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showing results for - "mongodb check if collection exists"
Natan
01 Jun 2020
1db.collectionNames(collName, function(err, names) {
2    console.log('Exists: ', names.length > 0);
3});
4
5// MongoDB 2.x:
6db.listCollections({name: collName})
7    .next(function(err, collinfo) {
8        if (collinfo) {
9            // The collection exists
10        }
11    });
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