compound index mongodb
db.collectionName.createIndex({field:value, field:value})
The order of fields listed in a compound index has significance.
For instance, if a compound index consists of { userid: 1, score: -1 },
the index sorts first by userid and then, within each userid value, sorts by score.mongodb index
db.collection.createIndex( { name: -1 } )Copyright © 2021 Codeinu
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