Forum Replies Created

Viewing 15 posts - 136 through 150 (of 521 total)

  • RE: Duplicate value in Identity column

    ziangij (8/15/2010)


    good one... duplicates can only be avoided by having a constraint in place...

    ...or by having a unique index in place.

  • RE: How many partitions?

    jeff.mason (8/13/2010)


    Christian Buettner-167247 (8/13/2010)


    Hi,

    I was not sure about the history data. Although the QOTD specified that an average of 20000 rows per month were imported, it did not tell you...

  • RE: How many partitions?

    Hi,

    I was not sure about the history data. Although the QOTD specified that an average of 20000 rows per month were imported, it did not tell you that all months...

  • RE: Distinct clause in Select statement

    Nice question, but I think the answer is a little unclear.

    The important thing to note is that the parentheses of the example do not have anything to do with the...

  • RE: PRINT vagaries

    You are welcome, Open Minded

  • RE: PRINT vagaries

    Hi Openminded,

    I am not sure what your question is. But here is a transformation of the selects you gave which might be helpful to you.

    Just remember that the unary plus...

  • RE: PRINT vagaries

    Open Minded (7/1/2010)


    I think MDAS is also followed when there are a bunch of operators between numbers. I guess 'select 6+2+-+7' became 1 happened in this manner:

    • . 6+2+-+7...

  • RE: PRINT vagaries

    powell_todd (6/30/2010)


    What I'm not quite getting is why "PRINT 6 + 2 + + 7" produces 15, instead of some kind of arithmetic error. I don't think I could...

  • RE: PRINT vagaries

    kimetch (6/30/2010)


    I was surprised to find that '-' converts to 0. I expected the print statement would have producted "Conversion failed when converting the varchar value '-' to data...

  • RE: PRINT vagaries

    Nice question, but this is not a "PRINT vagary". Instead this is just how type conversion works (http://msdn.microsoft.com/en-us/library/ms190309.aspx).

    SELECT @lenStringArray + '-' + @lenDelimiter

    behaves the same way, because int (@lenStringArray &...

  • RE: "SELECT @local_variable"

    ziangij (6/25/2010)


    since there is only one column, why is this working as well ?

    SELECT @t = @t + @comma + a.a

    ,@comma = ','

    FROM #a a

    ORDER BY...

  • RE: "SELECT @local_variable"

    rajesh.subramanian (6/25/2010)


    Good Question.

    SELECT @t = @t + @comma + a.a

    ,@comma = ','

    FROM #a a

    ORDER BY 1

    Result : C

    SELECT @t = @t + @comma + a.a

    ...

  • RE: How many Records Will Get Selected

    Hm, looks like I misinterpreted the intention of the author.

    My assumption was, that the question was about whether an error in one of the INSERT operations aborts the full batch....

  • RE: Bulk-Logged Mode

    Professional question & answer.

    Good start into the day.

  • RE: HAVING

    High quality, thats what I like in the mornings - Thanks Hugo!

  • Viewing 15 posts - 136 through 150 (of 521 total)