** SQL for DDL question

From: A Joshi <ajoshi977_at_yahoo.com>
Date: Wed, 19 Dec 2007 18:20:05 -0800 (PST)
Message-ID: <422619.85328.qm@web58010.mail.re3.yahoo.com>

Yes. MV on MV works. Just wanted to know if any issue or risks with it.

Another question :

For getting sql being executed by a session I generally use v$sqlarea.sql_text by joining it with v$session. However, I see that sometimes if a session is doing DDL like create I cannot get the SQL being executed. Is there some other way of getting ddl sql being executed. It is needed specially in case of heavy load and trying to find out what a long running session is doing.

Thanks for help.

"Michael W. Fontana" <m.fontana_at_ntta.com> wrote:

I don't think you can create an MV based upon another MV.

Michael Fontana
Sr. Database Administrator
NTT America
P:214.853.7405
M:214.912.3705

From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org] On Behalf Of A Joshi Sent: Thursday, October 25, 2007 8:54 AM To: oracle-l_at_freelists.org
Subject: ** MV questions

Hi,

I am gettting error ORA-12014 when creating a MV on local table with complete refresh. Not on MV log create. Sounds strange. Primary key cannot be created on this table. I do not need fast refresh anyway. Why does it need PK for complete refresh. I tried creating a MV log with rowid option on the table and that did not help either. Any workaround.
Is there any issue with creating a MV on a MV. For some reason access is not available to the original table.
For getting sql being executed by a session I generally use v$sqlarea.sql_text by joining it with address. However, I see that sometimes if a session is doing DDL like create I cannot get it. Is there some other way of getting ddl. Especially in case of heavy load and trying to find out what a long running session is doing.
What is the difference between Number and decimal datatype : Manual says : DECIMAL A decimal number with up to 15 significant digits.

NUMBER
A decimal number with up to 38 significant digits. When I specify DECIMAL in the create table and then look at describe table I see it creates it as NUMBER. On 9i. So is it synonymous or is there something DECIMAL can do that NUMBER cannot or vice versa.

5) I have schema schemaA which has a table tableA, tableB. Another schema schemaB has a view viewA selecting from these tables. There is user userC who needs to select from view viewA. I gave grant on schemaA tables to schemaB with "grant option". Then select on viewA was granted to userC. Did not work. : error : ORA-01031: insufficient privileges
Then after long struggle I gave select any table select any dictionary to userD. It works with just those two privs. Howver if I grant select on viewA to userC it does not work. STrange.

Please help on any of the above items. Sorry about too many Q. Thanks for help.

Thanks

Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

This email message is intended for the use of the person to whom it has been sent,and may contain information that is confidential or legally protected. If you are not the intended recipient or have received this message in error, you are not authorized to copy, distribute, or otherwise use this message or its attachments.Please notify the sender immediately by return e-mail and permanently delete this message and any attachments. NTT America makes no warranty that this email is error or virus free. Thank you . ****************************************************************

Looking for last minute shopping deals? Find them fast with Yahoo! Search.

--
http://www.freelists.org/webpage/oracle-l

Received on Wed Dec 19 2007 - 20:20:05 CST