Name: Amazon Quantum Ledger Database (QLDB)
Price: 0.03 USD
Rating: 9.9 (2 reviews)
Author: Amazon AWS

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Amazon QLDB (for Quantum Ledger Database) is a fully managed ledger database that provides what the vendor describes as a transparent, immutable, and cryptographically verifiable transaction log ‎owned by a central trusted authority. Amazon QLDB can be used to track each and every application data change and maintains a complete and verifiable history of changes over time. Notably, with QLDB data’s change history is immutable – it cannot be altered or deleted – and using cryptography, users can verify that there have been no unintended modifications to application data. Its immutable transactional log, known as a journal, tracks each application data change and maintains a complete and verifiable history of changes over time.

Write I/Os

Read I/Os

Journal Storage

Inndexed Storage

Amazon Athena is an interactive query service that makes it easy to analyze data directly in Amazon S3 using standard SQL. With a few clicks in the AWS Management Console, customers can point Athena at their data stored in S3 and begin using standard SQL to run ad-hoc queries and get results in seconds. Athena is serverless, so there is no infrastructure to setup or manage, and customers pay only for the queries they run. You can use Athena to process logs, perform ad-hoc analysis, and run interactive queries. Athena scales automatically – executing queries in parallel – so results are fast, even with large datasets and complex queries.

Price per Query

Google's Cloud Bigtable is a fully managed, scalable NoSQL database service for large analytical and operational workloads with up to 99.999% availability.

Backup Storage

Nodes

SSD storage

HDD storage

Amazon Quantum Ledger Database (QLDB)

Database as a Service (DBaaS) software, sometimes referred to as cloud database software, is the delivery of database services as a service in much the same way that Infrastructure as a Service (IaaS) or Platform as a Service (PaaS) provide IT technology platforms and development platforms as managed services in the cloud. Indeed, databases are often included in Iaas and PaaS offerings.

Database-as-a-Service (DBaaS)

What is Amazon Quantum Ledger Database (QLDB)

Amazon strives to be Earth's most customer-centric company where people can find and discover virtually anything they want to buy online. By giving customers more of what they want - low prices, vast selection, and convenience - Amazon continues to grow and evolve as a world-class e-commerce platform.

Founded by Jeff Bezos, the Amazon.com website started in 1995 as a place to buy books because of the unique customer experience the Web could offer book lovers. Bezos believed that only the Internet could offer customers the convenience of browsing a selection of millions of book titles in a single sitting. During the first 30 days of business, Amazon fulfilled orders for customers in 50 states and 45 countries - all shipped from his Seattle-area garage.

Amazon's evolution from Web site to e-commerce partner to development platform is driven by the spirit of innovation that is part of the company's DNA. The world's brightest technology minds come to Amazon.com to research and develop technology that improves the lives of shoppers and sellers around the world.

Database-as-a-Service

Database as a Service (DBaaS) software, sometimes referred to as cloud database software, is the delivery of database services ocer the Internet as a service

Automatic software patching

Patches applied to database automatically

Database scalability

Ease of scaling compute or memory resources and storage up or down

Automated backups

Automated backup enabling point-in-time data recovery

Database security provisions

Provision for database encryption, network isolation, and identity access management

Monitoring and metrics

Built-in monitoring of multiple operational metrics

Automatic host deployment

Compute instance replacement in the event of hardware failure

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Amazon QLDB

Amazon QLDB

Overview

What is Amazon QLDB?