diff --git a/docs/aws-databases.md b/docs/aws-databases.md
index f5e18b01..2859d5a9 100644
--- a/docs/aws-databases.md
+++ b/docs/aws-databases.md
@@ -12,50 +12,50 @@
 
 - [Tutorial: Restoring a DB Instance from a DB Snapshot](http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/CHAP_Tutorials.RestoringFromSnapshot.html)
 - [Partitioning MySQL on RDS: "How We Partitioned Airbnb’s Main Database in Two Weeks"](https://medium.com/airbnb-engineering/how-we-partitioned-airbnb-s-main-database-in-two-weeks-55f7e006ff21)
-- [Amazon RDS for SQL Server – Support for Windows Authentication](https://aws.amazon.com/blogs/aws/amazon-rds-for-sql-server-support-for-windows-authentication/)
+- [Amazon RDS for SQL Server – Support for Windows Authentication](https://aws.amazon.com/blogs/aws/amazon-rds-for-sql-server-support-for-windows-authentication//)
 - [Why Support of PostgreSQL 9.5 by Amazon RDS is Such Great News](http://blog.rubyroidlabs.com/2016/04/postgresql-9-5/)
-- [AWS Tutorials: Create and Connect to a MySQL Database with Amazon RDS](https://aws.amazon.com/getting-started/tutorials/create-mysql-db/)
+- [AWS Tutorials: Create and Connect to a MySQL Database with Amazon RDS](https://docs.aws.amazon.com/hands-on/latest/create-mysql-db/create-mysql-db.html/)
 - [Working with PostgreSQL, MySQL, and MariaDB Read Replicas - Amazon](http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_ReadRepl.html) Use RDS PostgreSQL cross-region Read Replicas to get data close to customers.
 - [Working with an Amazon RDS DB Instance in a VPC](http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_VPC.WorkingWithRDSInstanceinaVPC.html)
 - [Creating a DB Instance Running the Oracle Database Engine](http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_CreateOracleInstance.html) In RDS, create Oracle Standard Edition 2 DB instances with the License Included model.
-- [Oracle Database on the AWS Cloud: Quick Start Reference Deployment](https://aws.amazon.com/about-aws/whats-new/2016/10/oracle-database-on-the-aws-cloud-quick-start-reference-deployment/)
+- [Oracle Database on the AWS Cloud: Quick Start Reference Deployment](https://aws.amazon.com/about-aws/whats-new/2016/10/oracle-database-on-the-aws-cloud-quick-start-reference-deployment//)
 - [besanttechnologies.com: AWS – Relational Database Service](https://www.besanttechnologies.com/amazon-web-services-relational-database)
-- [Introducing the Aurora Storage Engine](https://aws.amazon.com/blogs/database/introducing-the-aurora-storage-engine/)
-- [sysadminxpert.com: How to Enable Slow Query Logs in AWS RDS MySQL](https://sysadminxpert.com/how-to-enable-slow-query-logs-in-aws-rds-mysql/)
-- [New – Create Microsoft SQL Server Instances of Amazon RDS on AWS Outposts](https://aws.amazon.com/blogs/aws/new-create-microsoft-sql-server-instances-of-amazon-rds-on-aws-outposts/)
-- [percona.com: The Benefits of Amazon RDS for MySQL](https://www.percona.com/blog/2019/12/19/the-benefits-of-amazon-rds-for-mysql/)
+- [Introducing the Aurora Storage Engine](https://aws.amazon.com/blogs/database/introducing-the-aurora-storage-engine//)
+- [sysadminxpert.com: How to Enable Slow Query Logs in AWS RDS MySQL](https://sysadminxpert.com/how-to-enable-slow-query-logs-in-aws-rds-mysql//)
+- [New – Create Microsoft SQL Server Instances of Amazon RDS on AWS Outposts](https://aws.amazon.com/blogs/aws/new-create-microsoft-sql-server-instances-of-amazon-rds-on-aws-outposts//)
+- [percona.com: The Benefits of Amazon RDS for MySQL](https://www.percona.com/blog/the-benefits-of-amazon-rds-for-mysql//)
 - [medium: AWS Backup Service for Amazon RDS](https://medium.com/avmconsulting-blog/aws-backup-service-for-amazon-rds-3e6f5827aa66)
