More Related Content Similar to Mongodb T.ARIFA BEGUM II-M.SC.,COMPUTER SCIENCE BON SECOURS COLLEGE FOR WOMEN (20) Mongodb T.ARIFA BEGUM II-M.SC.,COMPUTER SCIENCE BON SECOURS COLLEGE FOR WOMEN5. WHATISMONGODB?
MongoDBis
Crossplatform.
Opensource.
Nonrelational.
Distributed.
NoSQL.
Documentorienteddatasource.
NoSQLtools=itdoesnothaverowsandcolumnsforstoringdatalike
RDBMS.
Architecture=builtoncollectionsofdocuments.
Basicunitofdata=setofkey-valuepairs.
20. SHARDING
LARGEDB SMALLsubdividedDB.
Itreferstohorizontalscaling.
Itmeansalargedatabaseordatasetaresubdividedanddistributedintosmall
piecesovermultipleserversorshards.
Eachshardisanindependentdatabaseandcollectivelytheywouldconstitute
alogicaldatabase.
Theprimeadvantageofshardingis,
Shardingreducestheamountofdatathateachshardneedtomanageand
store.
ShardingreducestheNo.Of.operationsthateachshardhandles.
28. Timestamp -Torecordwhenadocumenthasbeenmodifiedoradded.
Null -Tostoreanullvalue.(null=missingorunknownvalue).
Date -Tostorethecurrentdateortimeformat.
ObjectID -Tostorethedocument’sid.
Binarydata-Tostorebinarydata(images,binaries,etc.,).
Code -Tostorejavascriptcodeintothedocument.
Regularexpression-Tostoreregularexpression.