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Creating the Streams Administrator

Oracle Tips by Burleson 

Creating the Streams Administrator

A user will have to be created to act as the Streams administrator. Any name can be given to the user, as there is no restriction on naming conventions.  However, it is recommended that a new tablespace be created for the use of the Streams administrator account. By using a separate tablespace, a place is created for all of the related objects in this tablespace. This separate tablespace makes it easy to manage and monitor the growth of the tablespace.

The following SQL statements show the steps for the creation of the tablespace, creation of the Streams administrator account, and the granting of necessary privileges to that administrator account.

setup_streams.sql

-- *************************************************

spool setup_strmadm.log

PROMPT (1) ** Creating tablespace strm_tbs
CREATE TABLESPACE strm_tbs DATAFILE
'/app/oracle/DNYTST10/data/strmtbs_01.dbf' SIZE 500M
EXTENT MANAGEMENT LOCAL UNIFORM SIZE 4M
/

PROMPT (2) ** Creating  User strmadm
CREATE USER strmadm IDENTIFIED BY strmadm
DEFAULT TABLESPACE strm_tbs QUOTA UNLIMITED ON strm_tbs
/


PROMPT 3) ** Grant the privilege
GRANT CONNECT, RESOURCE, DBA TO strmadm
/

PROMPT 4) ** Use the AUTH package function to grant privilege
BEGIN
DBMS_STREAMS_AUTH.GRANT_ADMIN_PRIVILEGE(
grantee                          => 'strmadm',
grant_privileges => true);
END;
/

SPOOL OFF

With the above code, the STRMADM user has been created. By using the dbms_streams_auth.grant_admin_privilege procedure, in a single operation, all of the necessary privileges were granted to the STRMADM user.

Alternately, a series of SQL statements can be generated that grant various privileges. Using this method gives the DBA better control over the kinds of privileges that are granted. For example, the main Streams administrator account may be created with all of the privileges of database administrators. However, for another application group or user, it may be desirable to create additional Streams administrator accounts with selected privileges only.

The next example shows how to generate the script file containing the SQL statements that grants various privileges to the Streams administrator account. By careful selection of required privileges, the DBA is able create multiple users with different degree of privileges.

-- First ensure we have a Directory Object

CREATE DIRECTORY admin_dir AS '/app/oracle/DNYTST10/data'
/

-- generate the Script File

BEGIN
DBMS_STREAMS_AUTH.GRANT_ADMIN_PRIVILEGE(
grantee                          => 'strmadm',
grant_privileges => false,
file_name           => 'grant_strms_privs.sql',
directory_name              => 'admin_dir');
END;
/

 

 


The above text is an excerpt from:

Oracle Streams
High Speed Replication and Data Sharing

ISBN 0-9745993-5-2

by Madhu Tumma
 


Download your Oracle scripts now:

www.oracle-script.com

The definitive Oracle Script collection for every Oracle professional DBA

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