Dropping schema and associated objects

I have just had a request to drop a particular schema with the associated objects...how do i go about it

Hi,
Its simple, use the follow sintaxe:
DROP USER <schema> CASCADE;
I hope help you!
Jonathan Ferreira - Brazil
http://www.ebs11i.com.br

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hi!
we have oracle 10g on rhel4.
we do have business object XI
even if i have restricted the permissions for the users, why do i see all the schemas and there objects like CTXSYSM, DBSNMP, SYS when i connect throught the universe of BUSINESS OBJECT XI.
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since public pseudo role has a lot of privileges (select, insert, execute, delete) on many of the objects in CTXSYS, SYS, DBSNMP schemas. Also a user can run a select on ALL_ and USER_ tables and views from the dictionary.
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Hi,
I have tried to register a XML schema with many global elements but failed.
I have checked the view DBA_XML_SCHEMA and found that there is an entry for this failed XML schema and the disk spaces would not be freed after the failure of registration as well.
I have tried DBMS_XMLSCHEMA.deleteSchema() with DELETE_CASCADE_FORCE but failed with ORA-31000: Resource is not XDB document.
How can I identify and delete the objects for this failed XML schema and free up the disk space ?
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Error: Cannot drop schema because it is being referenced by object

My database has a schema with the same name as a user (let's call it 'username'). This schema was not explicitly created. I want to drop the User 'username' but I have to drop the schema 'username' first; However, when I tried to do that I got the message...
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There is a view named 'vw_Inventory' but I don't see where it's referencing this schema, or any schema for that matter. Why would I get this error and how do I resolve it so I can drop the Schema and User?
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If a Schema has some objects in it, then you cannot drop that Schema until you remove all the objects out of it. You can change the schema owner
to another database principal and drop the user like,
Alter Authorization ON Schema::username TO DBO; Drop User username;
other option would be
Transfer the username schema objects to a different schema and drop username schema and user like.
Alter Schema DBO Transfer Username.[OBEJECTNAME] ;
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Drop User username;
Regards,
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I did not mention this, but I also already tried that without success. Whether 'DEPARTMENT_VIEW' or 'DEPARTMENTVIEW', I still get 'no data found'. I did not expect to succedd with 'DEPARTMENT_VIEW' just like that, because it is the name of the view in the other schema (HR) hence I made the synomyn 'DEPARTMENTVIEW' pointing to it, which hasn't worked either.
I tried this query :
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and got the record, but I don't know how to merge this result to a query on 'USER_TAB_COLUMNS' to get the
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I have an interruption during installing the central instance of a SAP Netweaver 04s System. After I restarted the installation I found this message in the Log file.
ERROR 2006-08-16 16:17:04
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ERROR 2006-08-16 16:17:04
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Hello,
I got the similar error....but i did reinstall from o.s. and done the installation again...it was worked successfully..
if you find out alternate solution for that ...please let us know..
Regards,

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I have to export schema with all objects but i need to ingnore some of the table data.
There are 4 table those have huge data, we need not to export those tables data but structure should export.
Thanks,
Nr

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expdp ... query=schema1.table1:"where rownum = 0" query=schema2.table2:"where rownum = 0" ...
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How to drop schema objects without dropping user in one pass?

HI,
I am after some PL/SQL that can drop all the objects that a user has, without dropping the user himself.
I can write a query that spool SQL to a script to drop all the appropriate objects, but it has to be run multiple times as some things can not be dropped before other objects which may appear later in the script.
I want a script that developers can run once to drop all their objects.
Can anyone point me in the right direction?
Thanks

Hi,
but it has to be run multiple times as some things can not be dropped beforeDid you use cascade constraints ?
select 'drop '||object_type||' '|| object_name|| DECODE(OBJECT_TYPE,'TABLE',' CASCADE CONSTRAINTS;',';')
from user_objects
I want a script that developers can run once to drop all their objects.With a PL/SQL, and a loop on user_object.
But if you drop all objects, why not drop/recreate user ?
Nicolas.
Message was edited by:
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ERRORS IN PORTAL WHEN DROPPING SCHEMA OWNER

I ran a PDK demo script and added 2 db packages to a schema in the portal repository. After running theses porlets, I decided to attempt to create my own. Prior to adding to the schema I wanted to clean out the old db packages. I thought the easy way would be to drop the user schema and recreate it clean. I attempted to drop the user schema by entering portal as orcladmin, clicking on navigator, then db objects, selected the schema I wanted to drop and it sat there for a few minutes and returned errors. I then opened SQLplus and dropped the user cascade. I noticed that the provider is still in the providers tab list, but can't delete it. I then attempted to re-create the schema using same name and I get additional errors in portal (see upload file: createrror2.jpg. I need to 1) drop the old provider and 2) recreate a new schema and provider that I will use for my portal/portlets.
Any suggestions.

I ran a PDK demo script and added 2 db packages to a schema in the portal repository. After running theses porlets, I decided to attempt to create my own. Prior to adding to the schema I wanted to clean out the old db packages. I thought the easy way would be to drop the user schema and recreate it clean. I attempted to drop the user schema by entering portal as orcladmin, clicking on navigator, then db objects, selected the schema I wanted to drop and it sat there for a few minutes and returned errors. I then opened SQLplus and dropped the user cascade. I noticed that the provider is still in the providers tab list, but can't delete it. I then attempted to re-create the schema using same name and I get additional errors in portal (see upload file: createrror2.jpg. I need to 1) drop the old provider and 2) recreate a new schema and provider that I will use for my portal/portlets.
Any suggestions.

