Difference between revisions of "MongoDB CreateCollection"
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show collections | show collections | ||
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You can, however, create one and set some options: | You can, however, create one and set some options: | ||
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Which should return: | Which should return: | ||
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db.createCollection('deptCollection', {max: 20}) | db.createCollection('deptCollection', {max: 20}) | ||
{ "ok" : 1 } | { "ok" : 1 } | ||
Revision as of 15:29, 20 October 2016
Main Page >> MongoDB >>MongoDB Workbook >> Create Collections
Create a Collection
If a collection does not exist, MongoDB will automatically create the collection when you first store data for that collection.
When you first use MongoDB you will find you have no collections:
show collections
You can, however, create one and set some options:
db.createCollection('deptCollection', {max: 20})
In this case we are going to limit our collection to hold a maximum of 20 documents.
To check this has been created:
show collections
Which should return:
db.createCollection('deptCollection', {max: 20})
{ "ok" : 1 }
Next Step
Inserting data into the collection
