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Sometimes getting empty columns when loading data

Loading a number of *.mat files into Kdb. Some of the files load with no problems, some (probably less than a half) frow a bunch of 'type 'rank errors and leave consistently four columns in the table blank. The failed *.mat files seem OK.

A_L_V_ by New Contributor
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c3p0 and hibernate properties

Hi All,I am trying to connect to KDB using my application provided sql connection. I am able to test the connection and test the source and get the columns for the given sql.But When i am trying to run the source to fetch the data, i get connection t...

madhulmr by New Contributor
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Null Value for a Type

Hi,I was required in my scripts to insert null values for some column but because of number of columns were large, i thought to write a function that will give me such values. But somehow i was not able to find a direct way to find that null values f...

Add Linked Column to Parition

Hello,I am trying to add a linked column to an already existing partitioned db. I am trying to use addcol from dbmaint.q to add the column to all the tables and then add the link to a master sym table.I have tried addcol[`:/hdb;`trade;`link;`mas!(mas...