Forum Replies Created

Viewing 15 posts - 6,991 through 7,005 (of 7,598 total)

  • RE: Change column from NVARCHAR to VARCHAR...

    PiMané (12/18/2012)


    ScottPletcher (12/17/2012)


    Since you have to ALTER columns only one at a time (why, MS, why??), I'd create a new table and INSERT every row into it, converting every column...

  • RE: Change column from NVARCHAR to VARCHAR...

    Since you have to ALTER columns only one at a time (why, MS, why??), I'd create a new table and INSERT every row into it, converting every column at one...

  • RE: IF statement with subquery problem

    sp_MSforeachdb is convenient, but it has huge overhead and is probably overkill for what you need.

    You can use sp_executesql to return a value from dynamic SQL, albeit that it's not...

  • RE: Missing Indexes on Temp tables

    TheSQLGuru (12/16/2012)


    My statement about making "queries" faster is about the ENTIRE process. The act of populating a temp table with an index already on the temp table before data...

  • RE: Grouping by time - can't figure this out!

    If I understand correctly, maybe something like below.

    [Btw, as a general performance guideline, make sure the datatype of the time in the table exactly matches your list of times. ...

  • RE: Value of column dependent on the values of others. How can I do it . Please help !

    And don't forget about computed columns. You can make this a computed column, so you don't have to have the generating code in a trigger. Since it's a...

  • RE: Missing Indexes on Temp tables

    I disagree completely.

    I've repeatedly gotten huge performance gains sometimes by indexing temp tables properly. They are tables like any other table, after all. For large tables, I've seen...

  • RE: Need easy way to make 3 lines per child

    You could also use an INNER JOIN to a hard-coded table:

    select

    case parents.whichParent when 'father' then s.father when mother then s.mother else s.parent_guardian end,

    ...

  • RE: Finding combinations of values

    CELKO (12/14/2012)


    [ Yiikes, that's incredibly convoluted. What a royal pita to try to understand, much less change or debug later!!

    But it is fast and portable 😀

    On a more serious...

  • RE: Finding combinations of values

    CELKO (12/14/2012)


    .. Total failure.. Besides which, I believe my earlier post was the same idea, except coded correctly 🙂 .

    Yeah, it was awful! :crazy:

    What I wanted to do was...

  • RE: Need help with a query

    Sorry, I didn't have test data so I couldn't pre-test it myself.

    If you'll post some data as INSERT statements, I'll be happy to correct the query.

  • RE: Finding combinations of values

    GSquared (12/14/2012)


    CELKO (12/13/2012)


    My table structure

    Please read just one little book on SQL and RDBMS. Please, just one little book! This is not a table; it has no key;...

  • RE: Finding combinations of values

    CELKO (12/13/2012)


    My table structure

    Please read just one little book on SQL and RDBMS. Please, just one little book! This is not a table; it has no key; it...

  • RE: Need help with a query

    SELECT object_name, database_name, DATEPART(Week, event_time) AS EventWeek, SUM(sequence_number) AS [#TimesAccessed],

    DATEADD(HOUR, DATEDIFF(HOUR, 0, event_time), 0) AS [EventHour]

    INTO #EventHour

    FROM ...

  • RE: Query for a plus sign

    ScottPletcher (12/12/2012)


    CELKO (12/11/2012)


    In COBOL, the display and the internal format of data was the same. Each field had a PICTURE clause to define it. Your question makes sense only in...

Viewing 15 posts - 6,991 through 7,005 (of 7,598 total)