Tag: tips

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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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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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Tips for using Merge Replication in SQL Server 2019 (Part 2)

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Tips for using Merge Replication in SQL Server 2019 (Part 2) Run the Snapshot Agent as infrequently as possible. The Snapshot Agent bulk copies data from the Publisher to the Distributor, which results in some performance degradation. So, try to schedule it during CPU idle time and slow production periods. Specify the -Validate parameter of the Merge Agent. This parameter...

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Tips for using Merge Replication in SQL Server 2019 (Part 1)

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Tips for using Merge Replication in SQL Server 2019 (Part 1) Consider setting the -MaxNetworkOptimization parameter of the Snapshot Agent to 1 to avoid sending irrelevant deletes to the Subscriber. Irrelevant deletes are DELETE commands that are sent to Subscribers for rows that do not belong to the Subscriber’s partition. The default value of the -MaxNetworkOptimization is 0. Setting -MaxNetworkOptimization...

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Tips for using views in SQL Server 2019

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Tips for using views in SQL Server 2019 Use views instead of heavy-duty queries to reduce network traffic. Using views instead of heavy-duty queries can reduce network traffic, because your clients will send to server only a simple query, such as SELECT * FROM VIEW_NAME (perhaps with some parameters), instead of large heavy-duty queries text. Consider using stored procedures instead...

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Tips for using stored procedures in SQL Server 2019

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Tips for using stored procedures in SQL Server 2019 Try to avoid using temporary tables and DDL (Data Definition Language) statements inside your stored procedure. Using temporary tables or DDL statements inside stored procedure reduces the chance to reuse the execution plan. Call stored procedure using its fully qualified name. The complete name of an object consists of four identifiers:...

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Tips for using DBCC commands in SQL Server 2019

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Tips for using DBCC commands in SQL Server 2019 Try to run the DBCC commands when there are no other disk I/O operations, such as disk backups, replication and so on. Use DBCC CHECKFILEGROUP instead of DBCC CHECKDB, if you need to check only specified filegroup, not entire database. If your database contains several filegroups and you need to check...

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