Performance tuning done by adjusting database parameters or physical layout of the database.

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How fast should I expect to load data on a high performance computer?

I am considering a model where I use PostgreSQL COPY to copy data from a file into a table. I was wondering what kind of performance to expect on high-end hardware. An interval in MB/s would be nice ...
10
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3answers
736 views

Executing same request from C# VS SSMS give different execution time

I have a request like this one SELECT [EstimateId], [CreationUserId], [EstimateStatusValueId], [LanguageId], [LocationId], [EstimatorUserId], [FilterUnitSystemTypeId], [EstimateNumber], ...
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3answers
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AWR Report - Tuning Database

We have an OLTP system, following are our AWR reports taken during peak hour window for three days once each day. We see a lot of direct path reads; we want to add more PGA in-order to reduce wait ...
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4answers
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How can I tell WHY an insert on a certain table is slow?

I know that an INSERT on a SQL table can be slow for any number of reasons: Existence of INSERT TRIGGERs on the table Lots of enforced constraints that have to be checked (usually foreign keys) Page ...