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????(1) ????pg???
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????(2)????QL??????
??????oracle?????hint???????SQL????м????
??????postgresql??????????μ???????е???
???????set<option> to off/on;????????????????????:
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enable_seqscan???????????
enable_hashjoin?????????hash????
enable_nestloop?????????nestloop????
enable_mergejoin???????????????
enable_tidscan?????????tid??裨????oracle?е??rowid?????
enable_bitmapscan?????????bitmap???
enable_hashagg?????????hash??????????group by???
enable_indexscan?????????????
enable_sort?????????????
constraint_exclusion????????????
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???????????????????????漰???????????????????SPASVOС??(021-61079698-8054)?????????????????????????
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?????????????????????????Щ????????????????????TC???????????????Щ???????????????????????????????????????????????(java .net ?????)???mysql???????????????????ж????д???Python???????????????(DB2)??????BufferPool????????????????????????????????6??????????????????滮???????????????-????????SQL Server???????????????????λ?????PHP??SQL????????????????????Pythonд???NoSQL????????? SQL ?е????????????? SQL ?е?????????Java???????:?????MySQL???????
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?????????App Bug???????????????????????Jmeter?????????QC??????APP????????????????app?????е????????jenkins+testng+ant+webdriver??????????????JMeter????HTTP???????Selenium 2.0 WebDriver ??????
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