create table A (A int identity(1,1),B varchar(40))
go
create table B (A int identity(1,1),B varchar(20),C varchar(20))
go
insert into A(B) select '张三/3213216545646' union all select '李四/455465456'
union all select '李清照/87878' union all select '高不成/878789797'
union all select '区阳大朋/5467987779'
select B,left(B,charindex('/',B)-1),right(B,len(B)-charindex('/',B)) from A
insert into B (B,C) select left(B,charindex('/',B)-1),right(B,len(B)-charindex('/',B)) from A
select * from A
select * from B