Indexing

Indexing
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Sample query ->

db.users.find({"age":{$lt:23}})


Execution plan ->

db.users.find({"age":{$lt:23}}).explain("executionStats")

Create Index on Age ->

db.users.ensureIndex({"age":1})


List index ->

db.users.getIndexes()

Drop index ->

db.users.dropIndex({"age":1})