sql 事务处理 与 try catch

 1 begin transaction tr
 2    declare @error int;
 3    set @error=0;
 4    select * from Car_Brand
 5    set @error=@error+@@ERROR
 6    select 1/0
 7    set @error=@error+@@ERROR
 8    select * from AREA
 9    set @error=@error+@@ERROR
10    print 'i have executed!'
11    set @error=@error+@@ERROR
12    
13    print '@@error:'+cast(@error as varchar(50))
14    if(@error<>0)
15      begin
16       print 'executed failed';
17       rollback transaction tr
18      end
19    else    
20      begin
21       print 'executed success';
22       commit transaction tr
23      end

普通事务

 1 begin  try
 2 begin transaction tr
 3 
 4    select * from Car_Brand
 5    update car_log set [reason]='ceshiceshiceshi' where [modelid]=557;
 6    select 1/0
 7    print 'i have executed!'
 8    select * from AREA
 9    
10    
11    print 'executed success';
12    commit transaction tr
13    
14    
15 end try
16 begin catch
17   print 'executed failed';
18   rollback transaction tr
19 end catch

事务结合 try catch