TigerJason的专栏

Decode function in PL/SQL has the function with if-then-else in this language’s split mode. To use the function can reduce the times of scanning same records and connecting same tables.Totally,  it ca

As we know, performance testing is a creative part of software testing field. It may can improve software quality as well as its related components. Think about it, guys. Let's go a way about this kin

This item will discuss more about protocols about performance testing (LoadRunner as intance).We all know that protocols are cores of this type of testing. Before running one specific loading testing

When we talk about SQL optimization, we will fell afraid about it as it is a very senior job needing senior ones to do. But I will give the answer: NOT. Just raise up you courage and face it.     Ab

To continue with previous blog about SQL Optimization. How to do it better ,do need our effort on it for a long time. I just may provide some means to think about it. And I also want to exchange ideas

How to manually  do correlation?  I  will provide a sample to discuss this with net friends. Use web tours (loadrunner) as B/S application to demo this point. Step1:    just emulate scenario about