Shulou(Shulou.com)06/01 Report--

Create or replace procedure pr_test_def_exception

As

V_error varchar2 (200)

V_cnt varchar2 (200)

V_sal number

EX_RESOURCE_BUSY EXCEPTION

PRAGMA EXCEPTION_INIT (RESOURCE_BUSY,-54)

Begin

-- start another session and execute lock table scott.bonus in exclusive mode

Select sal into v_sal from scott.bonus where ename='majunjie' for update nowait

Update scott.bonus set sal=2000 where ename='majunjie'

Dbms_output.put_line (v_cnt)

Exception

When RESOURCE_BUSY then

V_error: = sqlerrm

Dbms_output.put_line (v_error);-- ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired

When others then

V_error: = sqlerrm

Dbms_output.put_line (111)

End

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