Problems creating Materialized View

Hello,
i have Problems with the creation of a materialized view with the following sql-statement:
     SELECT Tag_ID, ROWNUM AS RowNr
     FROM L_tag
     ORDER BY tag_id ASC
in the table L_tag is only one column (tag_id) that contains all dates (1895.01.01 - 2020.01.01) as numbers (format like: 20020508)
if i create the materialized view, no errors occures. if i check later the sql-statement of this materialized view, there is no ORDER BY!!:
     SELECT Tag_ID, ROWNUM AS RowNr
     FROM L_tag
has anyone an idea, why oracle don't accept the order by clause?
thanks,
Dome

has anyone an idea, why oracle don't accept the order by clause?Yes, because Oracle stores data in an unorderred fashion (except for IOT, but that's different matter). So your ORDER BY clause makes no sense for stored data.
You must use ORDER BY when doing the final select from the MV (...).
Regards,
Yoann.

Similar Messages

Problem creating materialized view

OK, I'm totally new in using materialized views.
I'm trying to create one and to make it refreshed on commit
CREATE MATERIALIZED VIEW VK_CLIENT build immediate refresh fast on commit AS
select c1.code,
c1.fiche fiche_1,
decode( c1.sfam, '04',
decode( c7.sfam, '04', 'M. et Mme', c1.lnte ), c1.lnte ) lnte_1,
decode( c1.sfam, '04',
decode( c7.sfam, '04',
decode( c1.lnte, 'M.', c1.libe, c7.libe ), c1.libe ), c1.libe ) libe_1,
decode( c1.sfam, '04',
decode( c7.sfam, '04',
decode( c1.lnte, 'M.', substr( c1.libe, 1, c1.lgnom ), substr( c7.libe, 1, c7.lgnom ) ), substr( c1.libe, 1, c1.lgnom ) ), substr( c1.libe, 1, c1.lgnom ) ) nom_1,
decode( c1.sfam, '04',
decode( c7.sfam, '04',
decode( c1.lnte, 'M.', initcap( substr( c1.libe, c1.lgnom + 2 ) ), initcap( substr( c7.libe, c7.lgnom + 2 ) ) ), initcap( substr( c1.libe, c1.lgnom + 2 ) ) ), initcap( substr( c1.libe, c1.lgnom + 2 ) ) ) prenom_1,
decode( c1.sfam, '04', decode( c7.sfam, '04', decode( c1.lnte, 'Mlle', 'Mme', c1.lnte ), c1.lnte ), c1.lnte ) lnte_1_bis,
c1.libe libe_1_bis,
substr( c1.libe, 1, c1.lgnom ) nom_1_bis,
initcap( substr( c1.libe, c1.lgnom + 2 ) ) prenom_1_bis,
c1.sfam sfam_1,
c1.dnai dnai_1,
decode( to_char( c1.dnai, 'dd' ), '01', '1er',
decode( substr( to_char( c1.dnai, 'dd' ), 1, 1 ), 0, substr( to_char( c1.dnai, 'dd' ), 2 ), to_char( c1.dnai, 'dd' ) ) ) || ' ' ||
rtrim( to_char( c1.dnai, 'month', 'nls_date_language = french' ) ) || to_char( c1.dnai, ' yyyy' ) dnai_fr_1,
c1.horsfoyer horsfoyer_1,
decode( c1.lnte, 'Mlle', 'f', 'Mme', 'f', 'M.', 'm' ) accord_1,
c7.fiche fiche_7,
decode( c1.sfam, '04',
decode( c7.sfam, '04', null, c7.lnte ), c7.lnte ) lnte_7,
