AWS Database Blog

Category: Technical How-to

Joining historical data between Amazon Athena and Amazon RDS for PostgreSQL

While databases are used to store and retrieve data, there are situations where applications should archive or purge the data to reduce storage costs or improve performance. However, there are often business requirements where an application must query both active data and archived data simultaneously. Developers need a solution that lets them benefit from using […]

Achieve a high-performance migration to Amazon RDS for Oracle from on-premises Oracle with AWS DMS

Many customers deploy the Oracle Database to an on-premises data centers running general purpose hardware or a highly customized Oracle Exadata hardware. These Oracle database customers are now looking to migrate to Amazon Relational Database Service (Amazon RDS) for Oracle, which is a fully managed commercial database that makes it easy to set up, operate, […]

Deploy schema changes in an Amazon Aurora MySQL database with minimal downtime

Modifying the schema of a SQL database can be time-consuming, resource-intensive, and error-prone. It can also require long periods of downtime that negatively affects the end-user experience. In this post, I walk you through performing schema changes using Instant DDL and Amazon Relational Database Service (Amazon RDS) Blue/Green Deployments for Amazon Aurora MySQL-Compatible Edition with […]

Migrate billions of records from an Oracle data warehouse to Amazon Redshift using AWS DMS

Customers are migrating to Amazon Redshift to modernize their data warehouse solution and help save on their licensing, support, operations, and maintenance costs. To migrate data from an on-premises data warehouse to Amazon Redshift, you can use services such as AWS Database Migration Service (AWS DMS), AWS Schema Conversion Tool (AWS SCT), Amazon Simple Storage […]

Reduce data archiving costs for compliance by automating Amazon RDS snapshot exports to Amazon S3

Many customers use AWS Backup to automatically create Amazon Relational Database Service (Amazon RDS and Aurora) database snapshots. RDS database snapshots are a convenient way to protect your data and make it easy to recover in the event of an accident or disaster. If you’re using RDS Snapshots for long-term archival to meet compliance requirements […]

Migrate data from partitioned tables in PostgreSQL using AWS DMS

Migrating workloads from PostgreSQL to a data warehouse like Amazon Redshift can pose challenges during the change data capture (CDC) phase when dealing with partitioned tables. In this post, we illustrate how we can migrate data from PostgreSQL partitioned tables to a single table on the target database using AWS Database Migration Service (AWS DMS). […]

Deploy Amazon RDS Proxy for SQL Server with IAM authentication

Amazon RDS Proxy is a fully managed, highly available database proxy service. You don’t need to provision or manage any additional infrastructure to start using RDS Proxy. In addition to this, Amazon Relational Database Service (Amazon RDS) completely manages maintenance activities for RDS Proxy such as upgrades and patching, which are carried out gradually in […]

Set up Always Encrypted with Amazon RDS for SQL Server

Customers within a variety of industries (healthcare and life sciences, financial services, and retail, among others) require a stronger security posture. Particularly, if the databases being hosted contain sensitive data such as credit card numbers or national identification numbers (for example, US Social Security numbers), providing a solution that allows you to encrypt this data […]

Automate creation of multiple AWS DMS endpoints and replication tasks using the AWS CLI

AWS Database Migration Service (AWS DMS) is a managed migration and replication service that helps move your database and analytics workloads to AWS quickly, securely, and with minimal downtime and zero data loss. AWS DMS can migrate your data from AWS DMS supported sources to AWS DMS supported targets, including most widely used commercial and […]

Securely generate Ethereum validator keys at low cost using a serverless architecture on AWS

The new proof-of-stake consensus mechanism on Ethereum blockchain network allows network participants to earn rewards without spending a lot of computational power for playing a part in securing the network. Unlike miners, validators don’t need to spend many CPU cycles to produce new blocks. They stake 32 ETH (the native cryptocurrency on Ethereum) to be […]