POWER (Azure Cosmos DB)POWER (Azure Cosmos DB)

返回指定表达式的指定幂的值。Returns the value of the specified expression to the specified power.

语法Syntax

POWER (<numeric_expr1>, <numeric_expr2>)  

参数Arguments

numeric_expr1numeric_expr1
为数值表达式。Is a numeric expression.

numeric_expr2numeric_expr2
是要将 numeric_expr1 提升到的幂次。Is the power to which to raise numeric_expr1.

返回类型Return types

返回数值表达式。Returns a numeric expression.

示例Examples

下列示例演示一个数字的 3 次幂(数的立方)的运算。The following example demonstrates raising a number to the power of 3 (the cube of the number).

SELECT POWER(2, 3) AS pow1, POWER(2.5, 3) AS pow2  

下面是结果集:Here is the result set.

[{pow1: 8, pow2: 15.625}]  

后续步骤Next steps