 - [migops.com: Is Aurora PostgreSQL really faster and cheaper than RDS PostgreSQL – Benchmarking](https://www.migops.com/blog/2021/11/26/is-aurora-postgresql-really-faster-and-cheaper-than-rds-postgresql-benchmarking/)
-- [==dashbird.io: [Infographic] AWS RDS from a Serverless perspective==](https://dashbird.io/blog/aws-relational-database-rds/)
-- [==Auditing for highly regulated industries using Amazon Aurora PostgreSQL==](https://aws.amazon.com/blogs/database/auditing-for-highly-regulated-industries-using-amazon-aurora-postgresql/)
-- [New Amazon RDS for MySQL & PostgreSQL Multi-AZ Deployment Option: Improved Write Performance & Faster Failover](https://aws.amazon.com/blogs/aws/amazon-rds-multi-az-db-cluster/)
-- [Amazon Aurora PostgreSQL blue/green deployment using fast database cloning](https://aws.amazon.com/blogs/database/amazon-aurora-postgresql-blue-green-deployment-using-fast-database-cloning/)
-- [Securely connect to an Amazon RDS or Amazon EC2 database instance remotely with your preferred GUI](https://aws.amazon.com/blogs/database/securely-connect-to-an-amazon-rds-or-amazon-ec2-database-instance-remotely-with-your-preferred-gui/)
-- [Modernize database stored procedures to use Amazon Aurora PostgreSQL federated queries, pg_cron, and AWS Lambda](https://aws.amazon.com/blogs/database/modernize-database-stored-procedures-to-use-amazon-aurora-postgresql-federated-queries-pg_cron-and-aws-lambda/)
-- [Let’s Architect! Architecting with Amazon DynamoDB](https://aws.amazon.com/blogs/architecture/lets-architect-architecting-with-amazon-dynamodb/)
+- [==dashbird.io: [Infographic] AWS RDS from a Serverless perspective==](https://dashbird.io/blog/aws-relational-database-rds//)
+- [==Auditing for highly regulated industries using Amazon Aurora PostgreSQL==](https://aws.amazon.com/blogs/database/auditing-for-highly-regulated-industries-using-amazon-aurora-postgresql//)
+- [New Amazon RDS for MySQL & PostgreSQL Multi-AZ Deployment Option: Improved Write Performance & Faster Failover](https://aws.amazon.com/blogs/aws/amazon-rds-multi-az-db-cluster//)
+- [Amazon Aurora PostgreSQL blue/green deployment using fast database cloning](https://aws.amazon.com/blogs/database/amazon-aurora-postgresql-blue-green-deployment-using-fast-database-cloning//)
+- [Securely connect to an Amazon RDS or Amazon EC2 database instance remotely with your preferred GUI](https://aws.amazon.com/blogs/database/securely-connect-to-an-amazon-rds-or-amazon-ec2-database-instance-remotely-with-your-preferred-gui//)
+- [Modernize database stored procedures to use Amazon Aurora PostgreSQL federated queries, pg_cron, and AWS Lambda](https://aws.amazon.com/blogs/database/modernize-database-stored-procedures-to-use-amazon-aurora-postgresql-federated-queries-pg_cron-and-aws-lambda//)
+- [Let’s Architect! Architecting with Amazon DynamoDB](https://aws.amazon.com/blogs/architecture/lets-architect-architecting-with-amazon-dynamodb//)
 - [itnext.io: Manage Redis on AWS from Kubernetes](https://itnext.io/manage-redis-on-aws-from-kubernetes-eeadba7eb889)
-- [thenewstack.io: Diving into AWS Databases: Amazon RDS and DynamoDB Explained](https://thenewstack.io/diving-into-aws-databases-amazon-rds-and-dynamodb-explained/) A look at the differences between these popular options, and between relational and nonrelational databases.
+- [thenewstack.io: Diving into AWS Databases: Amazon RDS and DynamoDB Explained](https://thenewstack.io/diving-into-aws-databases-amazon-rds-and-dynamodb-explained//) A look at the differences between these popular options, and between relational and nonrelational databases.
 
