One of the perks of working on MySQL is that the code can compile (and has been compiled) on pretty much all of the modern (and no so modern) C/C++ compilers and all the modern OSes. This enables each individual developer to choose their “weapon”: pick the OS and the compiler they feel best about.…
Category Archives: MySQL
MySQL Shell Plugins – Introduction
The MySQL Shell 8.0.17 introduces a novel way of extending its base functionality through plugins, which are JavaScript or Python scripts that allow the user to:
- Register reports that can be used in monitoring tasks through the \show and \watch Shell Commands.
Clone: Create MySQL instance replica
Cloning MySQL instance data reliably and efficiently is required in many scenarios. This includes MySQL HA solutions where one needs to provision an instance before joining it to a Group Replication cluster or adding it as Slave in classic the replication model.…
MySQL InnoDB Cluster – What’s new in Shell AdminAPI 8.0.17 release
The MySQL Development Team is very excited and proud to announce a new 8.0 Maintenance Release of InnoDB Cluster – 8.0.17!
In addition to important bug fixes and improvements, 8.0.17 brings a game-changer feature!
This blog post will cover MySQL Shell and the AdminAPI, for detailed information of what’s new in MySQL Router stay tuned for an upcoming blog post!…
MySQL Shell 8.0.17 – What’s New?
The MySQL Development team is proud to announce a new version of the MySQL Shell in which the following new features can be highlighted:
- MySQL Shell Plugins
- Parallel table import
- In InnoDB Cluster:
- Automatic instance provisioning through cloning
- Automatic server version compatibility handling
- Simplification of internal recovery accounts
The following enhancements were also introduced:
- On the X DevAPI area:
- Support for array indexes in collections
- Support for overlaps operator in expressions
- Uniform SQL execution API in classic and X protocol
- Support for connection attributes
- New utility functions:
- shell.unparseUri(…)
- shell.dumpRows(…)
- Support for –verbose output
- Upgrade Checker: Addition of checks for variables on the configuration files
MySQL Shell Plugins
The MySQL Shell now supports user extensions through MySQL Shell Plugins, which includes User Defined Reports (Introduced in 8.0.16) as well as the new Extension Objects introduced in 8.0.17.…
The MySQL 8.0.17 Maintenance Release is Generally Available
The MySQL Development team is very happy to announce that MySQL 8.0.17 is now available for download at dev.mysql.com. In addition to bug fixes there are a few new features added in this release. Please download 8.0.17 from dev.mysql.com or from the MySQL Yum, APT, or SUSE repositories.…
Supporting all kinds of outer references in derived tables (lateral, or not)
(Image credit: Pixabay).
In my earlier post, I showed how MySQL, since version 8.0.14, has support for LATERAL derived tables. With LATERAL, a JOIN can have a second table – a subquery-based derived table – be defined based on values from columns of the first table, and thus be re-calculated for each row of the first table.…
How to validate server configuration settings.
After upgrading the server many users start it with an unchanged config file only to find some deprecated options that they were using are no longer supported by the later server version, which causes the upgraded server to shutdown. In other cases modifying the server configuration file results in the server refusing to start when an invalid name is mistakenly entered in the configuration file.…
OpenSSL FIPS support in MySQL 8.0
Many products use OpenSSL, but for the most part, without choosing to incorporate the OpenSSL FIPS (US Federal Information Processing Standards) module. However it may be that running OpenSSL and using FIPs mode is something you should seriously consider and implement.…
Partial Revokes from Database Objects
This is a 3 part blog series:
- Part 1: The SYSTEM_USER Dynamic Privilege
- Part 2 : Partial Revokes from Database Objects
- Part 3 : How to create multiple accounts for an app?
Have you ever encountered situations where you want to grant a user access to all databases except a few databases ? …