Contents
How does a Database Engine Tuning Advisor work?
To start the Database Engine Tuning Advisor from the SQL Server Management Studio query editor
- Open a Transact-SQL script file in SQL Server Management Studio.
- Select a query in the Transact-SQL script, or select the entire script, right-click the selection, and choose Analyze Query in Database Engine Tuning Advisor.
What is index tuning in database?
Index tuning is part of database tuning for selecting and creating indexes. The index tuning goal is to reduce the query processing time. Index tuning involves the queries based on indexes and the indexes are created automatically on-the-fly.
What is SQL Tuning Advisor in Oracle 11g?
The SQL Tuning Advisor provides advice in the form of precise SQL actions for tuning the SQL statements along with their expected performance benefits. Oracle Database can automatically tune SQL statements by identifying problematic SQL statements and implementing tuning recommendations using the SQL Tuning Advisor.
How to start and use the database engine tuning advisor?
On the Start menu, point to All Programs, Microsoft SQL Server, Performance Tools, and then select SQL Server Profiler. In SQL Server Management Studio, select the Tools menu, and then select SQL Server Profiler. Create a trace file or table as described in the following procedures that uses the SQL Server Profiler Tuning template:
How to view tuning reports in database engine?
The tuning reports can be viewed by clicking the Reports tab as described in the following practice. Select the Reports tab in Database Tuning Advisor. In the Tuning Summary pane, you can view information about this tuning session. Use the scroll bar to view all of the pane contents.
Can a trace table be used in database engine tuning advisor?
Database Engine Tuning Advisor does not support using a trace table to which trace events are still being written as a workload. On the Database Engine Tuning Advisor GUI, you can tune a database by using the plan cache, workload files, or workload tables.
How to limit tuning time in database engine?
When you specify a constraint to limit tuning time (by using the -A option with the dta utility or by checking Limit tuning time on the Tuning Options tab), Database Engine Tuning Advisor may exceed that time limit to produce an accurate expected improvement and the analysis reports for whatever portion of the workload has been consumed so far.