SQL Programmability & API Development Team Blog

All posts are AS IS, without any further guarantees or warranties.

Browse by Tags

Tagged Content List
  • Blog Post: How are GUIDs compared in SQL Server 2005?

    In general, equality comparisons make a lot of sense with uniqueidentifier values. However, if you find yourself needing general ordering, then you might be looking at the wrong data type and should consider various integer types instead. If, after careful thought, you decide to order on a uniqueidentifier...
  • Blog Post: Sorting undefined characters in Unicode and/or Windows collation

    When comparing two Unicode strings in non-binary collations, SQL Server uses a library that is essentially same as the Windows API CompareStringW. It defines a weight for each recognized character, and then use the weights to compare characters. However, not all code points are defined in the sorting...
  • Blog Post: Multiplication and Division with Numerics

    It can be surprising to see certain results when doing numeric arithmetic: declare @num1 numeric(38,10) declare @num2 numeric(38,10) set @num1 = .0000006 set @num2 = 1.0 select cast( @num1 * @num2 as numeric(38,10)) Yields: .0000010000 Instead of: .0000006000 Why? Well, Books Online...
  • Blog Post: Newsequentialid (Histrory/Benefits and Implementation)

    In general, we made significant improvements in SQL Server scalability during Yukon . One of the areas of improvement is replication scalability. While doing merge replication testing we found out that scaling was severely affected by high number of I/O operations. The cause of the problem was that new...
Page 1 of 1 (4 items)