Tag: DBCC DBREINDEX

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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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Some tips for using DBCC commands in SQL Server 2017

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Some tips for using DBCC commands in SQL Server 2017 Use the DBCC SHOW_STATISTICS command to displays the current distribution statistics for the specified target on the specified table. You can use this DBCC command to see how distributed the data is and whether the index is really a good candidate or not. Avoid using the DBCC SHOWCONTIG command. This...

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Tips for using indexes in SQL Server 2014 (Part 2)

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Tips for using indexes in SQL Server 2014 (Part 2) Create a clustered index for each table. If you create a table without clustered index, the data rows will not be stored in any particular order. This structure is called a heap. Every time data is inserted into this table, the row will be added to the end of the...

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Tips for using indexes in SQL Server 2014 (Part 1)

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Tips for using indexes in SQL Server 2014 (Part 1) Keep your indexes as narrow as possible. Because each index takes disk space try to minimize the index key’s size to avoid using superfluous disk space. This reduces the number of reads required to read the index and boost overall index performance. Use the WAIT_AT_LOW_PRIORITY option with ALTER INDEX statement....

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Troubleshooting problems with DBCC commands in SQL Server 2008 R2

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Troubleshooting problems with DBCC commands in SQL Server 2008 R2 If you have problems with SQL Server 2008 R2 DBCC commands, review this troubleshooting checklist to find potential solutions. 1. Install the latest SQL Server 2008 R2 service pack. Because many SQL Server 2008 R2 DBCC bugs were fixed in SQL Server service packs, you should install the latest SQL...

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