Usage of floor function in oracle

The FLOOR function in Oracle is used to round numbers down to the specified precision (0 means rounding to an integer), the usage is FLOOR(number, precision). It is suitable for calculating averages, sums, rounding amounts, and solving rounding problems involving decimal calculations.

Usage of FLOOR function in Oracle

Question:What are the FLOOR functions in Oracle? usage?

Answer:The FLOOR function is mainly used in Oracle to round numbers down to a specified precision.

Usage:

FLOOR(number, precision)

Among them:

• number: the number to be rounded .
• precision: Specify the number of decimal places to keep for rounding (0 means rounding to an integer).

Example:

• FLOOR(123.45, 0) = 123
• FLOOR(123.45, 1) = 123.4
• FLOOR(123.45, 2) = 123.45

Important note:

• FLOOR function does not change the original value, but returns The result after rounding.
• The precision parameter is optional. If not specified, it defaults to 0 (taken as an integer).
• If precision is negative, it is rounded to the specified number of digits before the decimal point.
• If precision is a positive number, round to the specified number of digits after the decimal point.

Application scenarios:

The FLOOR function is often used in the following scenarios:

• Round the amount down to an integer.
• When calculating the average or sum, round the decimals down.
• Round the date down to the specified precision, such as day, month, or year.
• Solve rounding problems involving decimal calculations.

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