Viewing 15 posts - 2,566 through 2,580 (of 7,619 total)
I've had to use "extension" tables here a few times too, for various reasons.
If you have an identity column present, do remember / be aware of the issues...
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".
December 30, 2019 at 4:52 pm
I've had to use "extension" tables here a few times too, for various reasons.
If you have an identity column present, do remember / be aware of the issues with SCOPE_IDENTITY()...
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".
December 30, 2019 at 3:19 pm
For (1), you could add a column to the table itself to store the original login name there too (or, far better to save space, an id (that you assign)...
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".
December 27, 2019 at 8:40 pm
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".
December 27, 2019 at 7:16 pm
2. ... Current trigger technology won't even directly allow the saving of LOB columns because the LOB values don't show up in the INSERTED/DELETED logical tables in standard DML...
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".
December 27, 2019 at 6:25 pm
Great article, very interesting and thought provoking.
Thanks again for taking the time to post this.
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".
December 24, 2019 at 3:38 pm
To give the best chance of using minimal logging, be sure to lock the table that is being INSERTed into:
...
INSERT INTO dbo.B WITH (TABLOCK)
...
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".
December 24, 2019 at 3:34 pm
That's an extraordinarily complex task when you really look into the more difficult cases, with honorifics (Dr., etc.), suffixes (III, IV) and so on.
I would do this process one time,...
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".
December 23, 2019 at 11:03 pm
Or this:
SELECT lastName, LEFT(lastName, 5) AS lName FROM myTable
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".
December 23, 2019 at 7:57 pm
SELECT SUM(Expenses) AS Expense, Vendor, MAX(UploadDate) AS UploadDate
FROM dbo.a_table
GROUP BY Vendor
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".
December 19, 2019 at 7:30 pm
If it's not Azure, i.e. you have access to the master db, create a proc in the master db and you can use it from any db and it will...
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".
December 19, 2019 at 3:29 pm
You don't have a FROM clause in the subquery, so it's not really a valid subquery, even if the "Z" alias is defined somewhere else in the query.
You'd be better...
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".
December 18, 2019 at 7:32 pm
declare @minutes_interval int
set @minutes_interval = 15 /*or 10 or 60 or whatever*/
select
dateadd(minute, datediff(minute, 0, starttime) / @minutes_interval * @minutes_interval, 0),
...
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".
December 18, 2019 at 3:43 pm
Based on the extremely limited info so far, I would say this is likely the (very) rare case where you should leave the main table as a heap and create...
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".
December 17, 2019 at 8:36 pm
Datetimes are char data when inputting to SQL Server. As long as the value is valid, don't specify your own CAST or CONVERT, let SQL do it implicitly.
If you have...
SQL DBA,SQL Server MVP(07, 08, 09) "It's a dog-eat-dog world, and I'm wearing Milk-Bone underwear." "Norm", on "Cheers". Also from "Cheers", from "Carla": "You need to know 3 things about Tortelli men: Tortelli men draw women like flies; Tortelli men treat women like flies; Tortelli men's brains are in their flies".
December 16, 2019 at 8:59 pm
Viewing 15 posts - 2,566 through 2,580 (of 7,619 total)