and how you can use these commands in SQL Server 7.0 and 2000 for administering and monitoring. DBCC is an abbreviation forDatabase Console Command. DBCC commands are generally used to check the physical and logical consistency of a database, although they are also used for a variety of misce...
SQL Server 中的 DBCC(Database Console Commands)命令提供了一系列用于数据库管理和诊断的工具和功能。以下是一些常用的 DBCC 命令及其功能: DBCC CHECKDB: 用于检查整个数据库的物理和逻辑一致性。 sqlCopy Code DBCC CHECKDB ('MyDatabase'); DBCC CHECKTABLE: 检查指定表或索引的物理和逻辑一致性。 sqlCopy ...
is issued before each of the following DBCC examples in order to better demonstrate the effects of the command by displaying a trace of the output of the DBCC command. It is not actually required to run the DBCC commands examined below. If you run any of the DBCC commands below without th...
Currently, LOB column types (varbinary(max), varchar(max), and nvarchar(max)) in compressed columnstore segments are not affected by DBCC SHRINKDATABASE and DBCC SHRINKFILE. Understand concurrency issues with DBCC SHRINKFILE The shrink database and shrink file commands can lead to concurrency issues...
The shrink database and shrink file commands can lead to concurrency issues, especially with active maintenance such as rebuilding indexes, or on busy OLTP environments. When your application executes queries against database tables, these queries will acquire and maintain a schema stability lock (S...
This prevents blocking and concurrency problems when these commands are executed. For more information, see View the Size of the Sparse File of a Database Snapshot (Transact-SQL) and the DBCC Internal Database Snapshot Usage section in DBCC (Transact-SQL). If a snapshot can't be created,...
Currently, LOB column types (varbinary(max),varchar(max), andnvarchar(max)) in compressed columnstore segments are not affected byDBCC SHRINKDATABASEandDBCC SHRINKFILE. Understand concurrency issues with DBCC SHRINKFILE The shrink database and shrink file commands can lead to concurrency issues, especi...
Validates the Service Broker data in the database. This means that theDBCC CHECKALLOC,DBCC CHECKTABLE, orDBCC CHECKCATALOGcommands don't have to be run separately fromDBCC CHECKDB. For more detailed information about the checks that these commands perform, see the descriptions of these c...
Currently, LOB column types (varbinary(max),varchar(max), andnvarchar(max)) in compressed columnstore segments are not affected byDBCC SHRINKDATABASEandDBCC SHRINKFILE. Understand concurrency issues with DBCC SHRINKFILE The shrink database and shrink file commands can lead to concurrency issues, especi...
Validates the Service Broker data in the database. This means that theDBCC CHECKALLOC,DBCC CHECKTABLE, orDBCC CHECKCATALOGcommands don't have to be run separately fromDBCC CHECKDB. For more detailed information about the checks that these commands perform, see the descriptions of these commands. ...