## Memory

[

## 📄️ Astra DB

DataStax \[Astra

](https://python.langchain.com/docs/integrations/memory/astradb_chat_message_history/)

[

## 📄️ AWS DynamoDB

\[Amazon AWS

](https://python.langchain.com/docs/integrations/memory/aws_dynamodb/)

[

## 📄️ Cassandra

Apache Cassandra® is a NoSQL,

](https://python.langchain.com/docs/integrations/memory/cassandra_chat_message_history/)

[

## 📄️ Elasticsearch

Elasticsearch is a

](https://python.langchain.com/docs/integrations/memory/elasticsearch_chat_message_history/)

[

## 📄️ Google AlloyDB for PostgreSQL

\[Google Cloud AlloyDB for

](https://python.langchain.com/docs/integrations/memory/google_alloydb/)

[

## 📄️ Google Bigtable

Google Cloud Bigtable is a

](https://python.langchain.com/docs/integrations/memory/google_bigtable/)

[

## 📄️ Google El Carro Oracle

\[Google Cloud El Carro

](https://python.langchain.com/docs/integrations/memory/google_el_carro/)

[

## 📄️ Google Firestore (Native Mode)

Google Cloud Firestore is a

](https://python.langchain.com/docs/integrations/memory/google_firestore/)

[

## 📄️ Google Firestore (Datastore Mode)

\[Google Cloud Firestore in

](https://python.langchain.com/docs/integrations/memory/google_firestore_datastore/)

[

## 📄️ Google Memorystore for Redis

\[Google Cloud Memorystore for

](https://python.langchain.com/docs/integrations/memory/google_memorystore_redis/)

[

## 📄️ Google Spanner

Google Cloud Spanner is a highly

](https://python.langchain.com/docs/integrations/memory/google_spanner/)

[

## 📄️ Google SQL for SQL Server

Google Cloud SQL is a fully managed

](https://python.langchain.com/docs/integrations/memory/google_sql_mssql/)

[

## 📄️ Google SQL for MySQL

Cloud Cloud SQL is a fully managed

](https://python.langchain.com/docs/integrations/memory/google_sql_mysql/)

[

## 📄️ Google SQL for PostgreSQL

Google Cloud SQL is a fully managed

](https://python.langchain.com/docs/integrations/memory/google_sql_pg/)

[

## 📄️ Momento Cache

Momento Cache is the world’s first

](https://python.langchain.com/docs/integrations/memory/momento_chat_message_history/)

[

## 📄️ MongoDB

MongoDB is a source-available cross-platform document-oriented

](https://python.langchain.com/docs/integrations/memory/mongodb_chat_message_history/)

[

## 📄️ Motörhead

Motörhead is a memory server

](https://python.langchain.com/docs/integrations/memory/motorhead_memory/)

[

## 📄️ Neo4j

Neo4j is an open-source graph

](https://python.langchain.com/docs/integrations/memory/neo4j_chat_message_history/)

[

## 📄️ Postgres

PostgreSQL also known as

](https://python.langchain.com/docs/integrations/memory/postgres_chat_message_history/)

[

## 📄️ Redis

\[Redis (Remote Dictionary

](https://python.langchain.com/docs/integrations/memory/redis_chat_message_history/)

[

## 📄️ Remembrall

This page covers how to use the Remembrall ecosystem within LangChain.

](https://python.langchain.com/docs/integrations/memory/remembrall/)

[

## 📄️ Rockset

Rockset is a real-time analytics

](https://python.langchain.com/docs/integrations/memory/rockset_chat_message_history/)

[

## 📄️ SingleStoreDB

This notebook goes over how to use SingleStoreDB to store chat message

](https://python.langchain.com/docs/integrations/memory/singlestoredb_chat_message_history/)

[

## 📄️ SQL (SQLAlchemy)

Structured Query Language (SQL)

](https://python.langchain.com/docs/integrations/memory/sql_chat_message_history/)

[

## 📄️ SQLite

SQLite is a database engine

](https://python.langchain.com/docs/integrations/memory/sqlite/)

[

## 📄️ Streamlit

Streamlit is an open-source Python

](https://python.langchain.com/docs/integrations/memory/streamlit_chat_message_history/)

[

## 📄️ TiDB

TiDB Cloud, is a comprehensive

](https://python.langchain.com/docs/integrations/memory/tidb_chat_message_history/)

[

## 📄️ Upstash Redis

Upstash is a provider of the

](https://python.langchain.com/docs/integrations/memory/upstash_redis_chat_message_history/)

[

## 📄️ Xata

Xata is a serverless data platform, based on

](https://python.langchain.com/docs/integrations/memory/xata_chat_message_history/)

[

## 📄️ Zep

Fast, Scalable Building Blocks for LLM Apps

](https://python.langchain.com/docs/integrations/memory/zep_memory/)