...erformance considerations? Are there alternatives to joins? (Yes! Applymap!) What does the Keep prefix do? HIC See also my blog post on the same subject: To Join or not to Join.
Hello,
I have this table as mapping
map: LOAD * INLINE [ lookup, substitute -, 0 +, 1 ];
and this table with data
[data_loaded]:
LOAD
ASSY as Assy, //
&n...
Good day all I have a large data set that contains many acronyms and abbreviations. I would like to convert these into their long text translations. My question is: is it faster to ApplyMap t...
Hi all, I am replacing some Joins with ApplyMap() and (potentially) Lookup() in a Qlik Sense script. Two questions: I know ApplyMap() is faster than Lookup() and joining, but is Lookup() faster t...
Both functions LOOKUP and APPLYMAP can only be used in the script according to what I have been finding here in the forums. I would need the equivalent of them to apply to a variable. The s...
Hi, how do I use ApplyMap with multiple columns in the lookup file? MappingIdLkup Category Agreement 1001 Exchange Traded Yes 1002 Over the Counter No 1003 Exotics No 1...
Hello, I have a problem with Applymap function. After loading the script, lot of results are wrong. I don't have the same problem with a LEFT JOIN or lookup() but number of data is huge and t...
Hi Experts, I think I know the use of Applymap(), It is used to lookup the date in the mapping table and load into the main table. I have read a statement that "Applymap() is used to cleanup t...