Migrating databases between AWS accounts is often necessary for environment isolation, organizational changes, or setting up security boundaries. Basic migrations can be performed using dumps or replication. However, production environments need minimal downtime, consistency guarantees, and controlled cutover procedures. A strong method for migrating databases between accounts is to combine snapshot-based data transfer with Change […]
If you’ve been working with MongoDB for a while, you already know it’s famous for being scalable, highly available, and flexible. That last part—the flexible document model—is what draws a lot of developers in. But here’s the thing: when you’re dealing with a replica set, the real magic (and sometimes headaches) happens with how reads […]
Imagine your coffee shop is thriving, but one location can’t keep up with the growing demand. To fix this, you open more shops across the city, easing the load. Sharding works similarly for databases. When one MongoDB server can’t handle the volume, data is distributed across multiple machines (shards), making your system more efficient. In […]
Introduction Recently, we helped a large enterprise customer set up their data warehouse on Amazon Redshift using Azure AD for corporate credentials. This allowed users to log in with their corporate credentials, improving user experience and simplifying maintenance. We achieved this by setting up Azure AD federated access to Amazon Redshift. This post explains how […]
Introduction AWS OpsWorks is a robust configuration management service designed to simplify infrastructure and application management. It automates tasks, streamlines operations, and ensures application reliability by simplifying the provisioning and configuration of resources like Amazon EC2 instances and databases. OpsWorks offers flexibility through support for Chef recipes and cookbooks, allowing users to maintain consistency in […]
Ensuring everything runs smoothly in handling databases is like an ongoing adventure for folks working with data. PostgreSQL, a widely used and powerful open-source database system, is a go-to choice for many applications. But even in the land of PostgreSQL, making it work at its best isn’t always straightforward. In this journey, we will explore […]
Offline data transfer in Android is a way to transfer data among devices wirelessly without any network accessibility. There are many ways for connecting devices sans cables such as Bluetooth, NFC, Wifi Direct, SIP, etc. Despite the fact that a large audience is looking towards internet solutions, these ways have their unique use cases and […]
We all have search functionality in our applications. It is one of the most core features you would find ranging from searching for users, products, companies, etc. But are you sure your search functionality is doing exactly what it is supposed to do? You might have written test cases for it as well. But still, there are things […]
PostgreSQL is a powerful, open source object-relational database system (ORDBMS). The version 8.0 and above also comes with the native Windows compatibility. Compared to other RDBMSs, PostgreSQL differs itself with its object-oriented and/or relational database functionality, such as the complete support for reliable transactions, i.e. Atomicity, Consistency, Isolation, Durability (ACID). What happens if we want to […]