Forum Replies Created

Viewing 15 posts - 6,826 through 6,840 (of 7,613 total)

  • RE: UNION vs OR --> NP-Complete Problem

    Eugene Elutin (2/7/2013)


    ScottPletcher (2/6/2013)


    No, I wouldn't use OR just because that makes a view updateable -- UPDATEs aren't typically done using views like that anyway.

    What is the problem with updateable...

    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: Performance Issue - understanding query plans

    nick.mcdermaid (2/6/2013)


    I took an uneducated guess and

    -Added a unique index to RowNum_Start

    -Removed the SRC_System join (I know I know, changing the requirements is cheating )

    and query time went...

    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: UNION vs OR --> NP-Complete Problem

    No, I wouldn't use OR just because that makes a view updateable -- UPDATEs aren't typically done using views like that anyway.

    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: If or case staement in a where?

    AND

    CASE WHEN @InfoKey = 5 THEN

    CLIENT_IDENTIFIER_TYPE.Code IN (028,029,030)

    ELSE

    CLIENT_IDENTIFIER_TYPE.Code = @Code

    END

    The "THEN" and "ELSE" parts of a CASE statement must evaluate to a single value. The value can...

    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 performance issue

    Is the "MS Dynamics Navision ERP" application running on the same box as SQL Server in prod?

    If so, I'd lower the fixed memory for SQL considerably.

    Even if not, I'd still...

    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: Changing Database Name But need to Alias the Old Name, Possible?

    Hmm, you could create a db with the new name, and create synonyms pointing back to the old db.

    But synonyms can only be used for these types of objects:

    Assembly (CLR)...

    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: Performance Issue - understanding query plans

    nick.mcdermaid (2/5/2013)


    OK, I have reposted an unsanitised query, the sqlplan file, the DDL, and a picture of part of the query plan.

    I can try clustering SE on RowNum_Start and RowNum_End...

    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: query tuning (PFA, execution plan and indexed view)- need help to enhance performance

    If possible, you need to get rid of the massive GROUP BY (and also reduce the number of expensive joins required); that means using a subquery on CDBF.

    I've taken my...

    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: Convert SQLS-float to formatet String

    CAST(CAST(CAST(ISNULL(char_value, 0) AS decimal(5, 2)) * 100 AS int) AS varchar(5))

    SELECT

    CAST(CAST(CAST(ISNULL(char_value, 0) AS decimal(5, 2)) * 100 AS int) AS varchar(5))

    FROM (

    SELECT...

    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: Error converting data type varchar to numeric

    Code below should take care of the 'C' type.

    The 'B' type is attempting to concatenate chars and numerics, which will always cause a conversion error, so it definitely needs changed...

    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: consecutive days count irrespective of weekends, holidays

    SELECT

    Studentid,

    MIN(dateid) AS First_Absence_Date,

    MAX(dateid) AS Last_Absence_Date,

    COUNT(*) AS Total_Consecutive_Absences

    FROM (

    ...

    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: Link server locking tables

    wnarretto (2/5/2013)


    Thank you Mr. Pletcher....

    yes the original code is doing a select into. Your answer is what i was suggesting but a coworker mentioned that their was a filter...

    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: Link server locking tables

    Are you doing a SELECT ... INTO?

    If so, that may hold schema locks for the entire duration.

    Instead, do an initial "dummy" SELECT ... INTO ... WHERE 1 = 0 to...

    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: conditionnal auto-increment

    Want a cool sig (2/5/2013)


    The link you are referring to is the first one in my signature. Unfortunately it doesn't do much good here because the OP is " in...

    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: Performance Issue - understanding query plans

    nick.mcdermaid (2/5/2013)

    2. HOW can I give SQL Server the clue that the ranges are mutually exclusive? There are no constraints that I can put on the table to indicate this.

    You...

    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 - 6,826 through 6,840 (of 7,613 total)