kdb+ and q
Q+A on all things kdb+ database and the q language
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Forum Posts

How many enumerations are present in a session ?

Hi,I would like to know how many enumerations can be present in a kdb session ? Per the link below 20 - 76 can be enumeration types i.e. 57 enumerations . What happens when you have more than 57 enumerations in your session ? Any specific error is th...

.Q.dpft

The question is on .Q.dpft and db layout. 1. Is the difference between #g and #p is that internally a hashtable is maintained of unique values to each index of the value in the column for #g while #p maps unique value to the first index of the value ...

RE: [personal kdb+] Large sym enumeration file

X-Originating-IP: 174.7.128.233User-Agent: Workspace Webmail 5.14.9Message-Id: <20150717090912.85f80dae80d1d2f2e266ec6278e6cbe8.e0ba047d85.wbe@email07.europe.secureserver.net>From: "David Demner \(AquaQ\)" To: personal-kdbplus@googlegroups.comSubject...

Large sym enumeration file

Hi All, I noticed something kind of troubling today. The sym enumeration file in my hdb seems very large. Its about 400mb and contains 4.5mill entries. When I inspected it I noticed I have items in there that I may not want including orderIds. When I...