AWS Database Blog

Freecharge lowered their identity management system cost and improved scaling by switching to Amazon DynamoDB

Freecharge, subsidiary of Axis Bank, is a payment app serving over 100 million users across India. Over the years, Freecharge has transformed to become one of the leading financial services and investment apps in the country. Freecharge has always been known for offering safe and seamless UPI payments, utility bill payments, mobile/DTH recharges, and much […]

Use LangChain and vector search on Amazon DocumentDB to build a generative AI chatbot

Amazon DocumentDB (with MongoDB compatibility) offers benefits to customers building modern applications across multiple domains, including healthcare, gaming, and finance. As a fully managed document database, it can improve user experiences through flexibility, scalability, high performance, and advanced functionality. Enterprises that use the JSON data model supported by Amazon DocumentDB can achieve faster application development […]

Binary logging optimizations in Amazon Aurora MySQL version 3

The binary log (binlog) in MySQL is used to capture database modifications on a MySQL server in a logical format known as “events”. These database modifications can include DCL statements (such as CREATE USER or GRANT), DDL statements (CREATE TABLE, ALTER TABLE) and DML statements (INSERT, UPDATE, DELETE). When such a modification is committed in […]

Discover and visualize graph schemas in Amazon Neptune

We often want to take an inventory of the types of data in our database. What is our schema? This is most useful in DEV or TEST databases whose content is created by several users or teams, is often experimental, or has multiple versions. Even in controlled environments like PROD, where the application validates data […]

Encrypt your database connection using SSL encryption to Amazon RDS Custom for SQL Server

Amazon Relational Database Server (Amazon RDS) Custom for SQL Server is a managed database service for applications that require operating system access and database customization that is not available in Amazon RDS for SQL Server. The ability to encrypt an application’s connection to RDS Custom is a common security requirement. Network encryption protects data in […]

Data migration strategies to Amazon RDS for Db2

Amazon announced Amazon Relational Database (Amazon RDS) for Db2 at re:Invent 2023. RDS for Db2 is the latest addition to the Amazon RDS family of database engines. You can deploy a Db2 database on scalable hardware in minutes designed for optimal performance with an optional highly available database using a Multi-AZ deployment, which synchronously replicates […]

Enforce row-level security with the RDS Data API

As applications grow to serve more users with sensitive data, implementing robust security controls becomes critically important. One way to enhance security and meet complex access requirements is through row-level security. Row-level security allows you to limit data access at the row level based on user attributes. PostgreSQL is one of the most popular open […]

Continuously replicate Amazon DynamoDB changes to Amazon Aurora PostgreSQL using AWS Lambda

Amazon DynamoDB is a fully managed, serverless, key-value NoSQL database designed to run high-performance applications at any scale. Amazon Aurora is a MySQL and PostgreSQL-compatible relational database built for the cloud. Aurora combines the performance and availability of traditional enterprise databases with the simplicity and cost-effectiveness of open-source databases. Serverless technologies eliminate infrastructure management tasks […]

Configure change data capture parameters on Amazon RDS for SQL Server

AWS Database Migration Service (AWS DMS) is a managed migration and replication service that helps you move your database and analytic workloads to AWS quickly and securely. The source database remains fully operational during the migration, minimizing downtime to applications that rely on the database. AWS DMS can migrate data to and from most widely […]

Perform maintenance tasks and schema modifications in Amazon RDS for PostgreSQL with minimal downtime using Blue Green deployment

In this post, we walk you through performing schema changes and common maintenance tasks such as table and index reorganization, VACUUM FULL, and materialized view refreshes with minimal downtime using blue/green deployments for an Amazon Relational Database (Amazon RDS) for PostgreSQL database or an Amazon Aurora PostgreSQL-Compatible Edition cluster. Solution overview Amazon RDS blue/green deployment […]