CRUD operations indicates to the basic Insert, Read, Update and Delete operations. It is the most common requirement for any database how this will input and output. Today I want to share how to do CRUD operation with mongodb database, which is fast growing NoSQL Database. 1.) How to create or open any database in mongodb use <Database> 2.) How to list all collections show collections 3.) Read / find / search from documents all documents db.emp.find() where dept = CS db.emp.find({Dept:"CS"}) db.emp.find({"_id" : ObjectId("53eb50ab3bcd8479d0c302e3")}) Search name only db.EmpDetail.find ( { }, { name: 1 }) 3.) Search Documents Where dept = cs and parent is pradeep db.emp.find({Dept:"DOT", parent:"Avinash"}) 4.) Search Documents where Parent is Deepak or dept is java db.emp.find( { $or:[{parent:"Deepak"},{Dept:"java"}] } ) 5.) How to update to all users db.use...
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