Topics tagged indexes

Topic	Replies	Views	Activity
Index Intersection and MongoDB 7 Working with Data queries , indexes	2	1622	September 16, 2025
Does a MongoDB multikey index return duplicate parent documents if multiple array elements match? Working with Data queries , aggregation , indexes	0	154	September 15, 2025
Both (range, range) query versus (equality, range) query use compound index equally efficiently. Why? Working with Data queries , aggregation , indexes	0	161	September 11, 2025
Logical Storage of the mongo cluster Ops and Admin indexes , storage	1	249	September 10, 2025
Can MongoDB use fields after a range condition in a compound index? Working with Data queries , aggregation , indexes	0	141	September 9, 2025
Does MongoDB update an index when array elements are only reordered? Working with Data queries , aggregation , indexes , data-modeling , crud	2	342	September 8, 2025
Should a low-cardinality field like gender (only 2 values) be included in a MongoDB compound index? Working with Data queries , aggregation , indexes	0	187	September 8, 2025
In MongoDB, is there a performance difference between $in covering all possible values vs leaving the field out in a compound index? Working with Data queries , aggregation , indexes	0	168	September 8, 2025
In compound index, are missing in-between fields always translated to [MinKey, MaxKey] and is index usage guaranteed if the leading field is present? Working with Data queries , aggregation , indexes	0	168	September 8, 2025
In MongoDB, which field order is best for a compound index when mixing $in and equality conditions? Working with Data queries , aggregation , indexes	0	175	September 8, 2025
How to estimate the average base of the logarithm for a MongoDB index lookup? Working with Data queries , aggregation , indexes	0	134	September 6, 2025
Is a 15-field compound index feasible or a red flag? Working with Data queries , aggregation , indexes	0	189	September 4, 2025
Does MongoDB skip index updates if a field is set to its current value? Atlas Search queries , aggregation , indexes , crud , storage	5	476	August 28, 2025
Building a 4-field compound index on a 1.2B documents collection (MongoDB 7.0.20): expected impact on cluster? Working with Data indexes , performance , replication , compass	0	154	August 28, 2025
Why does MongoDB use B-Tree instead of B+Tree for indexing? Atlas Search indexes	2	687	August 27, 2025
Autocomplete operator to search string which contains special characters MongoDB Atlas indexes , atlas-search	8	3804	August 18, 2025
Q. MongoDB Index Size Diff (4.2 vs 6.0) Working with Data indexes	0	137	August 6, 2025
Mongodb duplicate Unique index value Working with Data indexes	16	833	July 24, 2025
Index Usage Data Unavailable in Compass Working with Data indexes , compass	2	463	July 3, 2025
Strange Compound Index Size Ops and Admin indexes , replication , storage	0	143	July 3, 2025
Advice and Good Practice regarding lookup/match operation Working with Data aggregation , indexes , node-js	2	445	June 25, 2025
New Skill Badges Live! MongoDB University indexes , sharding , devops-for-genai	1	174	August 23, 2025
Is there a way to force MongoDB to filter first, then apply text search to that subset? Atlas Search queries , indexes , ruby , text-search , atlas-search	2	242	June 18, 2025
MultiKey Index (Wildcard) not used in range query MongoDB Atlas queries , aggregation , indexes , performance	0	217	May 23, 2025
Unique Sparse Compound Index MongoDB Server Development indexes	0	194	May 4, 2025
Query with $or clauses does not pickup optimal index Working with Data queries , indexes	4	328	April 7, 2025
Index not used properly on aggregation with $or Working with Data aggregation , indexes	2	353	April 4, 2025
Return sorted array elements in some field Working with Data indexes	3	424	April 2, 2025
Why doesn't the compound wildcard index work as expected? Working with Data queries , indexes , crud	0	201	March 31, 2025
UI & Backend Libraries for Effortless MongoDB Atlas Search Integration? Atlas Search indexes , node-js , react-native , atlas-search , react-js	2	383	March 18, 2025