$or
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What is $or?
The $or operator in MongoDB performs logical OR operation on multiple query expressions, returning documents that satisfy at least one of the specified conditions. It accepts an array of query expressions and enables alternative matching criteria. $or is essential for flexible querying when documents can match any of several different conditions or field combinations.
Free resources to learn $or
- Official docs$or
- Official docsAggregation Operators
More in stage 6: Performance Optimization
$or: common questions
Can I learn $or in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain $or in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this $or tutorial for beginners?
It is lesson 69 of 106 in the free MongoDB roadmap, in stage 6, Performance Optimization. If you are new to MongoDB, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.