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Technical Article

RE: BACKUPS FAIL

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Sounds like the backup routine can't read pages form the DB. Like Allen said, I'd check your disks first. Run a consistency check or a CHKDSK. Also, run a DBCC CHECKDB to make sure you don't have any corruptions.

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2003-08-06

Technical Article

RE: Storing arrays in SQL.

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Hi Martin, quote: I've been set the task of converting an app that uses DOS B-Tree style databases to SQL. One thing I'm finding is that the existing databases make heavy use of arrays. i.e. 12 individual records of a customers monthly spend are not stored in 12 seperate fields but are just blatted into […]

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2003-07-29

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Technical Article

RE: Storing arrays in SQL.

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Stop. Desist. No! please, please don't. I've seen too many similar designs (including those by me) that have been created with the same good intentions. It just doesn't work well within a relational DBMS. Cheers, - Mark

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2003-07-29

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Technical Article

RE: Storing arrays in SQL.

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Thanks for that. I was mulling over the idea of including a text field into the record that contains the data in a comma delimited format. My class can then stream the data in and out, and cope with variable lengths of arrays. I'm hoping (because I'm no expert), that this will have less of […]

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2003-07-29

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Technical Article

RE: Storing arrays in SQL.

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Martin, There's no array type structure in SQL. It sort of violates relational concepts. If I were you I'd resign myself to to the slightly more difficult task of creating child tables for the repeating data. However, in the long run you'll find you'll be able to process that data (updating or querying) quite easily. […]

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2003-07-29

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Technical Article

RE: Displaying Execution Plans

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Hi Randy So whats the combo of commands to "get a text based execution plan after the execution of the statement", as showplan_all and showplan_text dont physical execute the parsed statement but return the text output. Just missing in the article. Nice summary btw, beats hunting around the docs. May be worth detailing the output […]

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2003-07-27

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Technical Article

RE: Bad practices

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quote: I'm assuming blind panic took over for awhile Don't ask! quote: How did you correct it? Newinstallation, restore. quote: *I didn't do anything it just got complicated* Is this your own, or is it taken from somewhere else? Here's another one fot the NOT to do list. - first thing after installation on target […]

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2003-07-21

Technical Article

RE: comparing specific rows

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could I not implement some kind of loop construct..heres what I have..its quite self explanatory.... delete t1 from unique_cust t1 INNER JOIN unique_cust t2 on t1.dup_code = t2.dup_code and t1.rec_lda < t2.rec_lda and t1.dup_code <> 0 and t2.dup_code <> 0 Declare @cust_iddelete varchar(255) Declare @cust_idkeep varchar(255) Declare @id int /*Set @id = ?*/ select @cust_idkeep […]

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2003-07-18

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