CONSTRAINT ENABLE & DISABLE

Here sql command files to disable and enable all constraints:

Disable:

set feedback off
set verify off
set echo off
prompt Finding constraints to disable...
set termout off
set pages 80
set heading off
set linesize 120
spool tmp_disable.sql
select 'spool igen_disable.log;' from dual;
select 'ALTER TABLE '||substr(c.table_name,1,35)||
' DISABLE CONSTRAINT '||constraint_name||' ;'
from user_constraints c, user_tables u
where c.table_name = u.table_name;
select 'exit;' from dual;
set termout on
prompt Disabling constraints now...
set termout off
@tmp_disable.sql;
exit
/


Enable:

set feedback off
set verify off
set wrap off
set echo off
prompt Finding constraints to enable...
set termout off
set lines 120
set heading off
spool tmp_enable.sql
select 'spool igen_enable.log;' from dual;
select 'ALTER TABLE '||substr(c.table_name,1,35)||
' ENABLE CONSTRAINT '||constraint_name||' ;'
from user_constraints c, user_tables u
where c.table_name = u.table_name;
/
select 'exit;' from dual;
set termout on
prompt Enabling constraints now...
set termout off
@tmp_enable;
!rm -i tmp_enable.sql;
exit
/