decode( c1.sfam, '04',
decode( c7.sfam, '04', null, c7.libe ), c7.libe ) libe_7,
decode( c1.sfam, '04',
decode( c7.sfam, '04', null, substr( c7.libe, 1, c7.lgnom ) ), substr( c7.libe, 1, c7.lgnom ) ) nom_7,
decode( c1.sfam, '04',
decode( c7.sfam, '04', null, initcap( substr( c7.libe, c7.lgnom + 2 ) ) ), initcap( substr( c7.libe, c7.lgnom + 2 ) ) ) prenom_7,
decode( c7.sfam, '04', decode( c1.sfam, '04', decode( c7.lnte, 'Mlle', 'Mme', c7.lnte ), c7.lnte ), c7.lnte ) lnte_7_bis,
c7.libe libe_7_bis,
substr( c7.libe, 1, c7.lgnom ) nom_7_bis,
initcap( substr( c7.libe, c7.lgnom + 2 ) ) prenom_7_bis,
c7.sfam sfam_7,
c7.dnai dnai_7,
decode( to_char( c7.dnai, 'dd' ), '01', '1er',
decode( substr( to_char( c7.dnai, 'dd' ), 1, 1 ), 0, substr( to_char( c7.dnai, 'dd' ), 2 ), to_char( c7.dnai, 'dd' ) ) ) || ' ' ||
rtrim( to_char( c7.dnai, 'month', 'nls_date_language = french' ) ) || to_char( c7.dnai, ' yyyy' ) dnai_fr_7,
decode( c7.lnte, 'Mlle', 'f', 'Mme', 'f', 'M.', 'm' ) accord_7,
initcap( decode( instr( lower( c1.adr1 ), 'log' ), '1', c1.adr2, decode( instr( lower( c1.adr1 ), 'bât' ), '1', c1.adr2, c1.adr1 ) ) ) adr1,
initcap( decode( decode( instr( lower( c1.adr1 ), 'log' ), '1', c1.adr2, decode( instr( lower( c1.adr1 ), 'bât' ), '1', c1.adr2, c1.adr1 ) ), c1.adr2, null,
decode( instr( lower( c1.adr2 ), 'log' ), '1', c1.adr3, decode( instr( lower( c1.adr2 ), 'bât' ), '1', c1.adr3, c1.adr2 ) ) ) ) adr2,
initcap( decode( instr( lower( c1.adr3 ), 'log' ), '1', null, decode( instr( lower( c1.adr3 ), 'bât' ), '1', null, c1.adr3 ) ) ) adr3,
c1.ptt,
c1.lcom,
decode( c7.fiche, null, decode( c1.lnte, 'Mme', 'Madame', 'Mlle', 'Mademoiselle', 'M.', 'Monsieur', 'Monsieur' ),
decode( nvl( c1.sfam, '07' ), '04',
decode( nvl( c7.sfam, '07' ), '04', 'Madame, Monsieur',
decode( c1.lnte,
'Mme', decode( c7.lnte, 'Mme', 'Mesdames', 'Mlle', 'Madame, Mademoiselle', 'M.', 'Madame, Monsieur', 'Madame, Monsieur' ),
'Mlle', decode( c7.lnte, 'Mme', 'Madame, Mademoiselle', 'Mlle', 'Mesdemoiselles', 'M.', 'Mademoiselle, Monsieur', 'Mademoiselle, Monsieur' ),
'M.', decode( c7.lnte, 'Mme', 'Madame, Monsieur', 'Mlle', 'Mademoiselle, Monsieur', 'M.', 'Mesieurs', 'Mesieurs' ),
'. ', decode( c7.lnte, 'Mme', 'Madame, Monsieur', 'Mlle', 'Mademoiselle, Monsieur', 'M.', 'Mesieurs', 'Mesieurs' ),
decode( c1.lnte,
'Mme', decode( c7.lnte, 'Mme', 'Mesdames', 'Mlle', 'Madame, Mademoiselle', 'M.', 'Madame, Monsieur', 'Madame, Monsieur' ),
'Mlle', decode( c7.lnte, 'Mme', 'Madame, Mademoiselle', 'Mlle', 'Mesdemoiselles', 'M.', 'Mademoiselle, Monsieur', 'Mademoiselle, Monsieur' ),
