dbms_output.put_line(GREATEST(Test_Number number1, Test_Number number2, Test_Number number3, Test_Number number4)); END; 输出: 30 在上面的示例中,将一些数字列表作为参数,从中返回最大的数字作为输出。例如,将1、2、5和30用作参数,因为该参数是最大数,因此从其中
GREATESTThe GREATEST function returns the largest expression in a list of expressions. All expressions after the first are implicitly converted to the data type of the first expression before th Oracle Greatest 函数 转载 jiankunking 2022-07-26 07:55:11 249阅读 SQL函数 GREATEST oracle的nvl函数...
Oracle Greatest()函数 GREATESTThe GREATEST function returns the largest expression in a list of expressions. All expressions after the first are implicitly converted to the data type of the first expression before th Oracle Greatest 函数 转载 jiankunking 2022-07-26 07:55:11 249阅读 SQL函数 ...
OracleGreatest()函数 GREATESTTheGREATESTfunction returns the largest expression in a list of expressions. All expressions after the first are implicitly converted to the data type of the first expression before th Oracle Greatest 函数 转载 jiankunking ...
OracleGreatest()函数 GREATESTTheGREATESTfunction returns the largest expression in a list of expressions. All expressions after the first are implicitly converted to the data type of the first expression before th Oracle Greatest 函数 转载 jiankunking ...
oracle的nvl函数的用法 通过查询获得某个字段的合计值,如果这个值位null将给出一个预设的默认值 select nvl(sum(t.dwxhl),1) from tb_jhde t where zydm=-1 这里关心的nvl的用法,nvl(arg,value)代表如果前面的arg的值为null那么返回的值为后面的value 如: NVL(a,b)就是判断a是否是NULL,如果不是返 ...
Oracle Greatest()函数 GREATESTThe GREATEST function returns the largest expression in a list of expressions. All expressions after the first are implicitly converted to the data type of the first expression before th Oracle Greatest 函数 转载 jiankunking 2022-07-26 07:55:11 245阅读 1 2 ...
GREATESTThe GREATEST function returns the largest expression in a list of expressions. All expressions after the first are implicitly converted to the data type of the first expression before th Oracle Greatest 函数 转载 jiankunking 2022-07-26 07:55:11 249阅读 1 2 3 4 5精品...