添加字符个数
create cursor b1 (js n(1),m1 c(3),m2 c(10)) insert into b1 values (3,"a","aaa") insert into b1 values (2,"b","bb")
可否根据js数和m1字符直接得到m2（即不用循环代码）？
可否根据js数和m1字符直接得到m2（即不用循环代码）？
create cursor b1 (js n(1),m1 c(3),m2 c(10)) insert into b1 values (3,"a","aaa") insert into b1 values (2,"b","bb")
2021-12-28 19:01
2021-12-28 19:21