??????????????У??????????? SQL ?? NoSQL ???????????????????????????????????????????????????е??????????????
?????????￡?
????SQL ?????:
????·????д洢???????????
????·?????????????????????
????·?????????????????????
????·?????????м?????????????????????????????
????·????????????????
????·????????????????????????????????????????????????
????·???????(???Щ???)
????·???????????????????
????·?????????????????????
????NoSQL ?????
????·?????????????洢?????? JSON ?????????-?
????·??????????????????????
????·???????淶?????????????????????????????????
????·??ò???????????????ù淶?????????
????·?????κ?????????????κ?????κε????????????
????·????????????? – ???????????
????·???????????????????
????·??? JSON ?????????
????·??????μ???????????????
????SQL ???????????????????????????????????????????????????????????NoSQL ???????????????????????????仯?????????? ??????????????????????? ????????
????·SQL ???????????????????壬????淶?????????????????e?????????????????????
????·NoSQL ?????????????????????????????????e??????罻???磬???????????????????
?????Щ????????????????н????????κ???????????е????????????淶????????????????Щ?????????????????????????????????????????????л???SQL??NoSQL?????????????????????Ч?檔?????????????????????????????????????
?????????:?????????б?
?????????????·??????????????????sql????????????????????????????????????????
????id (????ID)
????title (????)
????firstname ?????
????lastname ??????
????gender ?????
????telephone ???綽??
????email ??????
????address1 ?????1??
????address2 ?????2??
????address3 ?????3??
????city ?????У?
????region ????/???
????zipcode ??????????
????country ()
?????????: ?????????????綽??????????????????????????????????????????綽??????????綽???????ж?????????????——??Щ?????Щ???????????????????????????? telephone ????????????????????????????????????????????????????——??????????к?????????????NULL??
????contact_id
????name (?????????????????????????)
????number
???????????Email?????????????????????????????????? email ???
????contact_id
????name (text such as home email?? work email?? etc.)
????address
???????????????????????????????????λ????????????????????????????????????????????????????????????????μ? address ???
????contact_id
????name (text such as home?? office?? etc.)
????address1
????address2
????address3
????city
????region
????zipcode
????country
????????????? contact ??????
????id
????title
????firstname
????lastname
????gender
?????????——????????????????????????????????綽????Email ?????????????????????????……