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## Scaled-down SQL

 Author Message Duncan Pryde SSCertifiable Group: General Forum Members Points: 5398 Visits: 1552 Comments posted to this topic are about the item Scaled-down SQL bitbucket-25253 SSC-Dedicated Group: General Forum Members Points: 34937 Visits: 25280 Excellent question and a more than excellent explanation of why the correct answer is what it is.Thanks - If everything seems to be going well, you have obviously overlooked something. RonPlease help us, help you -before posting a question please read Before posting a performance problem please read Duncan Pryde SSCertifiable Group: General Forum Members Points: 5398 Visits: 1552 bitbucket-25253 (3/20/2011)Excellent question and a more than excellent explanation of why the correct answer is what it is.Thanks - high praise indeed! I must mention though, that when trying to decide how to format the explanation, I came across this excellent post from SQL Kiwi (Paul White?) - which helped me considerably to come up with a clearer and more concise one than I would have done otherwise. tilew-948340 SSCommitted Group: General Forum Members Points: 1957 Visits: 2437 I am sorry, but I realy, realy don't understand why D is not good, even if I do your formula. Why is so that D would have a truncate answer and not C? I mean, both have a precision of 51 and only the scale is different (3 more digit more for C), which might explain something if you could explain my question here:If I declare D as precision of 23 instead of 25 and still having a scale of 10DECLARE @value1D DECIMAL(23,10), @value2D DECIMAL(23,10)it is still a precision over 38, and the scale is still 20 as previous, but the answer is not truncateWhy??? UMG Developer SSCertifiable Group: General Forum Members Points: 7258 Visits: 2204 Thanks for the question, it really does show why we need to pay close attention to the data types we use. Nakul Vachhrajani SSCertifiable Group: General Forum Members Points: 5511 Visits: 2155 Excellent question, with an excellent (If I may dare say, better than BOL) explanation!Have a wonderful day! Thanks & Regards,Nakul Vachhrajani.http://nakulvachhrajani.comBe courteous. Drive responsibly.Follow me on Twitter: @sqltwinsGoogle Plus: +Nakul Koen Verbeeck SSC Guru Group: General Forum Members Points: 146368 Visits: 13350 Nice question, but a tough one for a Monday :-) How to post forum questions.Need an answer? No, you need a question.What’s the deal with Excel & SSIS?My blog at SQLKover.MCSE Business Intelligence - Microsoft Data Platform MVP Christian Buettner-167247 SSCrazy Eights Group: General Forum Members Points: 8537 Visits: 3889 Very good question, indeed. +++ Best Regards,Chris Büttner Carlo Romagnano SSChampion Group: General Forum Members Points: 12388 Visits: 3517 Unbelievable, but true!Thank you for qotd and a clear explanation! paul s-306273 SSCertifiable Group: General Forum Members Points: 5589 Visits: 1275 Good question - an area often overlooked by developers.

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