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  1.  
  2. CREATE TABLE customer
  3. (id varchar,
  4. sal int);
  5.  
  6. insert into customer values (1,500);
  7. insert into customer values (2,500);
  8. insert into customer values (3,500);
  9. insert into customer values (4,500);
  10. select * from customer;
  11.  
  12. update customer set id = 's'+id;
  13.  
  14. select * from customer;
  15.  
  16.  
  17.  
Success #stdin #stdout 0s 3008KB
stdin
Standard input is empty
stdout
1|500
2|500
3|500
4|500
1|500
2|500
3|500
4|500