udhos/mongodb_index.md

Created November 18, 2021 15:27

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mongodb_index.md

db.person.getIndexes()

db.person.createIndex( { "personId": 1 }, { unique: true } )

	Index already exists with different options

db.person.dropIndex("personId_1")

db.person.createIndex( { "personId": 1 }, { unique: true } )

	could not create unique index: person index: personId_1

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