Databases in 2022: A Year in Review | OtterTune
OtterTune is an automated optimization service for PostgreSQL and MySQL running on Amazon RDS and Aurora. It uses machine learning to tune your database’s configuration knobs, indexes, and cloud settings. 🦦 Try it now on your first database for free! Another year has gone by, and I’m still alive. As such, it is an excellent time to reflect on what happened in the world of databases last year. It
Living without atomic clocks: Where CockroachDB and Spanner diverge
Living without atomic clocks: Where CockroachDB and Spanner diverge The design of CockroachDB is based on Google’s Spanner data storage system. One of the most surprising and inspired facets of Spanner is its use of atomic clocks and GPS clocks to give participating nodes really accurate wall time synchronization. The designers of Spanner call this “TrueTime”, and it provides a tight bound on cloc
Database System Concepts - 7th edition
Database System Concepts Sixth Edition Avi Silberschatz Henry F. Korth S. Sudarshan We provide a set of slides to accompany each chapter. Click on the links below to download the slides in Powerpoint format. We also provide zip files of the all Powerpoint files, PDF files, and all figures used in the text Copyright Note The slides and figures below are copyright Silberschatz, Korth. Sudarshan, 201
Spanner - Google's Distributed Database
How to Use Multiple GitHub Accounts Git is a popular tool for version control in software development. It is not uncommon to use multiple Git accounts. Correctly configuring and switching Git accounts is challenging. In this article, we show what Git provides for account configuration, its limitations, and the solution to switch accounts automatically based on a project parent directory location.
Presto: Free, Open-Source SQL Query Engine for any Data
Calling our Presto community speakers – we want to hear from you! Fill out out community call for papers to speak at upcoming meetups and conferences. What is Presto?Presto is an open source SQL query engine that’s fast, reliable, and efficient at scale. Use Presto to run interactive/ad hoc queries at sub-second performance for your high volume apps.
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Concurrency Control and Recovery in Database Systems - Microsoft Research