MongoDB — Operators
Comparison Operators
| Operator | Description |
|---|---|
| $eq | Equal |
| $ne | Not equal |
| $gt | Greater than |
| $gte | Greater or equal |
| $lt | Less than |
| $lte | Less or equal |
| $in | In array |
| $nin | Not in array |
Logical Operators
| Operator | Description |
|---|---|
| $and | Logical AND |
| $or | Logical OR |
| $not | Logical NOT |
| $nor | Neither condition |
Element Operators
| Operator | Description |
|---|---|
| $exists | Field exists |
| $type | Field type |
Array Operators
| Operator | Description |
|---|---|
| $all | All elements match |
| $elemMatch | Element matches |
| $size | Array size |
Evaluation Operators
| Operator | Description |
|---|---|
| $regex | Regular expression |
| $text | Text search |
| $where | JavaScript expression |
Mini Practice
- Use comparison operators
- Use logical operators
- Query arrays
- Use evaluation operators
Up Next
Continue with Comparison Operators — comparison details.
Related Topics
Frequently Asked Questions about Operators
What is Operators in MongoDB?
Operators is a fundamental concept in MongoDB. This lesson explains it step by step with clear examples, making it easy for beginners to understand.
How do I learn Operators?
Start by reading the explanation above, then try the code examples. Practice by modifying the examples and experimenting with different values. Hands-on practice is the best way to learn Operators.
Why is Operators important in MongoDB?
Operators is essential for MongoDB development. Understanding this concept will help you write better code and solve real-world problems more effectively.