TiDB

TiDB Cloud, is a comprehensive Database-as-a-Service (DBaaS) solution, that provides dedicated and serverless options. TiDB Serverless is now integrating a built-in vector search into the MySQL landscape. With this enhancement, you can seamlessly develop AI applications using TiDB Serverless without the need for a new database or additional technical stacks. Create a free TiDB Serverless cluster and start using the vector search feature at https://pingcap.com/ai.

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Installation and Setup

## Document loader

```python
from langchain_community.document_loaders import TiDBLoader

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Vector store

from langchain_community.vectorstores import TiDBVectorStore

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Memory

from langchain_community.chat_message_histories import TiDBChatMessageHistory