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slug: /dql-overview-of-api
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# Overview of DQL

DQL (Data Query Language) operations allow you to retrieve data from collections using various query methods.

For DQL operations, the following API interfaces are supported.

| API Interface | Description | Documentation Link |
|---|---|---|
| `query()` | A vector similarity search method. | [Documentation](200.query-interfaces-of-api.md) |
| `get()` | Queries specific data from a table using an ID, document, or metadata (excluding vectors). | [Documentation](300.get-interfaces-of-api.md) |
| `hybrid_search()` | Combines full-text search and vector similarity search using a ranking method. | [Documentation](400.hybrid-search-of-api.md) |