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MySQL LAST_DAY() is a function that returns the last day of the month for a given date or datetime value. It can be used to find the end date of a period, such as a month, quarter, or year.
Install PostgreSQL 15 on Red Hat Enterprise Linux 8 by selecting its AppStream module, then initialize and start the server.
MySQL JSON_CONTAINS_PATH() is a function that tests whether a JSON document contains data at a given path or paths.
MySQL JSON_CONTAINS() is a function that tests whether a given JSON document contains a specific value, or a value at a specified path.
Install PostgreSQL 18 on Oracle Linux 9.8 or later with its AppStream module, initialize the database cluster, and start the service.
MySQL HOUR() is a function that returns the hour part of a date or time value. It can be used to extract the hour from a datetime, date, or time expression.
Install PostgreSQL 16 on Oracle Linux 8.10 with its AppStream module, initialize the database cluster, and start the service.
MySQL GET_FORMAT() is a function that returns a date or time format string. It can be used to format a date or time value according to a specific locale or standard.
Legacy Oracle Linux 7 PostgreSQL guide. Its default repository package is PostgreSQL 9.2, unsupported upstream; use Oracle Linux 9 for new installs.
The FROM_UNIXTIME() function in MySQL converts a Unix timestamp to a DATETIME value. It is useful for working with timestamps from other systems or programming languages.