AWS Database Blog

PostgreSQL 12 – A deep dive into some new functionality

The PostgreSQL community continues its consistent cadence of yearly major releases with PostgreSQL 12. PostgreSQL 12 introduces features opening up new development opportunities while simplifying the management of some already robust capabilities, such as new ways to query JSON data, enhancements to indexes, and better performance with partitioned tables. In this post, I take a […]

Introducing role-based access control for Amazon DocumentDB (with MongoDB compatibility)

Amazon DocumentDB (with MongoDB compatibility) is a fast, scalable, highly available, and fully managed document database service that supports MongoDB 3.6 or 4.0 or 5.0 workloads. You can use the same MongoDB application code, drivers, and tools as you do today to run, manage, and scale workloads on Amazon DocumentDB without worrying about the underlying […]

Using $dateFromString and executionStats in Amazon DocumentDB (with MongoDB compatibility)

Amazon DocumentDB (with MongoDB compatibility) is a fast, scalable, highly available, and fully managed document database service that supports MongoDB workloads. Amazon DocumentDB makes it easy and intuitive to store, query, and index JSON data. If you are new to Amazon DocumentDB, see Ramping up on Amazon DocumentDB (with MongoDB compatibility). Amazon DocumentDB continues to […]

Graphing investment dependency with Amazon Neptune

Storing and querying investment dependencies as a graph in Amazon Neptune reveals new relationships. EDGAR (Electronic Data Gathering, Analysis, and Retrieval) is an online public database from the U.S. Securities and Exchange Commission (SEC). EDGAR handles automated collection, validation, indexing, acceptance, and submission forwarding by entities that are required by law to file forms with […]

Migrating to Amazon Aurora MySQL with fallback option using GTID-based replication

When migrating production applications, it is often important to have a fallback option. This blog post demonstrates how to use global transaction identifier (GTID)-based replication to migrate Amazon RDS MySQL workloads to Amazon Aurora MySQL. We also discuss how to use a fallback mechanism in case you encounter any issues. For more information about GTID-based […]

Aurora PostgreSQL Disaster Recovery solutions using Amazon Aurora Global Database

Amazon Aurora with PostgreSQL compatibility combines the performance and availability of high-end commercial databases with the simplicity and cost-effectiveness of open source databases. Aurora provides this by scaling storage across three Availability Zones in the same Region, and supports up to 15 read replica instances for scaling out read workloads and high availability within a […]

Ramping up on Amazon DocumentDB (with MongoDB compatibility)

This blog post was last reviewed and updated February, 2022. Amazon DocumentDB (with MongoDB compatibility) is a fast, scalable, highly available, and fully managed document database service that supports MongoDB workloads. As a document database, Amazon DocumentDB makes it easy to store, query, and index JSON data. Amazon DocumentDB is compatible with MongoDB 3.6, 4.0 […]

Migrating legacy PostgreSQL databases to Amazon RDS or Aurora PostgreSQL using Bucardo

If you are using PostgreSQL earlier than 9.4, you are using an unsupported version of PostgreSQL, and may have limited options to migrate or replicate your databases in Amazon RDS or Amazon Aurora PostgreSQL. This is primarily because PostgreSQL versions older than 9.4 can’t perform logical replication. Bucardo is an open-source utility that can replicate […]