(Ashraf Sharif) MySQL InnoDB Cluster consists of 3 components:

(Erik Frøseth) For a long time, the only algorithm for executing a join in MySQL has been variations of the nested loop algorithm. With the release of MySQL 8.0.18, the server can now execute joins using hash join.

(Valerii Kravchuk) I’ve seen questions like this: “Is there a way to know when (date and time) the last statement captured in … was actually ran?”

(Tiago L. Alves) MySQL Cluster is an open-source distributed in-memory database. It combines linear scalability with high availability, providing in-memory real-time access with transactional consistency across partitioned and distributed datasets.

(Mayank Prasad) A user defined table and its corresponding index data, in InnoDB, is stored in files that have an extension .ibd. There are two types of tablespaces, general (or shared) tablespace and file-per-table.

(Vlad Mihalcea) While developing a Spring Boot application is rather easy, tuning the performance of a Spring Boot application is a more challenging task, as, not only it requires you to understand how the Spring framework works behind the scenes, but you have to know what is the best way to use the

(mortensi) At times, when playing with different InnoDB Clusters for testing (I usually deploy all Group Replication instances on the same host on different ports) I find myself stopping the group and doing operations on every instance (e.g. a static reconfiguration).

(Frederic Descamps) MySQL 8.0 is now part of RedHat Enterprise 8 and other distros based on it like CentOS and Oracle Linux.. This is a very good thing !

(Manoj Debnath) In this article you will learn about SQL support in PostgreSQL as well as learn how commands are typically entered using the PostgreSQL interactive terminal – psql.

(Krzysztof Ksiazek) The cloud provides very flexible environments to work with. You can easily scale it up and down by adding or removing nodes. If there’s a need, you can easily create a clone of your environment.