topic Re: Distinct (Load) in QlikView

Distinct (Load)

hkg_qlik — Mon, 25 Jun 2012 15:00:01 GMT

Hi,

I have a table with the following fields:

MEMBERID

ADDRESS

STATE

COUNTY

I want to remove the duplicate records while script loading process based on distinct(MEMBERID)

Thanks,

Re: Distinct (Load)

Mon, 25 Jun 2012 15:06:34 GMT

T1:

LOAD DISTINCT MEMBERID

FROM BLAH.XLS

CONCATENATE(T1)

LOAD MEMBERID,

ADDRESS,

STATE,

COUNTY,

FROM BLAH.XLS

Re: Distinct (Load)

hkg_qlik — Mon, 25 Jun 2012 15:16:03 GMT

Not working!

Re: Distinct (Load)

MayilVahanan — Mon, 25 Jun 2012 15:17:22 GMT

Hi,

Try this,

Load

If(Previous(MEMBERID) = MEMBERID, 0, MEMBERID) As MEMBERID,

ADDRESS,

STATE,

COUNTY,

From [FileName].[FileExtension]

Order By MEMBERID

Hope it helps

Re: Distinct (Load)

hkg_qlik — Mon, 25 Jun 2012 15:49:49 GMT

not working!

Re: Distinct (Load)

christian77 — Mon, 25 Jun 2012 15:53:18 GMT

Hi:

Do just

T1:

LOAD DISTINCT MEMBERID /////only this field will be distinct or unique.

ADDRESS,

STATE,

COUNTY,

FROM BLAH.XLS

Have on mind that during the regular select distinct, load dialog box will show many records fetched, but in your table will be correct.

Re: Distinct (Load)

hkg_qlik — Mon, 25 Jun 2012 16:05:18 GMT

Hi Christian,

I tried that before but it seems to be not working. I am using a QVD file as a source. Does that affect anything?

Thanks,

Re: Distinct (Load)

Mon, 25 Jun 2012 16:14:49 GMT

Where we have all said FROM BLAH.XLS that needs to be FROM ..........QVD

Re: Distinct (Load)

CELAMBARASAN — Mon, 25 Jun 2012 17:03:57 GMT

Hi,

T1:

LOAD

MEMBERID,

FirstValue(ADDRESS) AS ADDRESS,

FirstValue(STATE) AS STATE,

FirstValue(COUNTY) AS COUNTY,

FirstValue(EMAIL) AS EMAIL

FROM BLAH.XLS

GROUP BY MEMBERID ;

Re: Distinct (Load)

lawrenceiow — Wed, 08 Oct 2014 14:56:02 GMT

Thanks Chris Conejero, this worked perfectly for me. I had been trying the FIRSTVALUE method but kept running out of memory and it was very slow (1.5million records).

Using the LOAD Distinct method was a lot faster, did not run out of memory and did the job exactly as you described:

I already knew I had 1,488,448 records with 6 duplicates (In a Straight table I used Count(MEMBERID) and Count(Distinct MEMBERID) to check)

The LOAD routine stated it loaded 1,488,448 records and then the straight table showed 1,488,442 for both the Count and Count Distinct.

Thank you very much, even though your answer wasn't what hkgandhi was after it was exactly what I needed.