How does the degree of parallelism in SQL Server work?
When an instance of SQL Server runs on a computer that has more than one microprocessor or CPU, the Database Engine detects whether parallelism can be used. The degree of parallelism sets the number of processors employed to run a single statement, for each parallel plan execution.
What are parallel execution plans in SQL Server?
SQL Server considers parallel execution plans for queries, index data definition language (DDL) operations, parallel inserts, online alter column, parallel stats collection, and static and keyset-driven cursor population.
How many cores does SQL Server 2012 use?
SQL Server 2012 Developer version should use all 8 cores. However if I run the following command inside of SQL query on SQL Server 2008 R2 Express it’s showing 4 cores. Am I using the right command to gauge the usage?
How to disable parallel execution in DBCC checktable?
In addition to queries and index operations, this option also controls the parallelism of DBCC CHECKTABLE, DBCC CHECKDB, and DBCC CHECKFILEGROUP. You can disable parallel execution plans for these statements by using trace flag 2528. For more information, see Trace Flags (Transact-SQL).
Are there any problems with SQL Server 2008?
The SQL Server Browser Service crashes in SQL Server 2008. The service pack configuration files are not up to date in SQL Server 2008. You cannot browse for a named instance of SQL Server 2008 Express that is installed on a Windows Vista-based computer.
What’s the difference between Transact-SQL print and raiserror?
RAISERROR supports character substitution similar to the functionality of the printf function in the C standard library, while the Transact-SQL PRINT statement does not. The PRINT statement is not affected by TRY blocks, while a RAISERROR run with a severity of 11 to 19 in a TRY block transfers control to the associated CATCH block.