What is DBCC Checkdb command?
What is DBCC Checkdb command?
DBCC CHECKDB is the T-SQL command that checks the logical and physical integrity of all the objects in a specified database. Most DBAs probably don’t think twice about running DBCC CHECKDB regularly—until their databases start to get very large.
How do I run DBCC?
Run the “DBCC CHECKDB” query in Microsoft SQL Server Management Studio
- Start > All Programs > Microsoft SQL Server 2008 R2 > SQL Server Management Studio.
- When the Connect to Server Dialog Box comes up, click “Connect” to open up SQL.
- Click on the New Query option.
- Type “DBCC CHECKDB” in the New Query dialog.
How do I run a DBCC Checktable?
To perform DBCC CHECKTABLE on every table in the database, use DBCC CHECKDB. For the specified table, DBCC CHECKTABLE checks for the following: Index, in-row, LOB, and row-overflow data pages are correctly linked. Indexes are in their correct sort order.
Why do we use DBCC Checkdb?
DBCC CHECKDB can repair corruption if you specify the REPAIR_ALLOW_DATA_LOSS option. To repair FILESTREAM corruption, DBCC will delete any table rows that are missing file system data.
What does DBCC stand for?
DBCC
| Acronym | Definition |
|---|---|
| DBCC | Data Base Consistency Checks |
| DBCC | Data Base Console Command |
| DBCC | Daytona Beach Community College (Florida) |
| DBCC | Database Consistency Check (Microsoft SQL Server) |
Is DBCC CheckDB necessary?
Microsoft runs corruption checks in the background with your backups (This doesn’t mean CHECKDB isn’t needed. You should still be doing your DBA 101 tasks.)
What is DBCC CheckCatalog?
Description: DBCC CheckCatalog checks the catalog integrity for a given database. DBCC CheckCatalog is less intensive than DBCC CheckDB, as CheckCatalog checks that every data type in syscolumns has a matching entry in systypes and that every table and view in sysobjects has at least one column in syscolumns.
How do I automate DBCC Checkdb?
Automate the SQL Server DBCC CheckDB command using Maintenance Plans
- Specify the appropriate name of the maintenance plan.
- As shown in the following image, drag the Check Database Integrity Task from the maintenance plan toolbox and drop it on the Maintenance plan designer window.