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the driver and the application separately. In addition to installing some of the necessary software, due to the needs of the work I have to install SQL Server 2005 and Visual Studio 2008, and then found a lot of problems, the following slowly, unfortunately, the process I did not cut out the picture, then write more words!! First install Visual Studio 2008
fragments an index can has is equal to the number of pages in the leaf level of the index. The fragments the more data is stored consecutively. Avg_fragment_size_in_pages Larger fragments mean this less disk I/O is required to read the same number of pages. Therefore, the larger the Avg_fragment_size_in_pages value, the better the range scan performance. Next Steps Review Identify Database fragmentation in SQL Ser
. EmployeesINTERSECTSELECTrow_number () Over(PARTITION bycountry, region, CityORDER by(SELECT 0), country, region, City fromSales.customers;Execution Result:Note In the above SQL, using order by in the over clause of the sort function (select withIntersect_all as( SELECTrow_number () Over(PARTITION bycountry, region, CityORDER by(SELECT 0)) asrownum, country, region, City fromHR. EmployeesINTERSE
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