Compare 2 schemas and get the difference with .sql file.

Hi,
I am using ORACLE DATABASE 11g R2 and ORACLE Linux 5.
I want to perform a very lengthy process and want to make it automated.
I am having a software named as SVN. In which all the developers keep their updated scripts.
We have 2 schema's one is used for developement and when all the development seems good we implement the scripts on the final schema which is used by testing people also.
Now every day we need to check the modifications in the development schema, that we do by observing the updated scripts in the SVN software. Now we get the scripts which are modified.
We will fire this scripts to a sample schema then we will compare the objects in this schema and the same objects in our final schema. If the objects in sample schema is different than the final schema it should give me the
script to create the same type object in the final schema.
Below is a proper example to explain :-
Developement Schema :- 'DEV'
SVN Script Schema :- 'SVNscript'
Main Schema :- 'MAIN'
1) On Monday developers modified/added 4 tables in the development schema names 'DEV' after working for a day they found that the changes are necessary and so checked-in in the SVN software.
2) On tuesday morning we found 4 scripts which has been modified/added in the SVN.
The Scripts were as follows :-
1St table :- An extra column was added.
2nd table :- An index was created on it.
3rd table :- 2 Columns were dropped from it.
4th table :- A new table is added in the schema.
Now taking these 4 scripts i am going to execute it in a sample schema named :- SVNscript
SVNscript schema will have now 4 tables with proper properties(columns,indexes,...). Now this is the final table structure as we want in our 'MAIN' schema .
Coming to MAIN schema which is our most important schema and all the development work is finally posted here.Considering MAIN schema is having around 1000 tables,500 function/procedure/package and many more DB objects.
I want to compare(one way compare) from SVNscript schema --> MAIN schema :- That the objects present in the SVNscripts schema is same or not in the MAIN schema. If its not same then this code should generate a .sql script for me which i should be able to fire on the MAIN schema.
The output .sql scripts should be something like this :-
1st Table :- Alter table add...
2nd Table :- Create index on table...
3rd Table :- Alter table drop...
4th table :- Create table tablename...
I found a link while trying this but it is not the perfect fit to my requirement
http://www.dbspecialists.com/files/scripts/compare_schemas.sql
Please let me know the best code to compare 2 schemas and get a .sql file as output of the difference.
Thanks in advance.

Yes I followed the tutorial properly this time. Still i have a few queries :-
1) This is returning me the 'ALTER TABLE...' statement but how to make it more efficient to return all the DDL dependent on the table, Like index,trigger,view...
2) I want to compare objects in a different schema on a different db. I have created an DBLINK but how to use it ... can i use it like
DBMS_METADATA.OPEN('TABLE'," Network_link_name " );Can you please give me some clear about it.
3) I created a table 'TAB1' with which i want to compare a 'TAB1' in other schema.I was not getting how to compare on remote dblink so,I created the same table with the following code in the same schema
CREATE TABLE TAB1_OLD as select * from TAB1@DBLINK where 1=2;Now when i fire the below query to get the alter difference I get the following error :-
SQL> SELECT get_table_alterddl('TAB1','TAB1_old') FROM dual;
SELECT get_table_alterddl('TAB1','TAB1_old') FROM dual
ORA-31603: object "TAB1_old" of type TABLE not found in schema "SVNCHECK"
ORA-06512: at "SYS.DBMS_METADATA", line 5225
ORA-06512: at "SYS.DBMS_METADATA", line 5189
ORA-06512: at "SVNCHECK.GET_TABLE_SXML", line 17
ORA-06512: at "SVNCHECK.COMPARE_TABLE_SXML", line 12
ORA-06512: at "SVNCHECK.GET_TABLE_ALTERXML", line 11
ORA-06512: at "SVNCHECK.GET_TABLE_ALTERDDL", line 11
Can you please guide me why i am getting this error?
I have made sure that TAB1_OLD table has been created and the entries are also present in the data dictionary tables.
SQL> select * from tab1_old;
EMPNO ENAME MGR DEPTNO
----- -------------------- ----- ------The only difference is that this table was created with CREATE TABLE AS SELECT statement ....
Thanks.

Dropping schema in production...

Hi
We are implementing a block point in our production database.Can I drop and recreate the schema (owner) instead of dropping the schema objects incase there is a backout and the database/schema has to be restored. I will be taking a full DB export before the activity starts.I want to be 100% sure since this is production...Thanks!

Hi
Again , i will remind you don't depends on Oracle exp/imp or datapump because this is not the physical backup . I suggest you to take backup using Rman full backup . Since you are performing it on production and in case something wrong happen then you can recover to your previous state .
Once you have rman backup then extract the ddl (say roles,privileges, user ) ,and then you can drop the schemas and re-create it after running the ddl's . Check the link to extract the DDL's
http://neeraj-dba.blogspot.in/2011/12/dbmsmetadata-package-to-extract-all-ddl.html
Hope this may help you
Good Luck
--neeraj

Dropping schema and associated objects

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