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???????????? ???????[ 2016/5/31 14:43:57 ] ??????????????? ???????
???????????????????????
????1.??д??????淶??????????淶???????????????????????
????2.???????????????????????????????д?????
????3.?????????????漲?????
????4.????????????????????????????
????5.??????????????????????á?
????6. ????????????????????漲
????7.????????????????????????????????????? ???????????????????漲?????????д???
????8.???????????????????????????????????????????漲?????????д???
????9.????????????????????????? ???????????????????漲?????????д???
????10. ?????????????????????й???? ???????????????????漲?????????д???
????11. ??鲼?????????????NULL??δ???塢0????FALSE???????????????????????????????????????漲?????????д???
????12. ?????????????????????????????????漲?????????д???
????13. ??齫???????????????????ASCII????????? ???????????????????漲?????????д???
????14. ??齫ASCII??????????????????????????????????????????????漲?????????д???
????15. ??鯔???????????????????????????????????????????????????????????????????漲?????????д???
????16. ??齫????????????????????????????????????????????漲?????????д???
????17. ??? /????? < С????? <= С?????? <>????????? = ??????? >????????? >=??????????and????????? not????????or????????????????????????漲?????????д???
????18. Null????????????????VO?????VO?????????" "????null???????????(??????????????)null??0
????19. ???????????????????????????????????????ж????????????????
????20. ??鵥???????ffloat(8λ)??????????double(16λ)??????Χ??????????
????21. ???С??λ??????????????淶
????22. ??????????????????????????????
????21. ????????????????????δ??????????Υ????????漲????????????????ú?????????
????22. ?????????????????????б?????????
????23. ?????????????????????ε???????????λ????????????????????????????????????????????
????24. ??????飺???????????????????????
????25. ??????飺??????????????????????????
????26. ??????????????????????????????????????????????
????27. ???????·???????????????????????·??????????????м???????·???????????????????????д??
????28. ????????????????????????????????????淶???????????????????
????29. ???????????????????????????????????????б?????????з???????????????
??????
???·???
??????????????????
2023/3/23 14:23:39???д?ò??????????
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2021/9/17 15:19:29???·???????·
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