A query execution/explain plan AKA execution plan is an ordered set of steps used to access data in a SQL Server. It’s basically a map that SQL Server is drawing to the shortest ideally the most efficient path to the data in our database. Such a plan is created when a query is acc...
Performance is a big deal and this was the opening line in an article that was written onHow to optimize SQL Server query performance. The initial article shows not only how to design queries with the performance in mind, but also shows how to find slow performance queries and how t...
In this blog, we highlighted the SQL query optimization to improve application performance. We divided it into few section to optimize query.
Summary: You can use SQL Query Analyzer to examine the query execution plan of Transact-SQL (T-SQL) queries. This How To describes how to optimize T-SQL queries by using SQL Query Analyzer, and discusses how to analyze the individual steps contained in an execution plan....
By avoiding SELECT DISTINCT and using GROUP BY instead, you can optimize SQL queries and reduce the total query time from 198 to 62 msec which is more than 3 times faster. Avoid Using Loops Loops might cause your query to be slower since they force the database to go through the records...
原始SQL Server Data Tools (SSDT) 需要專案檔中的額外內容,才能偵測 Visual Studio 安裝。 SDK 樣式 SQL 專案中不需要這些行,並且可以移除: XML 複製 <PropertyGroup> <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">11.0</VisualStudioVersion> <!-- Default to th...
Overview What You Must Know Summary of Steps Step 1. Use SQL Profiler to Capture Data Step 2. Use the Index Tuning Wizard to Select the Correct Indexes to Build Step 3. Use SQL Query Analyzer to Optimize Queries and Indexes Step 4. Defragment Indexes Additional Resources...
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Overview What You Must Know Summary of Steps Step 1. Use SQL Profiler to Capture Data Step 2. Use the Index Tuning Wizard to Select the Correct Indexes to Build Step 3. Use SQL Query Analyzer to Optimize Queries and Indexes Step 4. Defragment Indexes Additional Resources...
Offers suggestions on how to optimize Microsoft's SQL Server software speed. Includes the creation of separate devices for databases, indexes and logos; Use of Stored Procedures whenever possible to take advantage of precompilation; Updating of statistics periodically.Wonnacott...