Difference between revisions of "MongoDB ObjectIds"
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| − | [[MongoDB_Workbook|MongoDB Workbook]] | + | [[Main Page]] >> [[MongoDB|MongoDB]] >>[[MongoDB_Workbook|MongoDB Workbook]] >> Object IDs |
| + | |||
| + | == Object IDs == | ||
| + | |||
| + | You may have noticed that the database creates an unique object for each document: | ||
| + | |||
| + | db.deptCollection.find().pretty() | ||
| + | |||
| + | Examine the output carefully and you will notice for each department in the collection something like: | ||
| + | |||
| + | <pre style="color:blue"> | ||
| + | "_id" : ObjectId("5808e3d2ec0ff55100af2649") | ||
| + | </pre> | ||
Revision as of 13:18, 21 October 2016
Main Page >> MongoDB >>MongoDB Workbook >> Object IDs
Object IDs
You may have noticed that the database creates an unique object for each document:
db.deptCollection.find().pretty()
Examine the output carefully and you will notice for each department in the collection something like:
"_id" : ObjectId("5808e3d2ec0ff55100af2649")
