FLOOR() Description Syntax Arguments Examples FLOOR() Description The FLOOR() function returns the largest round number that is less than or equal to the number. S...
FLOOR() Description Syntax Arguments Examples FLOOR() Description The FLOOR() function returns the largest round number that is less than or equal to the number. S...
FLOOR() Description Syntax Arguments Examples Constraints FLOOR() Description The FLOOR() function returns the largest round number that is less than or equal to th...
<>,!= Description Syntax Examples <>,!= Description The <>,!= operator returns true only if the left-hand operand is not equal to the right-hand operand. Syntax >...
>= Description Syntax Examples >= Description The >= operator returns true only if the left-hand operand is greater than or equal to the right-hand operand. Syntax...
SCALAR GROUP BY HASH GROUP BY MERGE GROUP BY GROUP BY 算子主要用于在 SQL 中进行分组聚合计算操作。 用于对数据进行分组的算法有 HASH 算法和 MERGE 算法,因此根据算法可以将 GROUP BY 算子分为两种:HASH GROUP BY 和 MERGE GROUP BY。执行计划生成时...