AWS Big Data Blog
Category: Database
Bringing machine learning to more builders through databases and analytics services
Machine learning (ML) is becoming more mainstream, but even with the increasing adoption, it’s still in its infancy. For ML to have the broad impact that we think it can have, it has to get easier to do and easier to apply. We launched Amazon SageMaker in 2017 to remove the challenges from each stage […]
Accessing and visualizing external tables in an Apache Hive metastore with Amazon Athena and Amazon QuickSight
Many organizations have an Apache Hive metastore that stores the schemas for their data lake. You can use Amazon Athena due to its serverless nature; Athena makes it easy for anyone with SQL skills to quickly analyze large-scale datasets. You may also want to reliably query the rich datasets in the lake, with their schemas […]
Detect change points in your event data stream using Amazon Kinesis Data Streams, Amazon DynamoDB and AWS Lambda
The success of many modern streaming applications depends on the ability to sequentially detect each change as soon as possible after it occurs, while continuing to monitor the data stream as it evolves. Applications of change point detection range across genomics, marketing, and finance, to name a few. In genomics, change point detection can help […]
Creating a source to Lakehouse data replication pipe using Apache Hudi, AWS Glue, AWS DMS, and Amazon Redshift
February 2021 update – Please refer to the post Writing to Apache Hudi tables using AWS Glue Custom Connector to learn about an easier mechanism to write to Hudi tables using AWS Glue Custom Connector. In this post, we include the modified Apache Hudi JARs as an external dependency. The AWS Glue Custom Connector feature […]
Accessing external components using Amazon Redshift Lambda UDFs
Amazon Redshift is a fast, scalable, secure, and fully managed cloud data warehouse. It makes it simple and cost-effective to analyze all your data using standard SQL, your existing ETL (extract, transform, and load), business intelligence (BI), and reporting tools. Tens of thousands of customers use Amazon Redshift to process exabytes of data per day […]
Apply record level changes from relational databases to Amazon S3 data lake using Apache Hudi on Amazon EMR and AWS Database Migration Service
Data lakes give organizations the ability to harness data from multiple sources in less time. Users across different roles are now empowered to collaborate and analyze data in different ways, leading to better, faster decision-making. Amazon Simple Storage Service (Amazon S3) is the highly performant object storage service for structured and unstructured data and the […]
Get started with Amazon Redshift cross-database queries (preview)
Amazon Redshift is a fast, scalable, secure, and fully managed cloud data warehouse that makes it simple and cost-effective to analyze all your data using standard SQL and your existing ETL, business intelligence (BI), and reporting tools. Tens of thousands of customers use Amazon Redshift to process exabytes of data per day and power analytics […]
Migrating IBM Netezza to Amazon Redshift using the AWS Schema Conversion Tool
The post How to migrate a large data warehouse from IBM Netezza to Amazon Redshift with no downtime described a high-level strategy to move from an on-premises Netezza data warehouse to Amazon Redshift. In this post, we explain how a large European Enterprise customer implemented a Netezza migration strategy spanning multiple environments, using the AWS […]
Federating Amazon Redshift access from OneLogin
December 2022: This post was reviewed and updated for accuracy. You can use federation to access AWS accounts using credentials from a corporate directory, utilizing open standards such as SAML, to exchange identity and security information between an identity provider (IdP) and an application. With this integration, you manage user identities to AWS resources centrally […]
Automating deployment of Amazon Redshift ETL jobs with AWS CodeBuild, AWS Batch, and DBT
This post was last reviewed and updated June, 2022 to update the code and service used on the AWS CloudFormation template. Data has become an essential part of every business, and its volume, velocity, and variety continue to increase. This has resulted in more complex ETL jobs with interdependencies between each other. There is also […]