?????????????????????????????????з?????????????????????С????????磬??????????????????м????????????????????????ó???????á???????????????Щ???е??????
?????????
?????????????洢
????License?????
????BerkeleyDBrelational?? objects?? key-value pairs?? documentsAGPL 3.0Android?? iOS
????Couchbase LitedocumentsApache 2.0Android?? iOS
????LevelDBkey-value pairsNew BSDAndroid?? iOS
????SQLiterelationalPublic DomainAndroid?? iOS?? Windows Phone?? Blackberry
????UnQLitekey-value pairs?? documentsBSD 2-ClauseAndroid?? iOS?? Windows Phone
????1. Berkeley DB
????Berkeley DB ???????? Sleepycat Software ???????????????????????????????????????? Oracle ????????????ó?????????????????????????????????????????????
????Berkeley DB??BDB?????????Ч??????????????C?????C++??Java??Perl??Python??Tcl ??????????????????????? API??Berkeley DB ?????????????????/????Key/Value Pair????????????????????????????Berkeley DB ??????????????????????????????? 256TB ??????????????????????????а?????????? Unix ????????Windows ???????????????????
????2. Couchbase Lite
????Couchbase Lite ???????????????????????????????????????????????????????? JSON ?????????????????????????￡??????????????????????г?Ч????????????????????’??????’???????????Э???? ?罻???????????????????
????3. LevelDB
????LevelDB ?? Google ?????????? Key/Value ?洢???棬?????? C++ ??д???????????????д????????????д?????????
???????? LevelDB ?????????ο?????????????????Leveldb ????????? LevelDB ????????????????????????? LevelDB ????????????????汾? LevelDB 1.7.02??
????LevelDB ?洢?????? SSTable ?? MemTable?????????????洢?????豸???????λ????????????(?? LevelDB ???????? MemTable?????????д?? MemTable????????????????????? MemTable)?????????? SSTable ???????????
????4. SQLite
????SQLite ????????????????????????????????????á????????? SQL ????????檔 ??????????Я????÷???????????Ч??????? ?????????????????????SQLite ?????????з????????????????? - ????? SQLite ???????????????????????????????????????????????????????????????????????????SQLite ?????????
????5. UnQLite
????UnQLite ????? Symisc Systems ???????????????C????????????????????????????????????????á???????NoSQL ????????檔UnQLite?????????洢??????????? MongoDB??Redis??CouchDB ?????????????????? Key/Value ?洢???? BerkeleyDB ?? LevelDB ???????
????UnQLite ?????????NoSQL????/??洢??????洢??????????檔???????????????? NoSQL ?????UnQLite ??????????????????????UnQLite ????/д??????????????????????????????????????????洢?????????????С??????????????????????????32λ??64λ???????С??????????????????????