how to

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.

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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.

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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.

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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.

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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.

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