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1. MOD Function​

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mod

1. MOD Function​

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The MOD function in H2 database is used to calculate the remainder when one number is divided by another.

2. Syntax​

The syntax for the MOD function in H2 database is as follows:

MOD(dividend, divisor)

Arguments​

  • dividend: The number to be divided. It should be a numeric value.
  • divisor: The number by which the dividend is divided. It should be a non-zero numeric value.

Return​

  • The MOD function returns the remainder when the dividend is divided by the divisor.

3. Notes​

  • The MOD function in H2 database returns a value with the same sign as the dividend.
  • If either the dividend or the divisor is NULL, the MOD function will return NULL.
  • Be cautious while using the MOD function with floating-point numbers, as it may result in imprecise remainders due to floating-point arithmetic.

4. Examples​

Here are a few examples demonstrating the usage of the MOD function in H2 database:

Example 1 - Calculating the remainder of 10 divided by 3:​

SELECT MOD(10, 3) AS remainder;

Output:

remainder
---------
1

Example 2 - Calculating the remainder when dividing a column by a constant:​

CREATE TABLE numbers (
  id INT PRIMARY KEY,
  value INT
);

INSERT INTO numbers VALUES (1, 15), (2, 7), (3, 12);

SELECT id, value, MOD(value, 5) AS remainder
FROM numbers;

Output:

id | value | remainder
---+-------+-----------
1  | 15    | 0
2  | 7     | 2
3  | 12    | 2
  • DIV - Integer division
  • round - Round to a specified number of decimal places
  • CEILING - Round up to the nearest integer
  • floor - Round down to the nearest integer