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...
Tag: dbcc
Troubleshooting problems with DBCC commands in SQL Server 2017
Troubleshooting problems with DBCC commands in SQL Server 2017 If you have problems with SQL Server 2017 DBCC commands, review this troubleshooting checklist to find potential solutions. 1. The error 2509 occurs when you run DBCC CHECKCONSTRAINTS command. This is the error message text: “DBCC CHECKCONSTRAINTS failed due to an internal query error”. To work around this problem, you can...
Useful Undocumented SQL Server 2017 DBCC Commands (Part 2)
Useful Undocumented SQL Server 2017 DBCC Commands (Part 2) In this article, you can find the description of some useful undocumented DBCC commands, and find out how you can use these commands in SQL Server 2017. 1. DBCC addinstance This DBCC command can be used to add an object instance to track in Performance Monitor. Syntax: DBCC addinstance (objectname, instancename)...
Useful Undocumented SQL Server 2017 DBCC Commands (Part 1)
Useful Undocumented SQL Server 2017 DBCC Commands (Part 1) In this article, you can find the description of some useful undocumented DBCC commands, and find out how you can use these commands in SQL Server 2017. 1. DBCC CONFIG This command shows the server’s level DS_CONFIG information. The DBCC CONFIG returns the same DS_CONFIG information as the DBCC RESOURCE returns,...
Some tips for using DBCC commands in SQL Server 2017
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...
Useful Undocumented SQL Server 2016 DBCC Commands (Part 2)
Useful Undocumented SQL Server 2016 DBCC Commands (Part 2) In this article, you can find the description of some useful undocumented DBCC commands, and find out how you can use these commands in SQL Server 2016. 1. DBCC errorlog This DBCC command can be used to truncate the current SQL Server log. You can use this command when you rarely...
Useful Undocumented SQL Server 2016 DBCC Commands (Part 1)
Useful Undocumented SQL Server 2016 DBCC Commands (Part 1) In this article, you can find the description of some useful undocumented DBCC commands, and find out how you can use these commands in SQL Server 2016. 1. DBCC addinstance This DBCC command can be used to add an object instance to track in Performance Monitor. Syntax: DBCC addinstance (objectname, instancename)...
Some tips for using SQL Server 2016 Database Console Commands
Some tips for using SQL Server 2016 Database Console Commands Consider using a MAXDOP option with the DBCC CHECKTABLE, DBCC CHECKDB and DBCC CHECKFILEGROUP. This option was first introduced in SQL Server 2016. By using a MAXDOP option with the DBCC CHECKTABLE, DBCC CHECKDB and DBCC CHECKFILEGROUP you can specify the degree of parallelism. If you don’t need to check...
Troubleshooting SQL Server 2014 Indexes (Part 1)
Troubleshooting SQL Server 2014 Indexes (Part 1) If you have problems with SQL Server 2014 indexes, review this troubleshooting checklist to find potential solutions. 1. Install the latest SQL Server 2014 service pack. Because many SQL Server 2014 indexes bugs were fixed in SQL Server service packs, you should install the latest SQL Server service pack. At the time this […]
Troubleshooting problems with DBCC commands in SQL Server 2014
Troubleshooting problems with DBCC commands in SQL Server 2014 If you have problems with SQL Server 2014 DBCC commands, review this troubleshooting checklist to find potential solutions. 1. Install the latest SQL Server 2014 service pack. Because many SQL Server 2014 DBCC bugs were fixed in SQL Server service packs, you should install the latest SQL Server service pack. At […]