Author: Alexander Chigrik

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SQL Server 2019 Profiler Optimization Tips

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SQL Server 2019 Profiler Optimization Tips SQL Server 2019 Profiler is a graphical user interface for monitoring an instance of the Database Engine or Analysis Services. SQL Server Profiler allows to capture and save data about each event to a file or table to analyze later. In this article, you can find some helpful tips to performance tune and optimize...

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Tips for using jobs in SQL Server 2019

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Tips for using jobs in SQL Server 2019 Consider using a centralized job server if you need to manage a large number of SQL Server jobs. Managing a large number of SQL Server jobs across a large enterprise environment can be very difficult. Centralized job server makes management easier by limiting the number of places you have to look to...

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Tips for using query hints in SQL Server 2019

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Tips for using query hints in SQL Server 2019 If your query is very slow, try the following before using query hints: – rebuild indexes used in the query (or defragment them using DBCC INDEXDEFRAG), – update statistics on the relevant tables, – consider creating new indexes for this query, – rewrite your query to provide better execution plan. Use...

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Tips for using table hints in SQL Server 2019

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Tips for using table hints in SQL Server 2019 If your query is very slow, try the following before using table hints: – rebuild indexes used in the query (or defragment them using the DBCC INDEXDEFRAG command), – update statistics on the relevant tables, – consider creating new indexes for this query, – rewrite your query to provide better execution...

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Tips for using data types in SQL Server 2019 (Part 2)

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Tips for using data types in SQL Server 2019 (Part 2) Use Table data type instead of temporary tables whenever possible. A Table data type is a special data type that used for temporary storage of a set of rows. In comparison with the temporary tables, table variables have some benefits. For example, table variables are cleaned up automatically at...

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Tips for using data types in SQL Server 2019 (Part 1)

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Tips for using data types in SQL Server 2019 (Part 1) Consider using Java data types. In SQL Server 2019 Java data types are currently supported for Input/Output data sets and Input/Output parameters. For example, you can execute a Java script by using the sp_execute_external_script system stored procedure. Use bigint data type, if you need to store integer data from...

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SQL Server 2019 Transact-SQL optimization tips (Part 2)

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SQL Server 2019 Transact-SQL optimization tips (Part 2) Try to avoid using the DISTINCT clause, whenever possible. The DISTINCT clause should only be used if you know that duplicate returned rows are a possibility. Because using the DISTINCT clause will result in some performance degradation, you should use this clause only when it is necessary. Consider using a MAXDOP option...

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SQL Server 2019 Transact-SQL optimization tips (Part 1)

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SQL Server 2019 Transact-SQL optimization tips (Part 1) Use table variables instead of temporary tables. Table variables require less locking and logging resources than temporary tables, so table variables should be used whenever possible. Try to avoid using SQL Server cursors, whenever possible. SQL Server cursors can result in some performance degradation in comparison with select statements. Try to use...

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Tips to work with SQL Server 2019 clustering

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Tips to work with SQL Server 2019 clustering Consider using SQL Server 2019 Big Data Clusters. SQL Server Big Data Clusters allow you to deploy scalable clusters of SQL Server, Spark, and HDFS containers running on Kubernetes. With Big Data Clusters you can read, write, and process big data from Transact-SQL or Spark. Set the performance boost for the foreground...

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Tips for using ASP.NET with SQL Server 2019

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Tips for using ASP.NET with SQL Server 2019 Use the SQL Server .NET data provider to access SQL Server 2019 data using ADO.NET. Because using the SQL Server .NET data provider provides better performance in comparison with other providers, you should use the SQL Server .NET data provider whenever possible. Try to avoid synchronous calling when developing ASP.NET applications. Synchronous...

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