> For the complete documentation index, see [llms.txt](https://docs.bdb.ai/pre-sales/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bdb.ai/pre-sales/manufacturing-use-case/technical-requirements/query-engine.md).

# Query Engine

* [x] **Requirement:** Different tools/options should be offered by the Data Platform to query and manipulate data in Data Lake and Enterprise Datawarehouse.

* [x] **BDB Response:** : Yes, BDB platform has capabilities to query and manipulate data in Data Lake and Enterprise Datawarehouse.

* [x] **Requirement**: Ability to query data in Data Lake through ad-hoc queries without loading into Enterprise Datawarehouse should be possible.

* [x] **BDB Response**: Yes, BDB Platform has ability to query data in Data Lake through ad-hoc queries without loading into Enterprise Datawarehouse.

* [x] **Requirement**: Provision of SQL-based languages supported to query the data.

* [x] **BDB Response**: Yes, BDB Platform supports SQL based query language to query the data.

* [x] **Requirement**: Support different type of data that can be queried (structured, semi-structured, unstructured).

* [x] **BDB Response**: BDB Platform has inbuilt data connectors to ingest & query on structured, semi-structured, unstructured data.

<figure><img src="https://4072512490-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlLFg37sm5677zgZ4m8et%2Fuploads%2Fbn2rEaEOMNec6iCYBYpp%2Fimage.png?alt=media&amp;token=e9ccf473-7241-4238-8d4e-81b9414dabae" alt=""><figcaption></figcaption></figure>

* [x] &#x20; **Requirement**: Support Query optimization functionality.

* [x] &#x20;**BDB Response**: Yes, BDB Platform supports Query optimization functionality.

* [x] **Requirement**: Provision of user interface (e.g., web, CLI) for end users to query the data.

* [x] **BDB Response**: Yes, BDB platform has inbuilt web interface for end users to query the data.

<figure><img src="https://4072512490-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlLFg37sm5677zgZ4m8et%2Fuploads%2FbT8fktWjAtQqXf289FCr%2Fimage.png?alt=media&amp;token=dd3782e3-e014-4e17-a102-ad88d90818da" alt=""><figcaption></figcaption></figure>

* [x] **Requirement**: Support data platform scalability in terms of concurrent users issuing queries.
* [x] &#x20;**BDB Response:** Yes, BDB Platform supports scalability in terms of concurrent users issuing queries.