'M.', decode( c7.lnte, 'Mme', 'Madame, Monsieur', 'Mlle', 'Mademoiselle, Monsieur', 'M.', 'Mesieurs', 'Mesieurs' ),
'. ', decode( c7.lnte, 'Mme', 'Madame, Monsieur', 'Mlle', 'Mademoiselle, Monsieur', 'M.', 'Mesieurs', 'Mesieurs' ),
'-' ) ) ) lnte_long,
decode( c1.cfam, null, c7.cfam, c1.cfam ) cfam,
decode( c1.cfam, null, c7.allo, c1.allo ) allo,
decode( c1.sexe, 'm', decode( c7.sexe, null, 'ms', 'm', 'mp', 'f', 'mp' ), 'f', decode( c7.sexe, null, 'fs', 'm', 'mp', 'f', 'fp' ), '-' ) accord,
c9.fiche fiche_9,
c9.lnte lnte_9,
c9.libe libe_9,
substr( c9.libe, 1, c9.lgnom ) nom_9,
initcap( substr( c9.libe, c9.lgnom + 2 ) ) prenom_9,
initcap( decode( instr( lower( c9.adr1 ), 'log' ), '1', c9.adr2, decode( instr( lower( c9.adr1 ), 'bât' ), '1', c9.adr2, c9.adr1 ) ) ) adr1_9,
initcap( decode( decode( instr( lower( c9.adr1 ), 'log' ), '1', c9.adr2, decode( instr( lower( c9.adr1 ), 'bât' ), '1', c9.adr2, c9.adr1 ) ), c9.adr2, null,
decode( instr( lower( c9.adr2 ), 'log' ), '1', c9.adr3, decode( instr( lower( c9.adr2 ), 'bât' ), '1', c9.adr3, c9.adr2 ) ) ) ) adr2_9,
initcap( decode( instr( lower( c9.adr3 ), 'log' ), '1', null, decode( instr( lower( c9.adr3 ), 'bât' ), '1', null, c9.adr3 ) ) ) adr3_9,
c9.ptt ptt_9,
c9.lcom lcom_9,
decode( c9.lnte, 'Mlle' , 'Mademoiselle', 'Mme', 'Madame', 'M.', 'Monsieur', 'M. et Mme', 'Madame, Monsieur', null ) lnte_long_9,
decode( c9.sexe, 'm', 'ms', 'f', 'fs', null, null, '-' ) accord_9,
no.nbocc
from client c1,
client c7,
client c9,
select z.code code,
count(*) nbocc
from client z
where to_char( sysdate, 'yyyymmdd' ) between to_char( z.cdeb, 'yyyymmdd' ) and to_char( nvl( z.cfin, sysdate ), 'yyyymmdd' )
group by z.code
) no
where c1.code = c7.code (+)
and c1.role = '1'
and c7.role (+) ='7'
and nvl( c7.horsfoyer (+), 0 ) = '0'
and to_char( nvl( c7.cfin (+), sysdate ), 'yyyymmdd' ) >= to_char( sysdate, 'yyyymmdd' )
and c1.code = c9.code (+)
and c9.role (+) = '9'
and to_char( nvl( c9.cfin (+), sysdate ), 'yyyymmdd' ) >= to_char( sysdate, 'yyyymmdd' )
and c9.lnte (+) not in ( '. ', 'Assoc.', 'Ste' )
and c9.lcom (+) is not null
and c1.code = no.code (+);when doing so, I'm getting a ORA-12054:
ORA-12054: cannot set the ON COMMIT refresh attribute for the materialized view
12054. 00000 - "cannot set the ON COMMIT refresh attribute for the materialized view"
*Cause: The materialized view did not satisfy conditions for refresh at
commit time.
*Action: Specify only valid options.
When I create the materialized view with just CREATE MATERIALIZED VIEW "H6801_GL_00"."VK_CLIENT" AS
it works but the refresh is only "ON DEMAND"...
Can't find how and why it won't work...
Edited by: MacFizz on Dec 17, 2009 3:22 PM

