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Install Redis on Debian 12 from APT, enable the redis-server service, verify it with redis-cli, and find its configuration file at /etc/redis/redis.conf.
Legacy Riak KV 2.2.6 package guide for CentOS Linux 8, which reached end of life in December 2021. Current OpenRiak guidance covers source builds.
In this article, we will learn how to use the MySQL PERIOD_DIFF() function, which returns the number of months between two periods.
PERIOD_DIFF()
The ADD_MONTHS() function in MariaDB is a date function that allows you to add a specified number of months to a date or datetime value, returning a new date or datetime value.
ADD_MONTHS()
Legacy Redis installation notes for Debian 11, whose official LTS ended in August 2026; use a supported release for new deployments.
Legacy Riak KV 2.2.6 package guide for CentOS 7, which reached end of life in June 2024. Current OpenRiak guidance covers source builds.
In this article, we will learn how to use the MySQL PERIOD_ADD() function, which adds a number of months to a period and returns the resulting period.
PERIOD_ADD()
The ACOS() function in MariaDB is used to calculate the arc cosine of a number.
ACOS()
Legacy Redis installation notes for Debian 10, whose official LTS ended in 2024; use a supported release for new deployments.
In this article, we will learn how to use the MySQL ORD() function, which returns the numeric value of the leftmost character of a string.
ORD()