Home Forums SQL Server 2008 T-SQL (SS2K8) Add variable number of rows into a table based on the values in another table (without cursors/while loops) RE: Add variable number of rows into a table based on the values in another table (without cursors/while loops)

  • March 20, 2013 at 1:29 pm

    #1599107

    Jeff Moden (3/20/2013)

    Lynn Pettis (3/20/2013)

    Sean Lange (3/20/2013)

    Sure this isn't too hard using a tally table.

    insert #y

    select #x.DocID, t.N

    from #x

    join tally t on t.N <= #x.pages

    select * from #y

    You can read about a tally table here. http://www.sqlservercentral.com/articles/T-SQL/62867/[/url]

    I'm starting to see a pattern with some of the posts. Looks like people are coming here to get their homework done. Anyone else seeing this?

    Yep... I'm thinking the instructor is going to make a mess in his britches when everyone turns in the Tally Table solution. Hopefully, the instructor learns something in the process. 😛

    LOL. I guess my "homework meter" has been temporarily disabled. It should be back online in the next few minutes.

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    Need to split a string? Try Jeff Modens splitter http://www.sqlservercentral.com/articles/Tally+Table/72993/.

    Cross Tabs and Pivots, Part 1 – Converting Rows to Columns - http://www.sqlservercentral.com/articles/T-SQL/63681/
    Cross Tabs and Pivots, Part 2 - Dynamic Cross Tabs - http://www.sqlservercentral.com/articles/Crosstab/65048/
    Understanding and Using APPLY (Part 1) - http://www.sqlservercentral.com/articles/APPLY/69953/
    Understanding and Using APPLY (Part 2) - http://www.sqlservercentral.com/articles/APPLY/69954/