Author: Alexander Chigrik

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

Tips for using Transactional Replication in SQL Server 2019 (Part 1) Try to keep transactions as short as possible. Because SQL Server send changes from the Publisher to Subscriber as INSERT, UPDATE, and DELETE statements you should keep transactions as short as possible to help the Distribution Agent to transfer transactions through the network. By the way, keeping transactions as…...

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

Tips for using Snapshot Replication in SQL Server 2019 (Part 2) Consider locating both the publisher and the distributor on the same physical server. You can place the publisher and the distributor on the same physical server when the publisher server can perform the distribution tasks without any performance problems. By the way, using a separate SQL Server for the…...

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

Tips for using Snapshot Replication in SQL Server 2019 (Part 1) Snapshot replication is a simplest type of replication. With this kind of replication, all replicated data (replica) will be copied from the Publisher database to Subscriber/Subscribers database on a periodic basis. Snapshot replication is best used as a method for replicating data that modified infrequently and when the size…...

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Tips for using views in SQL Server 2019

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

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

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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Tips for using temporary tables in SQL Server 2019

Tips for using temporary tables in SQL Server 2019 Try to avoid using temporary tables inside your stored procedure. Using temporary tables inside stored procedure reduces the chance to reuse the execution plan. 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…...

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Tips for using Very Large Databases in SQL Server 2019

Tips for using Very Large Databases in SQL Server 2019 Avoid using SQL Server Management Studio to maintain Very Large Databases. Because using SQL Server Management Studio is very resource expensive, use stored procedures and Transact-SQL statements, in this case. For heavily accessed table with text/image columns, place this table in one filegroup and place text/image columns in a different…...

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Tips for using linked servers in SQL Server 2019

Tips for using linked servers in SQL Server 2019 Rewrite remote queries so, that the most work will be performed on the remote server, not the local server. You can run the remote query from Management Studio and take a look at the query plan to find out which parts of the remote query are performing on the remote server…...

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Tips for using indexed views in SQL Server 2019

Tips for using indexed views in SQL Server 2019 Avoid creating indexes on a view when the queries that use the view don’t contain JOINs or aggregations. In this case, the queries will not take advantages of the view’s indexes and the queries performance will be the same. Don’t create index on column(s) which values has low selectivity. For example,…...

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