You could try the DBMS_MVIEW.TUNE_MVIEW and check if you can modify you materialized view or "refactor" it in a smaller, fast refreshable part that you could combine later to the sysdate/rownum part of it.
http://download.oracle.com/docs/cd/E11882_01/server.112/e10821/advisor.htm
Explanation on restrictions of fast refresh:
http://download.oracle.com/docs/cd/E11882_01/server.112/e10706/repmview.htm
Below there's an example of a fast refreshable mview, on creating the materialized view log and so on:
http://download.oracle.com/docs/cd/E11882_01/server.112/e10592/statements_6002.htm#i2080820

Problems in creating Materialized View from 10g R2 to 11g

Hi,
We have two databases in 10g Release 2. These databases are on two different servers and we use
Materialized views to replicate data between these servers. We are currently using 64 bit version of
oracle 10g release 2 for LINUX.
Oracle Database 10g Release 10.2.0.1.0 - 64 bit Production
PL/SQL Release 10.2.0.1.0 - Production
CORE 10.2.0.1.0 Production
TNS for Linux: Version 10.2.0.1.0 - Production
NLSRTL Version 10.2.0.1.0 - Production
We use CENTOS 5 - 64 bit edition
We upgraded one of the databases to 11g (We exported the data from old database and
imported it in new database) . Then we tried to create a Materialized view with incremental refresh
on it where the base table is in the second Oracle 10g database.
The problem is that it is not letting us create the view with FAST Refresh. It kept on giving ORA-12028
error. We tried different remedies suggested on forums like creating a view with ROWID, but still it
continued giving us the same error. We also synchronized the characterset of Oracle 10g and Oracle 11g
installations but still it did not work.
Our base table size is pretty large (over 10 Million records) and if we do a full refresh, it takes hours to
refresh it.
Without incremental refresh, we will not be able to fucntion, and to upgrade both database simultaneously
we will need a large down-time which also we can not afford.
Please advise what should we do.
Best Regards
Madhup
Edited by: Madhup on Mar 2, 2009 10:45 AM

Hello,
Yesterday I met the same problem and very sad about this, however, my story is much more complicated (I think so).
I have 6 databases:
2 - 11g
2 - 10g
2 - 9i
Every database of each release has different characterset(UTF8 and AL16UTF16).
I am trying to create Materialized view with FAST REFRESH on Oracle 11g, when master tables are located on 10g database and 9i database.
Materialized view, which points to 9i database, was successfully created.
Materialized view, which points to 10g database, gets ORA-12028
Like you, I tried many notes from METALINK and thought at the begining that the problem is my characterset. But, when the materialized views were successfully built on Oracle 9i database, I understood that the problem is something else.
Did you find the actual reason why this issue does not work??
Thanks,
Alex

Problem in creating MATERIALIZED VIEW

Hello All,
I am trying to create the following materialized view and getting this error
SQL> CREATE MATERIALIZED VIEW system_active_loss_mv
2 BUILD IMMEDIATE
3 REFRESH FAST ON COMMIT
4 ENABLE QUERY REWRITE
5 AS
6 SELECT zone_name,
7 EXTRACT(YEAR FROM active_loss_datetime)|| EXTRACT(MONTH FROM active_loss_datetime) as
active_loss_period,
8 count(*) ,
9 count(active_qloss),
10 SUM(active_qloss) as active_qloss,
11 SUM(active_ploss) as active_ploss,
12 SUM(active_gain) as active_gain
13 FROM system_active_loss_day
14 GROUP BY zone_name,
15 EXTRACT(YEAR FROM active_loss_datetime),
16 EXTRACT(MONTH FROM active_loss_datetime);
FROM system_active_loss_day
ERROR at line 13:
ORA-01031: insufficient privileges
what is the error?

Hello Andrew,
Thanks for your reply, after granting the necessary priviliges i executed the query again this time i got the following error
SQL> CREATE MATERIALIZED VIEW system_active_loss_mv
2 BUILD IMMEDIATE
3 REFRESH FAST ON COMMIT
4 ENABLE QUERY REWRITE
5 AS
6 SELECT zone_name,
7 EXTRACT(YEAR FROM active_loss_datetime)|| EXTRACT(MONTH FROM active_loss_datetime) as
active_loss_period,
8 count(*) ,
9 count(active_qloss),
10 SUM(active_qloss) as active_qloss,
11 SUM(active_ploss) as active_ploss,
12 SUM(active_gain) as active_gain
13 FROM system_active_loss_day
14 GROUP BY zone_name,
15 EXTRACT(YEAR FROM active_loss_datetime),
16 EXTRACT(MONTH FROM active_loss_datetime);
FROM system_active_loss_day
ERROR at line 13:
ORA-12054: cannot set the ON COMMIT refresh attribute for the materialized view
when i removed the 'REFRESH FAST ON COMMIT' from above query the view has created...but we want this to be refreshed everytime we insert a new record in the base table.

