Forum Replies Created

Viewing 15 posts - 7,066 through 7,080 (of 7,619 total)

  • RE: Exercises in t-SQL

    Eugene Elutin (11/30/2012)


    what do you mean by "mid-score"? Do you mean average or second largest score (from three possible ones)?

    The middle one. You're listing all the actual scores each...

    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: Exercises in t-SQL

    (Deleted, duplicate)

    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: Exercises in t-SQL

    Eugene Elutin (11/30/2012)


    mid_score --may be NULL if only one test taken

    low_score --may be NULL if only one or two tests taken

    Looks a bit illogical to me...

    I can see why...

    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: FKs and indexes

    PiMané (11/30/2012)


    ScottPletcher (11/29/2012)


    PiMané (11/29/2012)


    ScottPletcher (11/29/2012)


    When you create the nonclustered index on c2, explicitly specify c1 as a key after that.

    Then define the FK on (c2, c1) and you should be...

    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: Exercises in t-SQL

    Jeff Moden (11/29/2012)


    That's a good test question, Scott. The only thing I might change is requiring them to do it "in a single query". It's sometimes amazing what...

    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: FKs and indexes

    PiMané (11/29/2012)


    ScottPletcher (11/29/2012)


    When you create the nonclustered index on c2, explicitly specify c1 as a key after that.

    Then define the FK on (c2, c1) and you should be covered.

    if 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: How to use values keyword as parameter of a function

    FYI, I think you can touch-up the original function to get rid of the variable and the COUNT(DISTINCT):

    alter function AreEqual (@t as GenericTable readonly)

    returns bit

    as

    begin

    return (

    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: Exercises in t-SQL

    I use this q as extra credit for my students when I teach a SQL class.

    It came up in real life.

    This is not for an initial...

    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: field in a table that get's updated every time a record is updated

    No. SQL does not normally track that a row has changed.

    SQL will add columns that might be used to determine that when you specify certain things for a...

    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: FKs and indexes

    When you create the nonclustered index on c2, explicitly specify c1 as a key after that.

    Then define the FK on (c2, c1) and you should be covered.

    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: 2008 R2 performance issues (132 GB RAM, 80 CPU, 370 databases)

    You've got potential for serious issues on tempdb and log files especially::

    Tempdb should never be RAID6 because of its high write activity. Btw, same for log drives, for 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: pages

    Depends on how many bytes in table, and how long a row is.

    A SQL page is 8K, with 8060 total bytes available for data. Each row resides on a...

    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: Find all columns that might contain SSN numbers

    I'd wait to check numeric columns, because it's gonna be even more difficult to determine if the values are SSNs.

    As to [n][var]char, you do have some restrictions that help:

    1) column...

    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: Shrink database after archiving

    capnhector (11/26/2012)


    ScottPletcher (11/26/2012)


    Of course don't rebuild needlessly; check the stats and only rebuild those indexes that require it.

    Also, with a reasonably well-tuned tempdb, you should strongly consider using the:

    SORT_IN_TEMPDB =...

    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: Backup Overwrite

    Is the backup in a "safe" location, such as a SAN drive, that can survive if the server itself fails?

    If not, you need to copy the backup to an alternate...

    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 - 7,066 through 7,080 (of 7,619 total)