About Sybase ASE Soft and Hard DBCC Faults
Running the dbcc checkstorage command regularly can help you find faults before they become recovery issues. Learn more.
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Why and When to Use Sybase ASE Transaction Dumps
Sybase ASE transaction dumps can be very useful as an alternate to full database dumps. Learn more.
Read MoreAlways Update: The Importance of Updating Sybase Statistics
Out-of-date statistics can cause unexplained poor database performance. Learn why this happens, and how to keep your statistics current.
Read MoreUnderstanding How the SQL Server Resource Governor Works
The SQL Server Resource Governor enables DBAs to define resource limits and priorities for different workloads to help make performance consistent. Learn more.
Read MoreHow System Resources Affect SQL Server Performance
Learn how performance of the SQL Server database system depends on four main system resources: central processing unit (CPU), memory, disk I/O, network.
Read MoreHow the SQL Server Database Engine Affects Performance
The SQL Server Database Engine affects system performance primarily via the query optimizer and locks. Learn more.
Read MoreUsing SQL Server Plan Guides to Influence Query Execution
SQL Server plan guides allow you to use a particular optimization hint without changing the syntax of the SELECT statement. Learn how.
Read MoreUse SQL Server Optimization Hints with Caution
SQL Server optimization hints are optional parts in a SELECT statement that instruct the query optimizer to execute one specific behavior. Learn when to use them and why to use with caution.
Read MoreAbout SQL Server 2012 Query Processing–Plan Caching
The part of memory the SQL Server Database Engine uses to store compiled query plans is called the plan cache. Learn several ways in which you can influence execution plans.
Read MoreSQL Server 2012 Query Processing–Join Order Selection
The join operation is the most time-consuming operation in SQL Server query processing. Learn more.
Read MoreAbout SQL Server 2012 Query Processing–Index Selection
In the index selection phase of query processing, the SQL Server optimizer checks each search argument to see if there are indices in relation to the corresponding expression. Learn more.
Read MoreAbout SQL Server 2012 Query Processing–Query Analysis
During query analysis, the SQL Server optimizer examines the query for search arguments, the use of the OR operator, and the existence of join criteria, in that order. Learn more.
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