In Oracle Database, the RM
format element allows you to return the month in roman numerals when using the TO_CHAR()
function.
You can also use the fm
modifier to suppress any padding.
In Oracle Database, the RM
format element allows you to return the month in roman numerals when using the TO_CHAR()
function.
You can also use the fm
modifier to suppress any padding.
If you ever need to find out which quarter a date belongs to in MariaDB, here are two functions that will allow you to do just that.
Continue readingWith Oracle Database, we can use the TO_CHAR(datetime)
function to return the century from a datetime value.
To do this, we can use either the CC
format element, or the SCC
format element. We can combine these with other format elements to do things like, display the ordinal number, spell out the century, etc.
Here are some options for subtracting one or more seconds from a datetime expression in MariaDB.
Continue readingIn Oracle Database, you can use the fm
(fill mode) format modifier to suppress any leading zeroes that might be applied to a date. This format modifier suppresses padding, which includes leading zeros and trailing blanks.
To use the fm
format modifier, include it in your format model when specifying how dates should be formatted. For example when using the TO_CHAR()
function to format dates, or in NLS parameters such as the NLS_DATE_FORMAT
parameter when setting the date format for your current session.
When formatting dates in Oracle Database, we have the option of using RR
and YY
to return a two digit year.
These two format elements are similar. The difference is in how they interpret two digits years.
We also have the option of using RRRR
and YYYY
when returning four digit years.
Here are some options for subtracting one or more microseconds from a datetime expression in MariaDB.
Continue readingIf you’ve ever used the TO_CHAR()
function to format a date that uses the month name, you might have noticed that sometimes the month is returned with right padding.
MariaDB has several functions that enable you to extract various date and time parts from date/time values. You can use these to separate each date/time component into its own column if required.
Below are three ways to extract the year, month, and day from a date value in MariaDB.
Continue readingThere are many ways to perform date arithmetic in MariaDB. This includes adding or subtracting a certain number of a given date part from a date or datetime value.
In this article, I present 8 ways to add an hour to a datetime value in MariaDB.
Continue reading