Databases & Data Warehouses
Managed Relational Database Service
★ 4.6
Distributed SQL Database
★ 4.2
pip install boto3pip install cratepip install boto3pip install cratePython data engineers use RDS as the managed database backend for pipeline metadata stores, staging databases, and application databases. Engineers connect via standard Python database drivers (psycopg2, pymysql) or SQLAlchemy, using IAM authentication for credential-free access. RDS Proxy is used in Lambda-based ingestion functions to avoid connection pool exhaustion.
Python data engineers use `crate` or `sqlalchemy-cratedb` to connect to CrateDB clusters. CrateDB is used when pipelines need to store and query large volumes of machine-generated or IoT time-series data with SQL — engineers ingest sensor readings at high write throughput and query aggregations across millions of rows with standard SQL syntax.
Databases & Data Warehouses
MongoDB vs PostgreSQL
Databases & Data Warehouses
PostgreSQL vs Redis
Databases & Data Warehouses
Apache Cassandra vs PostgreSQL
Databases & Data Warehouses
Neo4j vs PostgreSQL
Databases & Data Warehouses
InfluxDB vs PostgreSQL
Databases & Data Warehouses
Elasticsearch vs PostgreSQL
Individual Tool Pages