Creating Materialized View in Toad

As with every new endeavor - come new questions.
I am trying to create a materialized view via toad (first time doing this). Now - toad is great, since it provides a kind-of wizard interface. Hence, one doesn't have to completely code in the create statement, with all of the options, etc.
Instead, in toad, one can (via the schema browser), go into the Materialized Views tab and click on create new. This opens a window with 6 tabs: Basic Info, Refresh Info, Physical Attributes, Query, Partitions & Subpartition Template.
In the Basic Info, one can put a check mark next to some of the following options:
-Build Deffered
-Parallel
-Cache
-Logging
-Using index
-Allow updates
etc.
I have read that build deferred refers to whether or not you would like the view to be created automatically or to be deferred.
Anyways, I tried to find Toad documentation to explain each of the options in-detail. No success. Hence, am researching each part piece by piece.
But - here is my question:
In the Query tab, we are asked to specify a query. I am assuming that the query does not have to be a full query, beginning with CREATE MATERIALIZED VIEW mv_table1 REFRESH FAST etc...
Since in this 'wizard', we are providing the MV name at the top of the dialog box, we are checking the 'options' in the other tabs, etc.
And so, I assumed that the query should merely be a select query in the window mentioned above.
So I entered the following:
select * from table1@remote_db;
When I go to verify the syntax, I get the error message: ORA_00911: invalid character. It seems to be pointing to my db_link (remote_db). I have been using this link throughout many places, w/o any problems.
Has anyone created a MV in toad before? Any links to good toad documentation would be helpful as well.
Thanks.

(This is fun... ;))
For anyone endeavoring this in the future, below I have attached the prerequisites required in order to create a materialized view (can also be found @ http://download-uk.oracle.com/docs/cd/B14117_01/server.101/b10759/statements_6002.htm):
Prerequisites
The privileges required to create a materialized view should be granted directly rather than through a role.
To create a materialized view in your own schema:
You must have been granted the CREATE MATERIALIZED VIEW system privilege and either the CREATE TABLE or CREATE ANY TABLE system privilege.
You must also have access to any master tables of the materialized view that you do not own, either through a SELECT object privilege on each of the tables or through the SELECT ANY TABLE system privilege.
To create a materialized view in another user's schema:
You must have the CREATE ANY MATERIALIZED VIEW system privilege.
The owner of the materialized view must have the CREATE TABLE system privilege. The owner must also have access to any master tables of the materialized view that the schema owner does not own (for example, if the master tables are on a remote database) and to any materialized view logs defined on those master tables, either through a SELECT object privilege on each of the tables or through the SELECT ANY TABLE system privilege.
To create a refresh-on-commit materialized view (ON COMMIT REFRESH clause), in addition to the preceding privileges, you must have the ON COMMIT REFRESH object privilege on any master tables that you do not own or you must have the ON COMMIT REFRESH system privilege.
To create the materialized view with query rewrite enabled, in addition to the preceding privileges:
If the schema owner does not own the master tables, then the schema owner must have the GLOBAL QUERY REWRITE privilege or the QUERY REWRITE object privilege on each table outside the schema.
If you are defining the materialized view on a prebuilt container (ON PREBUILT TABLE clause), then you must have the SELECT privilege WITH GRANT OPTION on the container table.
The user whose schema contains the materialized view must have sufficient quota in the target tablespace to store the master table and index of the materialized view or must have the UNLIMITED TABLESPACE system privilege.
When you create a materialized view, Oracle Database creates one internal table and at least one index, and may create one view, all in the schema of the materialized view. Oracle Database uses these objects to maintain the materialized view data. You must have the privileges necessary to create these objects.

Error on creating Materialized view.

Hi,
I don't understand why it happens...
When I tried to creating materialized view, it shows a error "ORA-01013: User requested cancel of current operation".
I don't understand why it happens. I just waited it successfully created. But I didn't press any button.
Does it matter of size of joining table? I had same issue before. At that time I just removed some tables from the joining condition, this error was gone.
But at this time, I cannot exclude any other tables the select statement
Can anyone help me this issue, please?

Hi,
11g ( 11.2.0.3 ) has a problem with materialized views based on ROWID, resulting in the problem you mentioned.
A workaround is creating the MV's based on primary keyl.
There is also a patch available on MOS, to solve the problem ( thanks to a very long SR from me :-) )
It is known as bug 13657605 and the patch for it has the same number.
Remember to read the README, as this patch is only for 11.2.0.3 !!
Cheers
FJFranken

Problem in materialized view

Hello everybody!!!
I used the following script in order to see the automatic refresh of data contained in a materialized view.
I used the following script in SCOTT schema:
create materialized view log on emp
with rowid (job,sal)
including new values
create materialized view emp_mv
build immediate
refresh fast on commit
as
select job , sum(sal) sum_sal
from emp
group by job
The problem is that after i update the sal column (and commit it) of an employee and selecting from the emp_nv , I DO NOT see any difference , although the materialized view log has been updated successfully!!!
Under which circumstances the materialized view would be updated as well?
Simon.