 ## AWS Database Migration Service DMS
 
-- [AWS Database Migration Service](https://aws.amazon.com/blogs/aws/aws-database-migration-service/)
-- [Whitepaper: Migrating Your Databases to AWS](https://aws.amazon.com/dms/learn-more/)
-- [Replicate and transform data in Amazon Aurora PostgreSQL across multiple Regions using AWS DMS](https://aws.amazon.com/blogs/database/replicate-and-transform-data-in-amazon-aurora-postgresql-across-multiple-regions-using-aws-dms)
-- [Amazon RDS for PostgreSQL Enhancements: Support for new minor versions, Logical Replication, and Amazon RDS PostgreSQL as a source for AWS DMS](https://aws.amazon.com/about-aws/whats-new/2016/09/amazon-rds-for-postgresql-enhancements-support-for-new-minor-versions-logical-replication-and-amazon-rds-postgresql-as-a-source-for-aws-dms/)
-- [Migrating Oracle databases with near-zero downtime using AWS DMS](https://aws.amazon.com/blogs/database/migrating-oracle-databases-with-near-zero-downtime-using-aws-dms/)
-- [Migrating a commercial database to open source with AWS SCT and AWS DMS](https://aws.amazon.com/blogs/database/migrating-a-commercial-database-to-open-source-with-aws-sct-and-aws-dms/)
-- [revenuecat.com: Replicating a postgresql cluster to redshift](https://www.revenuecat.com/blog/replicating-a-postgresql-cluster-to-redshift)
+- [AWS Database Migration Service](https://aws.amazon.com/blogs/aws/aws-database-migration-service//)
+- [Whitepaper: Migrating Your Databases to AWS](https://aws.amazon.com/dms/?audit=2019q1/)
+- [Replicate and transform data in Amazon Aurora PostgreSQL across multiple Regions using AWS DMS](https://aws.amazon.com/blogs/database/replicate-and-transform-data-in-amazon-aurora-postgresql-across-multiple-regions-using-aws-dms/)
+- [Amazon RDS for PostgreSQL Enhancements: Support for new minor versions, Logical Replication, and Amazon RDS PostgreSQL as a source for AWS DMS](https://aws.amazon.com/about-aws/whats-new/2016/09/amazon-rds-for-postgresql-enhancements-support-for-new-minor-versions-logical-replication-and-amazon-rds-postgresql-as-a-source-for-aws-dms//)
+- [Migrating Oracle databases with near-zero downtime using AWS DMS](https://aws.amazon.com/blogs/database/migrating-oracle-databases-with-near-zero-downtime-using-aws-dms//)
+- [Migrating a commercial database to open source with AWS SCT and AWS DMS](https://aws.amazon.com/blogs/database/migrating-a-commercial-database-to-open-source-with-aws-sct-and-aws-dms//)
+- [revenuecat.com: Replicating a postgresql cluster to redshift](https://www.revenuecat.com/blog/engineering/replicating-a-postgresql-cluster-to-redshift/)
 
 ## AWS RDS Proxy
 
-- [Amazon RDS Proxy – Now Generally Available](https://aws.amazon.com/es/blogs/aws/amazon-rds-proxy-now-generally-available/) A fully managed, highly available database proxy for Amazon Relational Database Service (RDS) that makes applications more scalable, more resilient to database failures, and more secure.
+- [Amazon RDS Proxy – Now Generally Available](https://aws.amazon.com/es/blogs/aws/amazon-rds-proxy-now-generally-available//) A fully managed, highly available database proxy for Amazon Relational Database Service (RDS) that makes applications more scalable, more resilient to database failures, and more secure.
 
 ## AWS Schema Conversion Tool
 
 - [cloudacademy.com: Migrating Data to AWS Using the AWS Schema Conversion Tool: A Preview](http://cloudacademy.com/blog/migrating-data-to-aws/)
 - [AWS Schema Conversion Tool now supports PostgreSQL as conversion target](http://aws.amazon.com/about-aws/whats-new/2016/01/aws-schema-conversion-tool-postgresql-support/)
 - [Creating an AWS Schema Conversion Tool Project](http://docs.aws.amazon.com/SchemaConversionTool/latest/userguide/CHAP_SchemaConversionTool.Converting.CreateProject.html) Use SSL to connect to your source DB with the AWS Schema Conversion Tool.
-- [AWS Schema Conversion Tool now supports conversions from Oracle DW and Teradata to Amazon Redshift, Embedded Code Conversion, and Cloud native Code Optimization](https://aws.amazon.com/es/about-aws/whats-new/2016/07/aws-schema-conversion-tool-now-supports-conversions-from-oracle-dw-and-teradata-to-amazon-redshift-embedded-code-conversion-and-cloud-native-code-optimization)
+- [AWS Schema Conversion Tool now supports conversions from Oracle DW and Teradata to Amazon Redshift, Embedded Code Conversion, and Cloud native Code Optimization](https://aws.amazon.com/es/about-aws/whats-new/2016/07/aws-schema-conversion-tool-now-supports-conversions-from-oracle-dw-and-teradata-to-amazon-redshift-embedded-code-conversion-and-cloud-native-code-optimization/)
 
 ## AWS Redshift
 
@@ -65,4 +65,4 @@
 
 ## AWS NoSQL DynamoDB
 
-- [Easily model your app data in a NoSQL database with AWS Mobile Hub](https://aws.amazon.com/es/about-aws/whats-new/2016/06/easily-model-your-app-data-in-a-nosql-database-with-aws-mobile-hub/)
+- [Easily model your app data in a NoSQL database with AWS Mobile Hub](https://aws.amazon.com/es/about-aws/whats-new/2016/06/easily-model-your-app-data-in-a-nosql-database-with-aws-mobile-hub//)