Forum Replies Created

Viewing 15 posts - 4,381 through 4,395 (of 7,619 total)

  • RE: DATEADD shortcut

    Phil Parkin (3/17/2016)


    ScottPletcher (3/17/2016)


    Phil Parkin (3/16/2016)


    DATETIME is stored internally in SQL Server as the number of days since 1/1/1900 (the integer part) plus (I think) a decimal part representing the...

    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".

  • RE: DATEADD shortcut

    Phil Parkin (3/16/2016)


    DATETIME is stored internally in SQL Server as the number of days since 1/1/1900 (the integer part) plus (I think) a decimal part representing the number of 300ths...

    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".

  • RE: 0 is equal to zero length string. Can someone explain how this can be?

    Jeff Moden (3/16/2016)


    Sergiy (3/16/2016)


    Jeff Moden (3/16/2016)


    Lynn Pettis (8/6/2012)


    An empty string is not null, it is a known value (empty).

    I strongly agree. NULL is not NOTHING. NOTHING...

    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".

  • RE: Dropping primary key improves performance

    You need to review the indexes from scratch. That is, analyze SQL's index usage stats, missing index stats and index operational stats. The longer time period 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".

  • RE: Linked Server from Test to Production

    You can reduce the effect on production by using "WITH (NOLOCK)" on the reads, unless you need an absolutely accurate copy of the data in test. If so, you'd...

    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".

  • RE: Count of records in all tables, specify DB

    I suggest creating the proc in the master db and marking it as a "system" proc. It will then work within the context of the current db, whatever that...

    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".

  • RE: subtracting a case statement result from a Convert(char(8) result

    Maybe?:

    SELECT CONVERT(varchar(8), DATEADD(SECOND, DATEDIFF(SECOND, ISNULL(QueueDate, StartDate), EndDate), 0), 8)

    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".

  • RE: optimizing query

    If you decide to run it locally, clustering the tables to match the join logic will help:

    IF OBJECT_ID('tempdb.dbop.#RFI') IS NOT NULL

    DROP TABLE #RFI

    CREATE TABLE #RFI

    (

    COMMIT_NO CHAR(4),

    BODY_NO...

    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".

  • RE: How to improve performance of select statement in Dataware house app

    Does the clustering key start with Monthkey? And the partitioning key?

    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".

  • RE: Database Design Follies: NULL vs. NOT NULL

    kenambrose (3/10/2016)


    why do the same flawed arguments keep popping up?

    [[If you deal with a report and want all columns via left joins, then there will be nulls. ]]

    We don't know...

    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".

  • RE: Combine two working queries to get this month and last years this month numbers shipped

    For efficiency, the WHERE clause should include just the specific date ranges you need, rather than the entire year. Particularly if m1_KF.dbo.ShipmentLines is clustered first on smlCreatedDate (which it...

    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".

  • RE: Issue with CASE on Random Number

    Try using a CROSS APPLY to assign an alias to the random number:

    SELECT

    RowSequence AS CaseID

    ,DateSequenceas [CaseDate]

    ,random_number

    ,CASE random_number

    WHEN1THEN'Black'

    WHEN2THEN'White'

    WHEN3THEN'Red'

    WHEN4THEN'Blue'

    WHEN5THEN'Silver'

    WHEN6THEN'Grey'

    WHEN7THEN'Green'

    WHEN8THEN'Yellow'

    ENDas [VehicleColour]

    FROM #RowGen

    CROSS...

    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".

  • RE: Database Design Follies: NULL vs. NOT NULL

    Zidar (3/10/2016)

    Somewhere at the begginig it was said that rows in a table (tuples in a realtion) represent only TRUE propositions (declarations). If 'a piece of data is unknown' it...

    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".

  • RE: In a heap..

    Look at the missing index stats, index usage stats and index operational stats. SQL itself will help you determine the best clustered index, which should be your goal.

    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".

  • RE: Tables partition

    You'll get the most performance benefit by determining and implementing the best clustered index for that table, in this case very likely the date.

    But you might also gain some performance...

    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".

Viewing 15 posts - 4,381 through 4,395 (of 7,619 total)