What is job_queue_processes set to on your system? Materialized view refreshes are generally done as background jobs, so that initializiation parameter needs to be set to a non-zero value.
Justin

Create materialized view with specific column sizes

Hi all,
I'm trying to create a materialized view with a specific a column size. Something like
create materialized view test_mv
refresh force on demand
as
select id,
       cast(my_compound_field as nvarchar2(50))
from ( select id,
              field1 || field2 my_compound_field
       from   my_table);But Oracle seems to ignore the cast and takes the maximum size it finds for field1 || field2 in the select query. The resulting table has a column nvarchar2(44) instead of nvarchar2(50).
This can give a problem when the view is refreshed... there could be new data that exceeds the current size, i.e. where length(field1 || field2) > 44.
How can I override the column size of a field in a materialized view?
Edit: Some additional info to clarify my case:
field1 and field2 are defined as nvarchar2(25). field1 || field2 can theoretically have a length of 50, but there is currently no data in my table that results in that length, the max is 44. I am afraid that there will be data in the future that exceeds 44, resulting in an error when the MV is refreshed!
Edited by: Pleiadian on Jan 25, 2011 2:06 PM

Cannot reproduce what you are saying is happening.
SQL> create table t (a nvarchar2(50), b nvarchar2(50));
Table created.
SQL> create materialized view tmv as
2 select a, b, a || b c from t;
Materialized view created.
SQL> desc tmv
Name                                      Null?    Type
A                                                  NVARCHAR2(50)
B                                                  NVARCHAR2(50)
C                                                  NVARCHAR2(100)
SQL> drop materialized view tmv;
Materialized view dropped.
SQL> create materialized view tmv as
2 select a, b, substr(a || b, 1, 10) c from t;
Materialized view created.
SQL> desc tmv
Name                                      Null?    Type
A                                                  NVARCHAR2(50)
B                                                  NVARCHAR2(50)
C                                                  NVARCHAR2(10)
SQL> select * from v$version;
BANNER
Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production
PL/SQL Release 11.1.0.7.0 - Production
CORE    11.1.0.7.0      Production
TNS for Linux: Version 11.1.0.7.0 - Production
NLSRTL Version 11.1.0.7.0 - Production
SQL>Edited by: 3360 on Jan 25, 2011 8:10 AM
And with data
SQL> insert into t values ('3123423423143hhshgvcdcvw', 'ydgeew gdfwe   dfefde wfjjjjjjj');
1 row created.
SQL> commit;
Commit complete.
SQL> desc tmv
Name                                      Null?    Type
A                                                  NVARCHAR2(50)
B                                                  NVARCHAR2(50)
C                                                  NVARCHAR2(10)
SQL> select * from tmv;
A
B                                                  C
3123423423143hhshgvcdcvw
ydgeew gdfwe   dfefde wfjjjjjjj                      3123423423

Problem with Materialized Views in 10g

Hi All,
I am creating a Materialized View like
CREATE MATERIALIZED VIEW mvname TABLESPACE SYSTEM BUILD IMMEDIATE REFRESH WITH ROWID FOR UPDATE AS ( SELECT a,b,c FROM table_a,table_b,table_c WHERE cond );
I am getting an error
SQL Error: ORA-12013: updatable materialized views must be simple enough to do fast refresh.
Can anyone tell what is the problem?
I have included rowid of all three tables in select clause.

Hi,
From Oracle Docs:
ORA-12013: updatable materialized views must be simple enough to do fast refresh
Cause: The updatable materialized view query contained a join, subquery, union, connect by, order by, or group by caluse.
Action: Make the materialized view simpler. If a join is really needed, make multiple simple materialized views then put a view on top of them.
Regards
K.Rajkumar

Is it possible to create materialized view log file for force refresh

Is it possible to create materialized view log file for force refresh with join condition.
Say for example:
CREATE MATERIALIZED VIEW VU1
REFRESH FORCE
ON DEMAND
AS
SELECT e.employee_id, d.department_id from emp e and departments d
where e.department_id = d.department_id;
how can we create log file using 2 tables?
Also am copying M.View result to new table. Is it possible to have the same values into the new table once the m.view get refreshed?

