oracle plsql 异常

serveroutput on DECLARE pename emp.ename%type; begin select ename into pename from emp where ename=‘1213‘; exception when no_data_found then dbms_output.put_line(‘没有该数据‘); when others then dbms_output.put_line(‘其他exception‘); end;

set serveroutput on

DECLARE
pename emp.ename%type;
begin
select ename into pename from emp where ename=‘1213‘;
exception
when
no_data_found then     dbms_output.put_line(‘没有该数据‘);
when
others then  dbms_output.put_line(‘其他exception‘);
end;

 

set serveroutput on

DECLARE
pnum number;
begin
pnum:=1/0;
exception
when
zero_divide then     dbms_output.put_line(‘0不能做除数‘);
when
others then  dbms_output.put_line(‘其他exception‘);
end;

set serveroutput on

DECLARE
pnum number;
begin
pnum:=‘abc‘;
exception
when
value_error then     dbms_output.put_line(‘value_erroe‘);
when
others then  dbms_output.put_line(‘其他exception‘);
end;

 

oracle plsql 异常

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