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#2
fdqzy2021-12-28 19:21
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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")
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)?