You cannot create a record as a materialized view within the Application Designer.
But there is workaround.
Create the record as a table within the Application Designer. Don't build it.
Inside your database, create the materialized with same name and columns as the record created previously.
After that, you'll be able to work on that record as for all other within the Peoplesoft tools.
But keep in mind do never build that object, that'll drop your materialized view and create a table instead.
Same problem exists for partitioned tables, for function based-indexes and some other objects database vendor dependant. Same workaround is used.
Nicolas.

Error Creating Materialized View With a Job

Oracle 9ir2
I've created a job like this in a java class:
...Java Code ...
cs = conn.prepareCall ("DECLARE v_job NUMBER; BEGIN DBMS_JOB.SUBMIT(v_job,'begin CTH_REGENERA_VM; end;', TRUNC(SYSDATE+1) + (3/24)); END;");
...Java Code ...
The Procedure called in the Job:
CREATE OR REPLACE PROCEDURE CTH_REGENERA_VM
     AUTHID CURRENT_USER IS
     existe NUMBER(1);
     cur BINARY_INTEGER := DBMS_SQL.OPEN_CURSOR;
     fdbk BINARY_INTEGER;
BEGIN
     SELECT count(*) INTO existe FROM user_mviews WHERE mview_name = 'CTH_PRESENTA_A_VM';
     IF existe > 0 THEN
          DBMS_SQL.PARSE(cur, 'DROP MATERIALIZED VIEW CTH_PRESENTA_A_VM', DBMS_SQL.NATIVE);
     fdbk := DBMS_SQL.EXECUTE(cur);
          INSERT INTO CTH_HISTORIAL VALUES('ELIMINADA VM CTH_PRESENTA_A_VM', SYSDATE);
          COMMIT;
     END IF;
     DBMS_SQL.PARSE(cur, 'CREATE MATERIALIZED VIEW CTH_PRESENTA_A_VM
     TABLESPACE DAT1_CTH
     STORAGE(INITIAL 16M NEXT 8M MINEXTENTS 1 MAXEXTENTS UNLIMITED PCTINCREASE 0)
               XMLTYPE XML STORE AS CLOB (           TABLESPACE DAT1_CTH
               STORAGE(INITIAL 16M NEXT 8M MINEXTENTS 1 MAXEXTENTS UNLIMITED PCTINCREASE 0))
     AS select FICHA, XML,
     extractvalue(xml, ''/FICHE/Encab_de_nombre_geogr�fico_a'') as MUNICIPIO,
     extractvalue(xml, ''/FICHE/Encab_de_nombre_geogr�fico_c'') as CALIFICACION,
     extractvalue(xml, ''/FICHE/Encab_de_nombre_geogr�fico_b'') as PROVINCIA,
     extractvalue(xml, ''/FICHE/Encab_tem�tico_de_materia_a[1]'') as MATERIA,
     extractvalue(xml, ''/FICHE/Fecha_cronol�gica_b[1]'') as FECHA,
     extractvalue(xml, ''/FICHE/Datos_matem�ticos_a[1]'') as ESCALA
     from cth_xmltable', DBMS_SQL.NATIVE);
     INSERT INTO CTH_HISTORIAL VALUES('ASIGNO EL PARSE DE MATERIALIZED', SYSDATE);
     fdbk := DBMS_SQL.EXECUTE(cur);
     INSERT INTO CTH_HISTORIAL VALUES('EJECUTO EL PARSE DE MATERIALIZED', SYSDATE);
     INSERT INTO CTH_HISTORIAL VALUES('CREADA VM CTH_PRESENTA_A_VM', SYSDATE);
     DBMS_SQL.PARSE(cur, 'CREATE INDEX CTH_INDEX1
     ON CTH_PRESENTA_A_VM(XML)
     INDEXTYPE IS CTXSYS.CONTEXT
     PARAMETERS (''storage cth section group ctxsys.auto_section_group'')', DBMS_SQL.NATIVE);
     fdbk := DBMS_SQL.EXECUTE(cur);
     INSERT INTO CTH_HISTORIAL VALUES('CREADO INDICE ORACLE TEXT CTH_INDEX1', SYSDATE);
     DBMS_SQL.PARSE(cur, 'CREATE INDEX CTH_IDX_MUNICIPIO3
          ON CTH_PRESENTA_A_VM(UPPER(MUNICIPIO))
          TABLESPACE IDX1_CTH
          STORAGE (INITIAL 1M NEXT 512K MINEXTENTS 1 MAXEXTENTS UNLIMITED PCTINCREASE 0)', DBMS_SQL.NATIVE);
     fdbk := DBMS_SQL.EXECUTE(cur);
     INSERT INTO CTH_HISTORIAL VALUES('CREADO INDICE CTH_IDX_MUNICIPIO2', SYSDATE);
     DBMS_SQL.PARSE(cur, 'CREATE INDEX CTH_IDX_FICHA2
     ON CTH_PRESENTA_A_VM
     (FICHA)
     TABLESPACE IDX1_CTH
     STORAGE(INITIAL 1M NEXT 512K MINEXTENTS 1 MAXEXTENTS UNLIMITED PCTINCREASE 0)', DBMS_SQL.NATIVE);
     fdbk := DBMS_SQL.EXECUTE(cur);
     INSERT INTO CTH_HISTORIAL VALUES('CREADO INDICE CTH_IDX_FICHA2', SYSDATE);
     DBMS_SQL.CLOSE_CURSOR(cur);
COMMIT;
END;
I got always an error in the created materialized view. If I call the procedure with SQL Plus, it run ok. The user
has CTXAPP, DBA roles, so I supouse it is not a privileges problem. I also tried to create a simple materialized view or a table, and always got an error ora-12011
Thanks in advance.

