I have some big size tables which have millions of records, I want to get count of records quickly. Someone tell me that I can use Rows field in...
first, sorry for my poor English. [:I] Others often tell me that shall use less trigger because trigger may cause performance problem. Anyone can...
I wonder there are tools/scripts/tricks to simulate accessing/modifing database by multi-user to estimate the concurrent performance. e.g. to test...
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