Enabling Automated SQL Tuning in Oracle 11g
You need to identify if Automatic SQL Tuning job is enabled and regularly running. Use the following query to determine if any Automatic SQL Tuning jobs are enabled: SELECT client_name, status, consumer_group, window_group FROM dba_autotask_client ORDER BY client_name; If the Automatic SQL Tuning job is enabled, you will see something like this: […]
Continue readingHow to Identify User and SQLs in an Oracle database?
This is a very common scenario for a DBA to be in a situation where a DBA needs to find out one of the following: Which user is running which SQL? A particular SQL is being run by which user? A particular user is running which SQL? As it is evident from these questions – […]
Continue readingAutomated SQL Tuning in Oracle 11g
Oracle Database 11g made it easier for the less experienced to have a shot at SQL tuning, which was earlier considered to be a bastion for veteran SQL tuners. A typical Oracle SQL tuning process had the following steps: Identification of high-resource SQL statements and bottlenecks Generating and interpreting execution plans Extracting data from the […]
Continue readingPeopleSoft Performance Tuning Using OEM
PeopleSoft Admins or PeopleSoft DBAs or Oracle DBAs know the importance of finding, analyzing, and correcting resource-intensive SQL statements. Those shops which run PeopleSoft on Oracle can make use of Oracle Enterprise Manager (OEM) in isolating and analyzing troublesome SQL statements. Using OEM, a DBA can quickly discover the SQL statements most responsible for performance degradation and then drill […]
Continue readingHow to Find Expected Time of Completion of an Oracle Query
Especially in case of poorly performing SQLs, all eyes are on the SQL and we’re eager to see when the SQL would complete. Upon completion, we can view the statistics and find ways to improve it. Wouldn’t it be better if there was a way to find the expected time of completion of an Oracle […]
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