Function Based Indexes in PeopleSoft
Those who have not comes across performance issues in PeopleSoft, especially PeopleSoft on Oracle might not be aware of this thing called performance issues due to function based indexes. PeopleSoft has given a lot of headache to Oracle database engineers as well as customers when it comes to function based indexes. By definition, a function-based […]
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Which is the Best Browser to run PeopleSoft on?
It has been quite a few years that I completely switched over to Firefox and Chrome. I don’t not even remember how the IE performs. Though I’ve read that IE has improved a lot over the years, I was happy sticking to Firefox and Chrome. I was working with a user on performance issues when […]
Continue readingSQL Profiles in Oracle
Oracle Databases have an interesting concept called SQL profiles. A SQL profile is a set of information for the optimizer, which is specific to a SQL statement. Conceptually, a SQL profile is to a SQL statement what statistics are to a table or an index. The database can use this information to improve execution plans. […]
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PeopleSoft Performance Benchmarks
Performance is one aspect, which can never satisfy a person on. It is just not enough to keep improving the performance. Oracle understands this and regularly releases Benchmark papers on the same. Advantage of using these benchmarks is that the benchmarks show a level of acceptable performance and you can tune your application to meet […]
Continue readingEnabling 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 […]
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