TSQL Challenge - Table Truncation - 29 Jul 2011 Commented on: 3 years ago (July 30, 2011) How important is it that the view V1 reports the correct values throughout the (fast clearing) operation?
TSQL Challenge: Packing Date and Time Intervals Commented on: 4 years ago (January 29, 2011) Is anything to be gained from taking advantage of the 60-minute maximum for a session in the test data, Itzik?
T-SQL Challenge with SQL Server 2012’s Sequence Object Commented on: 4 years ago (December 16, 2010) Most efficient way I can think of is to have the sequence INCREMENT BY 2 each time, and insert (NEXT VALUE FOR dbo.Seq1) and (NEXT VALUE FOR dbo.Seq1 + 1) into key1 and key2 (respectively) in T1....
SQL Server 2012 T-SQL at a Glance – Sequences Commented on: 4 years ago (November 23, 2010) I believe I'm right in saying that other than column order, the order of items in the SELECT list doesn't mean anything - so it would be wrong for SQL Server to arbitrarily provide e.g. 1 as the...
Geekiest Sig Challenge Commented on: 5 years ago (February 2, 2010) Now that's just geeky to the max! If you had written a .Net app to pull out the pixel positions I'm not sure whether it would've been more or less geeky, mind. :)
Solutions to Logic Puzzle - Crossing a Desert Commented on: 5 years ago (December 9, 2009) The only trouble is, Itzik, that when you return to the first spot where you deposited the food you find it has been eaten by camels! Thankfully, you capture one of them, ride it for three days...
Solutions to T-SQL Challenge - Efficient Partitioned TOP Commented on: 5 years ago (October 31, 2009) You can cheat by relying on the randomness of the data inserted into the table an put "WHERE col1 > 95" at the end of the inner query - limiting the size of the sort. Not recommended for production...
Virtual Auxiliary Table of Numbers Commented on: 5 years ago (October 30, 2009) I've tried the recursive approach you suggest, oddsock and as per article #94376, having the OPTION within the function doesn't work (syntax error) - it'd be a huge pain to have to remember to...
T-SQL Challenge - Duplicating Form Entries Commented on: 5 years ago (August 25, 2009) ccasimor - yes it is possible to insert into two tables in a single statement in SQL Server 2008.
Optimizing a Suboptimal Query Plan Commented on: 6 years ago (March 26, 2009) Hi Itzik, Further to my earlier reply - here are some timings (T1 w/ 1,000,000 rows, col2 'pseudorandomizedish' - SQL Server w/ 768MB RAM, testdb and tempdb on separate disks). Original query: 29s...

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May 18, 2015
blog

AlwaysOn Availability Groups and SQL Server Jobs, Part 24: Synchronizing SSIS Packages

In my previous post I covered options for adding “If-checks” into SSIS Packages – or SQL Server Maintenance Plans (which are, effectively, specialized SSIS packages). Once you’ve tackled that process, you’ll need to tackle something else when it comes to managing SSIS packages in conjunction with AlwaysOn Availability Groups. Or, more specifically, you’ll actually need to tackle two tasks....More
May 13, 2015
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AlwaysOn Availability Groups and SQL Server Jobs, Part 23: Maintenance Plan Backups and SSIS Packages

In my last post, we took a look at some of the details involved in actually implementing backups against databases being hosted in AlwaysOn Availability Groups. In addition to providing a high-level overview of how sys.fn_hadr_backup_is_preferred_replica() works, I also mentioned that integrating it into backups managed by SQL Server Maintenance Plans isn’t as easy as what you’ll run into with other types of backups....More
Apr 28, 2015
blog

AlwaysOn Availability Groups and SQL Server Jobs, Part 22: Executing Backups

Ultimately, there are a number of ways that DBAs can regularly create backups of their databases. Some of the more common options for managing backups include:...More
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