Shane on September 17th, 2007

Wondering which SQL Job runs which subscription? Here’s how to find out. select,, d.path, c.description, c.laststatus, c.lastruntime from msdb.dbo.sysjobs a join reportserver..reportschedule b on as nvarchar(255)) join reportserver..subscriptions c on b.subscriptionid=c.subscriptionid join reportserver..catalog d on c.report_oid=d.itemid order by c.lastruntime desc

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Shane on July 2nd, 2007

Now that our datawarehouse database is over 250GB, using the built-in SQL Server tools are not an option. I have experience with Veritas BackupExec and NetBackup, and here is my typical experience: backups are scheduled overnight and usually take the entire night. Restores are no faster. Here’s a product that’s worth looking in to: Idera [...]

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Shane on June 29th, 2007

My latest debacle loading this massive table has to do with removing duplicates before I try adding a primary key to the table. I had to restart the load process a couple times before I finally settled into a method that worked well. (Running multilpe instances of DTExec on different subsets of the source data, [...]

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Shane on June 28th, 2007

Dear Shane, Next time trust me. SELECT INTO is always faster than UPDATE when you’re talking about updating the entire table. Even if the table has three NVARCHAR(MAX) fields and you’re only updating one 4 byte INT column. Rather than run an update for 1hr 6min before you decide to cancel said query and trigger [...]

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Shane on June 28th, 2007

When I was working with Oracle, I got hooked on using MINUS and INTERSECT. Well, it turns out that Microsoft implemented these functions in a slightly different way in SQL 2005. Jeff Smith lays out a nice example here.

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Shane on February 12th, 2007

Also on the subject of checksum testing, this query will generate a checksum query for a given table. Use this query to generate the checksum for each table, then customize the sum() clauses if you did any transformations on your data. select case a.xtype when 167 then ‘SUM(LEN(‘’)) as sum_len_’’,’ when 175 then ‘SUM(LEN(‘’)) as [...]

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Shane on January 31st, 2007

select upper( as table_name, upper( as column_name, a.colid, a.length, a.xprec, a.xscale, a.xtype,(CASE WHEN a.xtype=167 then ‘varchar’ WHEN a.xtype=175 then ‘char’ WHEN a.xtype=61 then ‘datetime’ WHEN a.xtype=106 then ‘decimal’ END) as col_type from syscolumns a, sysobjects b where and b.xtype=’U’ and upper( ‘DTPROPERTIES’ order by,, a.colid

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