Master MongoDB Index Management: Create, List, and Delete Indexes Quickly
This guide shows how to manage MongoDB indexes, covering creation with ensureIndex, listing with getIndexes, checking total index size, reindexing, and removing specific or all indexes using dropIndex and dropIndexes, complete with code snippets and illustrative screenshots.
Create Index
db.collectionName.ensureIndex({ name:1});db.collectionName.ensureIndex({ name:1, ts:-1});List All Indexes
db.collectionName.getIndexes();
View Total Index Size
db.collectionName.totalIndexSize();
Reindex Collection
db.collectionName.reIndex();
Delete Specific Index
db.collectionName.dropIndex("name_1");
Delete All Indexes
db.collectionName.dropIndexes();
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