Download the table ddl without constraints

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• Dbms_metadata in a stored procedure. If the table is in the schema, run the stored procedure the procedure works very well.  If I try to get the table ddl to a different scheme it can't find table in a schema.  I run as an anonymous blocks and it works

  create or replace FUNCTION get_table_md (p_owner in varchar2, p_table IN VARCHAR2) RETURN CLOB IS
  -Define local variables.
  / * declare
  p_owner varchar2 (30): = "AVTYM";
  p_table IN VARCHAR2 (30): = "TRANSACTION_HEADER";
  */
  h NUMBER; -handle returned by OPEN
  e NUMBER; -handle returned by ADD_TRANSFORM
  p_tableref varchar2 (30);
  doc CLOB.
  Doc2 CLOB.
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  -Specify the type of object.
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  -Free resources.
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  RETURN doc;

  END;

  Hello

  check the privilege you may have granted by a role that you need direct access to the object and not by the role. You can test if you are granted by a role, by running the SET command role no and see if you can still run the anonymous block.

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• Create the table using check constraints

  I am trying to create a table with the following sql statement.
  
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  );
  
  
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    5  date1 DATE NULL ,
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    8  );
  
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  #1 data item is issued to the insert SQL in the form (null), while the other (#2) is calculated to the BIU trigger and causes (null) as well.

  What compulsion is signaled by the db?

  Same answer.

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• Strange behavior with DBMS_METADATA while Retriving Table DDL

  Hi again, I works the DBMS_METADATA package to retrieve the table DDL to a given schema. The problem I encounter is that I am only able to get a type of table DDL at a time and I'd like to be able to recover all types of tables. When I say type table I'm talking about traditional, ITO and partitioned, although I don't know that it applies to other types of.

  My system is running 11.2.0.3 on Redhat 6 x 64 with all current patches.

  Here's my setup. I created two tables for each type.

  create table table_normal1(
      column1 varchar2(30 char),
      column2 varchar2(30 char)    
      );
      
  create table table_normal2(
      column1 varchar2(30 char),
      column2 varchar2(30 char)    
      );    
  
  create table table_index_organized1(
      column1 varchar2(30 char),
      column2 varchar2(30 char),
      constraint pk_table_index_organized1 primary key (column1)
      )
      organization index;
  
  create table table_index_organized2(
      column1 varchar2(30 char),
      column2 varchar2(30 char),
      constraint pk_table_index_organized2 primary key (column1)
      )
      organization index;    
  
  create table table_partioned1(
      column1 varchar2(30 char),
      column2 varchar2(30 char)
      )
      partition by list(column1)(
          partition p1 values ('P1'),
          partition p2 values ('P2'),
          partition p3 values ('P3')
          );
          
  create table table_partioned2(
      column1 varchar2(30 char),
      column2 varchar2(30 char)
      )
      partition by list(column1)(
          partition p1 values ('P1'),
          partition p2 values ('P2'),
          partition p3 values ('P3')
          );
  

  And here is the anonymous block, that I am running.

  declare
      v_ddl_list sys.ku$_ddls;
      v_handle number;
      v_transform_handle number;
  begin
      v_handle := dbms_metadata.open(
          object_type => 'TABLE'
          );
      dbms_metadata.set_filter(
          handle => v_handle,
          name => 'SCHEMA',
          value => USER
          );
      v_transform_handle := dbms_metadata.add_transform (
          handle => v_handle,
          name => 'DDL'
          );
      dbms_metadata.set_transform_param(
          transform_handle => v_transform_handle,
          name => 'SQLTERMINATOR',
          value => true
          );
      dbms_metadata.set_transform_param(
          transform_handle => v_transform_handle,
          name => 'PRETTY',
          value => true
          );
      dbms_metadata.set_transform_param(
          transform_handle => v_transform_handle,
          name => 'SEGMENT_ATTRIBUTES',
          value => false
          );
      dbms_metadata.set_transform_param(
          transform_handle => v_transform_handle,
          name => 'REF_CONSTRAINTS',
          value => false
          );
      dbms_metadata.set_transform_param(
          transform_handle => v_transform_handle,
          name => 'CONSTRAINTS_AS_ALTER',
          value => true
          );
      dbms_metadata.set_count(
          handle => v_handle,
          value => 1000
          );    
      v_ddl_list := dbms_metadata.fetch_ddl(
          handle => v_handle
          );  
      open :p_output for select * from table(v_ddl_list) order by to_char(substr(ddltext,1,100));                
  end;
  /
  

  If I add a Filter Expression by name, I am able to find the other tables very well but I can't get the DDL for several types.

  dbms_metadata.set_filter(
      handle => v_handle,
      name => 'NAME_EXPR',
      value => 'IN (''TABLE_NORMAL1'',''TABLE_NORMAL2'')'
      );
  

  Is this a bug or just a limitation without papers? I looked at the documentation several times and I can't find anything that mentioned this problem.

  Thank you

  I just wanted to know for all I knew it was. You have call dbms_metadata.fetch_ddl repeatedly until it returns a null value. On our production systems, this returns the DDL for tables of 200 or more in 10 seconds. I missed this little note when I was reading the documentation in the "http://docs.oracle.com/cd/E11882_01/server.112/e22490/metadata_api.htm#SUTIL1626".

  Thank you

• Difference between the immediate and normal constraint primary key value

  Hello
  I tried the following to understand the difference between immediate constraint set and the primary normal stress
  

  create table cust (cust_id number ,cust_name varchar2(25));
  
  alter table cust add constraint cust_id_pk primary key(cust_id)
  deferrable initially deferred;
  
  SQL> insert into cust values(1,'raj');
  
  1 row created.
  
  SQL> insert into cust values(1,'sam');
  
  1 row created.
  
