Divide

The divide operator ( / ) divides the first operand by the second and returns the quotient.

Note: A configuration parameter is available to control whether this operator allows precision/scale to exceed 38. See Decimal Digit Limitation on Functions, for details.

DECIMAL and NUMERIC Data Types

When the divide operator is applied to operands that include DECIMAL or NUMERIC data types, the output data type, precision and scale might depend on the data type, precision and scale of the operands, as shown below.

Syntax

operand1 / operand2

Remarks

•

The order of the inputs (operands) has no effect on the output data type.

•

The outputs for dividing DECIMAL and NUMERIC data types are shown in the table.

operand1	operand2	Output
DECIMAL(p1,s1)	DECIMAL(p2,s2)	DECIMAL(p1+p2+s2,s1+p2)
DECIMAL(p,s)	NUMERIC	DECIMAL(p,s)
NUMERIC	NUMERIC	NUMERIC

If the input is DECIMAL or NUMERIC with any number data types other than DECIMAL or NUMERIC, the output data type should be DECIMAL or NUMERIC, respectively, with the same precision and scale as the DECIMAL or NUMERIC input.

Example

DECIMAL(12,3) / DECIMAL(45,2)

This division operation returns DECIMAL(59,48).

Note: If an expression that is computed, has an undefined result (for example, 0/0), the classic query engine throws an exception. For a similar scenario, the MPP Engine returns the value “NaN”. The results may vary if the query is pushed down to a datasource.

INTEGER Division

Division between two integers in TDV, results in an INTEGER. You can change this behavior by tuning the configuration setting Administration -> Configuration -> Server -> SQL Engine -> SQL Language -> Numeric Division to TRUE. By default this is set to FALSE.

INTERVAL Type

INTERVAL can be divided by numbers. The output is an INTERVAL.

Syntax

INTERVAL / NUMERIC

Example

INTERVAL '90' HOUR / 10 = INTERVAL '0 09:00:00' DAY TO SECOND

INTERVAL '1' YEAR / .1 = INTERVAL '10-00' YEAR TO MONTH