Viewing 15 posts - 196 through 210 (of 1,241 total)
A report user would still want to see not only what items sold, but what did not sell all in the same view. So doing a right join (sales events...
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November 29, 2021 at 7:26 am
As far as Primary Key (without Clustered Index) is concerned you MAY have it on a GUID or an Identity column (mostly preferred). But if you ask Primary Key...
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October 27, 2021 at 2:24 am
I would not advise a GUID as a primary key. They are 16bytes in size last time I checked, have no fixed order, and a int or big int could...
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October 24, 2021 at 9:09 pm
One approach you can take is create your own surrogate key for all record and keep the customer key as its own column.
"Policy Number would make a decent clustered index...
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October 24, 2021 at 9:02 pm
With OLAP your dimension tables are typically wide and short compared to your fact tables (tall and narrow). Typically we add everything to the dimension if the attribute is a...
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October 24, 2021 at 8:55 pm
You can use a case statement along with the functions Grant alludes to determine the column datatypes. I hope you only have to do this once per column / per...
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October 24, 2021 at 8:49 pm
Data type disparity on join conditions etc is not really an after thought I've seen over time, its more like a 'no thought.' You bring up an excellent point that...
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October 24, 2021 at 3:10 am
Dont forget any secondary replicas if you are using High Availability.
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October 23, 2021 at 5:39 am
p.s. Using VARCHAR with no length is one of those code smells that you might want to avoid.
It would default to varchar(30) , but still to wide for a...
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October 23, 2021 at 5:36 am
I dread the day that machines will not need to depend on us.
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October 23, 2021 at 5:23 am
That comes down to machine learning. Basically showing a computer a bunch of picture of humans' faces. Computer is programmed to recognize the patterns acrosss all those pictures so when...
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October 22, 2021 at 5:42 am
THank you for that piece of information. However my comment centered specifially on the post about inserting into multiple tables from one source , and how that can be done...
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October 22, 2021 at 5:24 am
I would not fixate on sticking to one set based statement as I would to transactions. Each loop in a cursor can be thought of as a transaction . Where...
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October 20, 2021 at 4:26 am
I've approached this type of situation , assuming I am deleting from the target table thouasnds of records that still would not make up a majority of the rows, using...
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October 17, 2021 at 5:24 am
I found Erland Sommarskog's articles on SQL Error Handling very helpful. They are very detailed, and very long, but gave me a lot of reassurance that I understood all...
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August 9, 2021 at 5:53 pm
Viewing 15 posts - 196 through 210 (of 1,241 total)