  SQL> commit;
  commit
  *
  ERROR at line 1:
  ORA-02091: transaction rolled back
  ORA-00001: unique constraint (SCOTT.CUST_ID_PK) violated
  
  
  SQL> set constraint cust_id_pk immediate;
  
  Constraint set.
  
  SQL> 
  SQL> insert into cust values(1,'lata');
  
  1 row created.
  
  SQL> insert into cust values(1,'lata');
  insert into cust values(1,'lata')
  *
  ERROR at line 1:
  ORA-00001: unique constraint (SCOTT.CUST_ID_PK) violated

  The above error violation even works for a normal constraints primary / unique
  
  So what is the use of the command
  
  immediate Set constraint cust_id_pk;
  
  
  Thank you

  So what is the use of the command

  In fact, the use of the command when you're dealing with foreign key constraints. As explained below

   SQL>  create table cust (cust_id number ,cust_name varchar2(25), supplier_id number);
  
  Table created.
  
  SQL> create table supp(supplier_id number);
  
  Table created.
  
  SQL> alter table supp add primary key(supplier_id);
  
  Table altered.
  
  SQL>  ALTER TABLE cust ADD CONSTRAINT fk_cust_supp
    2    FOREIGN KEY (supplier_id)
    3    REFERENCES supp (supplier_id)
    4    DEFERRABLE
    5    INITIALLY deferred;
  
  Table altered.
  

  To insert a line in the cust table without entering Ref provider table supp

  SQL> insert into cust values(1,'raj',111);
  
  1 row created.
  

  Line by 1 created successfully (attention this validation is not yet done) because the foreign key constraint is initially deferred.

  Now

  SQL> set constraint fk_cust_supp immediate;
  set constraint fk_cust_supp immediate
  *
  ERROR at line 1:
  ORA-02291: integrity constraint (OWNER.FK_CUST_SUPP) violated - parent key not found
  

  Since Ref no outs in extra table so forced provider violated.

  allows to insert a row in the vendor corresponding with the vendor id in the cust table id

  SQL> insert into supp values(111);
  
  1 row created.
  

  Now, try

  SQL> set constraint fk_cust_supp immediate;
  
  Constraint set.
  

  but now, if you try to insert a row into the table cust without this vendor id in table supp, it give error (since now forced to check from the inserted row, even will not wait for commit)

  SQL>  insert into cust values(3,'bob',222);
   insert into cust values(3,'bob',222)
  *
  ERROR at line 1:
  ORA-02291: integrity constraint (OWNER.FK_CUST_SUPP) violated - parent key not found
  

  Also, in the case of primary key constraints will be checked when you perform VALIDATION, otherwise that it will allow you to insert the second row.

  SQL> alter table cust add constraint cust_id_pk primary key(cust_id)
    2  deferrable initially deferred;
  
  Table altered.
  
  SQL> insert into cust values(1,'raj');
  
  1 row created.
  
  SQL> insert into cust values(1,'sam');
  
  1 row created.
  
  SQL> insert into cust values(1,'bob');
  
  1 row created.
  
  SQL> commit;
  commit
  *
  ERROR at line 1:
  ORA-02091: transaction rolled back
  ORA-00001: unique constraint (OWNER.CUST_ID_PK) violated
  
  SQL> 
  

  SQL> drop table cust;
  
  Table dropped.
  
  SQL> create table cust (cust_id number ,cust_name varchar2(25));
  
  Table created.
  
  SQL> alter table cust add constraint cust_id_pk primary key(cust_id)
    2  deferrable initially deferred;
  
  Table altered.
  
  SQL> set constraint cust_id_pk immediate;
  
  Constraint set.
  
  SQL> insert into cust values(1,'raj');
  
  1 row created.
  
  SQL>  insert into cust values(1,'sam');
   insert into cust values(1,'sam')
  *
  ERROR at line 1:
  ORA-00001: unique constraint (OWNER.CUST_ID_PK) violated
  
  SQL> 
  

  Published by: Azhar Husain on July 27, 2011 12:01

• Oracle DB 11.2.0.4: Impossible to activate the table lock after having stopped it

  Hello

  I use Oracle Database 11.2.0.4.

  After reading the documentation on how to prevent unwanted table DDL statement.

  I found a way to do this in by issuing 'edit the table < table_name > disable table lock'.

  Turn it off doesn't work, however I can not re - activate.

  The error message is:

  ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired

  I want to activate the lock, because I need to add new columns to this table.

  I was digging on several threads that have the same problem as mine. But none of them gives any acceptable solution.

  Impossible to activate the table lock after disablng it

  ALTER table enable table lock blocking

  However, a poster responds by quoting the documentation that says: (Note: I can't find what doc says)

  'Specify the TABLE LOCK ACTIVATE to activate the table locking, allowing operations on the table DDL. All currently process transactions must commit or roll before Oracle database allows table locking. »

  
  

  By the way:

  1. the table is mine and nobody knows there are (therefore, it would be just me which undoubtedly make any DML at it, and I did not).

  2. I've disabled the lock table months ago and tried to turn it back on because I want to add the new column to the table.

  
  

  It means that I have to wait for that "ALL transactions running" happening on the current scheme being validated or cancelled?

  The table itself is located on the stops and never schema of production on which transactions take place continuously.
  

  
  

  Is it true that Oracle expects all execute transactions? Is it known bug?

  Why would Oracle wait as all transactions which has nothing to do with the underlying table?

  Is there no workaround solution to solve this?

  
  

  Note:

  I tried to deactivate - activate the table locking on the development database (which has less transaction) and it works fine.

  
  

  Kind regards

  
  

  Buntoro
  

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  Quiesce

  --

  John Watson

  Oracle Certified Master s/n

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