How to take the database waiting for return in redo apply a State of

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  Published by: BluShadow on April 1st, 2011 15:08
  formatting of code and hierarchy for readbility

  Have you looked to see if there is a cycle in the graph of dependence? Is there a table that has a foreign key to B and B has a back of A foreign key?

  SQL> create table my_emp (
    2    emp_id number primary key,
    3    emp_name varchar2(10),
    4    manager_id number
    5  );
  
  Table created.
  
  SQL> ed
  Wrote file afiedt.buf
  
    1  create table my_mgr (
    2    manager_id number primary key,
    3    employee_id number references my_emp( emp_id ),
    4    purchasing_authority number
    5* )
  SQL> /
  
  Table created.
  
  SQL> alter table my_emp
    2    add constraint fk_emp_mgr foreign key( manager_id )
    3         references my_mgr( manager_id );
  
  Table altered.
  
  SQL> ed
  Wrote file afiedt.buf
  
    1   select level lvl,
    2          child_table_name,
    3          sys_connect_by_path( child_table_name, '/' ) path
    4     from (select parent.table_name      parent_table_name,
    5                  parent.constraint_name parent_constraint_name,
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   13           union all
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   15                  null,
   16                  table_name,
   17                  constraint_name
   18             from user_constraints
   19            where constraint_type = 'P')
   20    start with child_table_name = 'MY_EMP'
   21*  connect by prior child_table_name = parent_table_name
  SQL> /
  ERROR:
  ORA-01436: CONNECT BY loop in user data
  

  If you have a cycle, you have some problems.

  (1) it is a NOCYCLE keyword does not cause the error, but that probably requires an Oracle version which is not so far off support. I don't think it was available at the time 9.2 but I don't have anything old enough to test on

  SQL> ed
  Wrote file afiedt.buf
  
    1   select level lvl,
    2          child_table_name,
    3          sys_connect_by_path( child_table_name, '/' ) path
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   13           union all
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   15                  null,
   16                  table_name,
   17                  constraint_name
   18             from user_constraints
   19            where constraint_type = 'P')
   20    start with child_table_name = 'MY_EMP'
   21*  connect by nocycle prior child_table_name = parent_table_name
  SQL> /
  
         LVL CHILD_TABLE_NAME               PATH
  ---------- ------------------------------ --------------------
           1 MY_EMP                         /MY_EMP
           2 MY_MGR                         /MY_EMP/MY_MGR
           1 MY_EMP                         /MY_EMP
           2 MY_MGR                         /MY_EMP/MY_MGR
  

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  -Can generate the DDL for all unique key constraints
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  This is not solidarity all the DOF for a given in the file object. But the SQL will be radically simpler writing - there will be no need to even look at the dependency graph.

  Justin

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  [grid@demo1 ~] $ crsctl stat res t
  --------------------------------------------------------------------------------
  TARGET STATE SERVER STATE_DETAILS NAME
  --------------------------------------------------------------------------------
  Local resources
  --------------------------------------------------------------------------------
  ORA. DATA.dg
  Demo1 ONLINE
  Demo2 online
  ORA. LISTENER.lsnr
  Demo1 ONLINE
  Demo2 online
  ORA.asm
  Demo1 Started online
  Demo2 Started ONLINE
  ORA. GSD
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  Demo2 offline offline
  ORA.net1.Network
  Demo1 ONLINE
  Demo2 online
  ORA.ons
  Demo1 ONLINE
  Demo2 online
  --------------------------------------------------------------------------------
  Cluster resources
  --------------------------------------------------------------------------------
  ORA. LISTENER_SCAN1. LSNR
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  ORA.demo2.VIP
  1 demo2 online
  ORA. CVU
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  ORA. OC4J
  1 demo1 ONLINE
  ORA.scan1.VIP
  1 demo1 ONLINE
  
  Published by: 969880 on November 13, 2012 14:18

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  1 how to recover the database and put online
  
  Any help will be much appreciated.
  
  Regarding
  Hemant Joshi
  
  Published by: hem_Kec on 7 Sep 2008 09:07

  Hello

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