Basic Mongodb commands with example
Create collection (Tables)
(there is no create table command. 1st insert command will create
table(collection)
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db. student.
insert({name:"sadakar",state:"telangana",city:"hyderabad"});
To display the data from
collection
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db.student.find()
db.student.find().pretty()
To display the data in array
format (Case sensitive)
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db.student.find().toArray();
update
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1)full
document update i.e replace the document.
2)partial
update i.e, update record.
t.update({_id:100},{"_id":100,x:hello
world",y:123})
** id is the one of the key value and you cannot
update the id value.
Remove
==========
db.test.remove({_id:100})
db.users.remove({
"addr.city": "Lyon", registered: false })