Cheat Sheet logoCheat Sheet Today
MongoDB Index Types and Query Patterns/TTL index

Expire documents automatically after a period.

Back to sheetBrowse commands
Sign in to save
Section: MongoDB index types

TTL index

javascript
javascript
db.sessions.createIndex({ expiresAt: 1 }, { expireAfterSeconds: 0 })
Explanation

Useful for sessions, caches, temporary tokens, and ephemeral telemetry.

View in sheet →

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Compare commandsView fixes

Related commands

Same sheet · prioritizing MongoDB index types
Single-field index
Fast equality lookups on one field.
OpenIn sheetjavascriptsame section
Compound index
Support multi-field filters and sorts.
OpenIn sheetjavascriptsame section
Multikey index on an array field
Index documents that contain array values.
OpenIn sheetjavascriptsame section
Partial index
Index only documents matching a filter.
OpenIn sheetjavascriptsame section
Wildcard index
Support flexible queries on unknown or varying fields.
OpenIn sheetjavascriptsame section
Explain a query with execution stats
Inspect planner and runtime behavior.
OpenIn sheetjavascript1 tag match