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ESR (Equality, Sort, Range) Indexes Series' Articles

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Franck Pachot for MongoDB

Feb 11

MongoDB Equality, Sort, Range (ESR) without Equality (SR): add an unbounded range predicate on the indexed sort field

#mongodb #indexing #database

5 min read

Franck Pachot for MongoDB

Feb 27

Skip Scan in MongoDB with Range, Equality (RE) index as an alternative to Equality, Sort, Range (ESR)

#mongodb #database #indexing

4 min read

Franck Pachot for MongoDB

Feb 27

Order-preserving or-expansion in MongoDB and $in:[,,] treated as a range skip scan, or exploded to an equality for the ESR rule

#mongodb #postgres #index #sort

5 min read