The Method of Doing Performance Tune
Performance tuning is a highly complex subject as there are present various factors that are capable of affecting the performance of a database. For keeping things modest, you can notice some fundamental methods in which you will be able to optimize performance:
Recognizing higher cost queries – For tuning SQL code, you must recognize the higher cost queries. In place of optimizing all the lines of code, you need to concentrate on the highly used SQL statements. For doing this, you can utilize Oracle database monitoring tools.
Lessen the workload – A person can make a query in various ways and so, it becomes beneficial to write codes that lessen the workload. To minimize the stress to sustain a huge workload, a person can utilize indexes for accessing little sets of rows in place of processing the whole database simultaneously.
Utilize stateful connections – At times, the reason for poor performance does not become the code but the connection that goes on dropping between the database and application. You should always attempt to maintain a stateful connection for keeping the application and the database connected at all times.
Accumulate and preserve optimizer statistics – Optimizer statistics are considered data that does the job of describing a database besides its objects. The database uses these statistics for selecting the finest execution plan meant for SQL statements. It is important to collect and store optimizer statistics regularly for maintaining efficiency.
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