In Oracle Database, the BIT_TO_NUM() function converts a bit vector to its equivalent number.
Author: Ian
How to Calculate Age in MariaDB
In MariaDB, you can use the TIMESTAMPDIFF() function to calculate a person’s age (or the age of anything for that matter).
TIMESTAMPDIFF() is a built-in date and time function that returns the difference between two date or datetime expressions. Passing YEAR as the first argument, date of birth as the second argument, and the current date as the third, will return the age in years.
ASCIISTR() Function in Oracle
In Oracle Database, the ASCIISTR() function returns an ASCII version of the given string in the database character set.
How to Install Windows 10 on an M1 Mac for Free
In 2020, Apple introduced Mac computers with Apple silicon, with the first chip being the Apple M1.
This was a major change, and it affected many third party applications to the point where they simply don’t run on the M1 Mac.
One application that doesn’t run on M1 Macs is VirtualBox. Prior to the M1 Mac, we could use VirtualBox to install Windows on our Mac. VirtualBox is a free virtualisation application that enables you to install virtual machines (with other operating systems) on your Mac.
Fortunately, there’s a free alternative to VirtualBox – UTM.
Continue reading2 Ways to Get the Day from a Date in Oracle
Below are two functions that can be used to return the day from a date in Oracle Database.
Continue readingFix “Cannot install in Homebrew on ARM processor in Intel default prefix (/usr/local)!”
I recently tried to install QEMU on my M1 Mac but received the “Cannot install in Homebrew on ARM processor in Intel default prefix” error.
Here’s how I fixed the issue.
Continue readingOracle Datetime Functions (Full List)
Below is a full list of datetime functions available in Oracle Database.
Continue readingTRUNC(date) Function in Oracle
In Oracle Database, the TRUNC(date) function returns the given date value with the time portion of the day truncated to the unit provided in the specified format model.
Oracle also has a TRUNC(number) syntax, which is used on numbers. This article is solely about the TRUNC(date) syntax, which is used on dates.
TO_YMINTERVAL() Function in Oracle
In Oracle Database, the TO_YMINTERVAL() function converts its argument to a value of INTERVAL MONTH TO YEAR data type.
SYS_EXTRACT_UTC() Function in Oracle
In Oracle Database, the SYS_EXTRACT_UTC() function extracts the UTC (Coordinated Universal Time) from a datetime value with time zone offset or time zone region name.