??????????????校??????????? SQL ?? NoSQL ???????????????????????????????????????????????????械??????????????
?????????锟�?
????SQL ?????:
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????·?????????????????????
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????·?????????屑?????????????????????????????
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????NoSQL ?????
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????·??????????????????????
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????·??貌???????????????霉娣�?????????
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????·????????????? – ???????????
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????·??? JSON ?????????
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????SQL ???????????????????????????????????????????????????????????NoSQL ???????????????????????????浠�?????????? ??????????????????????? ????????
????·SQL ???????????????????澹�????娣�?????????????????e?????????????????????
????·NoSQL ?????????????????????????????????e??????缃�???纾�???????????????????
?????些????????????????薪????????魏???????????械????????????娣�????????????????些?????????????????????????????????????????????谢???SQL??NoSQL?????????????????????效?妾�?????????????????????????????????????
?????????:?????????斜?
?????????????路??????????????????sql????????????????????????????????????????
????id (????ID)
????title (????)
????firstname ?????
????lastname ??????
????gender ?????
????telephone ???缍�??
????email ??????
????address1 ?????1??
????address2 ?????2??
????address3 ?????3??
????city ?????校?
????region ????/???
????zipcode ??????????
????country ()
?????????: ?????????????缍�??????????????????????????????????????????缍�??????????缍�???????卸?????????????——??些?????些???????????????????????????? telephone ????????????????????????????????????????????????????——??????????泻?????????????NULL??
????contact_id
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????number
???????????Email?????????????????????????????????? email ???
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????name (text such as home email?? work email?? etc.)
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????contact_id
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????address1
????address2
????address3
????city
????region
????zipcode
????country
????????????? contact ??????
????id
????title
????firstname
????lastname
????gender
?????????——????????????????????????????????缍�????Email ?????????????????????????……