds the value of the expr expression using data from the previous input record. In the first record of an internal table, the function will return NULL.

Syntax: Previous(Exp)

R/Murali.