Module org.jooq
Package org.jooq.impl

Interface QOM.StddevSamp

All Superinterfaces:
AggregateFilterStep<BigDecimal>, AggregateFunction<BigDecimal>, Field<BigDecimal>, FieldOrConstraint, FieldOrRow, FieldOrRowOrSelect, GroupField, Named, OrderField<BigDecimal>, QueryPart, SelectField<BigDecimal>, SelectFieldOrAsterisk, Serializable, TableElement, Typed<BigDecimal>, WindowBeforeOverStep<BigDecimal>, WindowOverStep<BigDecimal>
Enclosing class:
QOM

public static interface QOM.StddevSamp extends AggregateFunction<BigDecimal>
The STDDEV SAMP function.

Calculate the sample standard deviation. This standard SQL function may be supported natively, or emulated using DSL.sum(Field) and DSL.count(Field). If an emulation is applied, beware of the risk of "Catastrophic cancellation" in case the calculations are performed using floating point arithmetic.