In Oracle Database, the TO_CHAR(datetime) allows us to return a datetime value, formatted in a way that we specify.
One of the things we can do is return the month name from a date.
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Database Management Systems
MariaDB ROUND() vs FLOOR()
MariaDB has a ROUND() function and a FLOOR() function that are similar in some ways, but quite different in other ways.
Below is a quick rundown on the difference between ROUND() and FLOOR() in MariaDB.
ROWIDTONCHAR() Function in Oracle
In Oracle Database, the ROWIDTONCHAR() function converts a ROWID value to NVARCHAR2 data type
It’s similar to the ROWIDTOCHAR() function, except that ROWIDTOCHAR() converts a ROWID value to VARCHAR2 data type.
ROWIDTOCHAR() Function in Oracle
In Oracle Database, the ROWIDTOCHAR() function converts a ROWID value to VARCHAR2 data type.
4 Ways to Format a Number Without Decimals in Oracle
When using Oracle Database, you can use functions like TO_CHAR(number) to return numbers as a string. This enables you to format the number to have a specific number of decimal places – including no decimal places, if that’s what you want.
You can also use functions like ROUND(number) and TRUNC(number) to round or truncate the number to no decimal places.
There’s also the CAST() function that allows you to cast a data type as an integer, which effectively removes any decimal places.
2 Ways to Format a Number with Leading Zeros in Oracle
When using Oracle Database to format a number to have leading zeros, we need to convert it to a string and format it accordingly.
You can use the TO_CHAR(number) function to format numbers with leading zeros.
And perhaps a lesser known fact, is that you can also use the LPAD() function to pad a number with leading zeros.
How to Format a Number with a Comma in Oracle
When you use the TO_CHAR() function to format a number in Oracle, you use a format model to determine how the number should be formatted.
For example, you could format a number like 12,345.00 or like 12.345,00, depending on your locale.
The format model can include the G or D format elements to add a comma to a number. Which one you use depends on whether you want the comma as a thousands separator, or as a decimal character.
Alternatively, you can use an actual comma character (,) if you prefer, although this method is not locale aware like the G and D format elements are.
How to Format a Number as Currency in Oracle
Oracle Database provides the TO_CHAR(number) function that enables you to format numbers based on a given format model. There are three format elements that you can use with the TO_CHAR() function in order to return a value as a currency.
3 Ways to Format a Number to 2 Decimal Places in Oracle
When using Oracle Database, you can use functions like TO_CHAR(number) to return numbers as a string, formatted to two decimal places (or however many decimal places you require).
Or you can use functions like ROUND(number) and TRUNC(number) to round or truncate the number to your required number of decimal places.
2 Ways to Get the Minutes from a Datetime Value in Oracle Database
Below are two functions that can be used to return the minutes portion from a datetime value in Oracle Database.
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