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MySQL MICROSECOND() is a function that returns the microsecond part of a date or time value.
Install PostgreSQL from Ubuntu’s repository on an existing Ubuntu 20.04 system. Standard security maintenance ended in May 2025; Ubuntu Pro coverage may apply through May 2030.
MySQL MAKETIME() is a function that creates and returns a time value based on an hour, minute, and second value.
Install PostgreSQL on Ubuntu 18.04 for a legacy system. Standard security maintenance ended in June 2023; Ubuntu Pro ESM may apply through 2028.
MySQL MAKEDATE() is a function that returns a date by taking a value of a year and a number of days.
Install PostgreSQL 18 on Rocky Linux 9.8 or later with its AppStream module, initialize the cluster, and start the service.
MySQL LOCALTIMESTAMP() is a function that returns the current date and time. It is a synonym for the NOW() function.
Install PostgreSQL 16 on Rocky Linux 8 by selecting its AppStream module, then initialize and start the server.
MySQL LOCALTIME() is a function that returns the current date and time. It is a synonym for the NOW() function.
Install PostgreSQL 18 on Red Hat Enterprise Linux 9.8 or later with its AppStream module, initialize the cluster, and start the service.