--- id: attu_query.md related_key: attu summary: Attu, an intuitive GUI for Milvus service management. --- # Query Data with Attu This topic describes how to query data with Attu. ## Query data with advanced filters 1. Click the entry of the collection that you want to query data in, and the corresponding detail page appears. 2. On the **Data Query** tab page, click the **Filter** icon and the **Advanced Filter** dialog box appears. 3. Specify a complicated query condition such as **color > 10 && color < 20** by using the **Field Name** dropdown lists, the **Logic** dropdown lists, the **Value** fields, and the **AND** operator. Then click **Apply** Filter to apply the query condition. ![Query Data](../assets/insight_query1.png) 3. Click **Query** to retrieve all query results that match the query condition. ![Query Data](../assets/insight_query2.png) ## Query data with Time Travel TBD (Not supported yet) ## Delete data 1. Tick the entities you want to delete and click the **Trash** icon. 2. Type `delete` to confirm the deletion in the **Delete entities** dialog box. 3. Click **Delete** to delete the selected entities. ![Delete Data](../assets/insight_query3.png) You can perform a query to retrieve the deleted entities. No results will be returned if the deletion is successful. ![Delete Data](../assets/insight_query4.png)