If I call the procedure with SQL Plus, it run ok. Are you using the same user to run it in SQL*Plus as runs it from Java.
The normal reason for procedures to fail like this is privileges. Particularly, we cannot run procedures using privileges we have been granted through roles.
The user has CTXAPP, DBA roles, so I supouse it is not a privileges problem. Try granting the system privilege CREATE MATERIALIZED VIEW to the user and see what happens.
I drop the materialized and create again, cause it's the fastest way I've found. With a DBMS_MVIEW.REFRESH is too slow.I find that surprising as drop & create has to do all the work that a refresh has to do plus some more - maybe it's something to do with XML. Did you try adding a snapshot log and going for FAST? I don't know whwther the XML procesing would render the view complex - have you explained it?
Cheers, APC

ORA-12052 when create materialized view

I following the sample in Oracle document to create materialized viewCREATE MATERIALIZED VIEW LOG ON sales
   WITH ROWID, SEQUENCE(amount_sold, time_id, prod_id)   INCLUDING NEW VALUES;
CREATE MATERIALIZED VIEW LOG ON times
   WITH ROWID, SEQUENCE (time_id, calendar_year) INCLUDING NEW VALUES;
CREATE MATERIALIZED VIEW LOG ON products
   WITH ROWID, SEQUENCE (prod_id,prod_name) INCLUDING NEW VALUES;
CREATE MATERIALIZED VIEW sales_mv
   BUILD IMMEDIATE   REFRESH FAST ON COMMIT
   AS SELECT t.calendar_year, p.prod_id, p.prod_name,
      SUM(s.amount_sold) AS sum_sales
      FROM times t, products p, sales s
      WHERE t.time_id = s.time_id AND p.prod_id = s.prod_id
      GROUP BY t.calendar_year, p.prod_id, p.prod_name; This works. BUt I actually does not want do aggregation. Thus I changed the MV creation statement toCREATE MATERIALIZED VIEW sales_mv
   BUILD IMMEDIATE REFRESH FAST ON COMMIT
   AS SELECT t.calendar_year, p.prod_id, p.prod_name,s.amount_sold
      FROM times t, products p, sales s
      WHERE t.time_id = s.time_id AND p.prod_id = s.prod_id;I got errorSQL Error: ORA-12052: cannot fast refresh materialized view GLU.SALES_MV
*Cause:    Either ROWIDs of certain tables were missing in the definition or
           the inner table of an outer join did not have UNIQUE constraints on
           join columns.
*Action:   Specify the FORCE or COMPLETE option. If this error is got
           during creation, the materialized view definition may have be
           changed. Refer to the documentation on materialized views.Please help or point me to the relevant document.
Thanks

damorgan, Thank you for you reply.
the inner table of an outer join did not have UNIQUE constraints on join columns.
I am not sure how much clearer and explanation can be written.If you look at the query, you will find that there is no outer join in the query.
sales table does not have unique constraints on prod_id and time_id. If this is the cause of the problem, I cannot change the data but is there a work around. That is way I ask for specific doc. In 11g documents, I only find some info on CREATE MV. That is mainly on syntax but not on requirement.

Error creating materialized view log using DBlink

Hi guys,
I have 2 databases in diferent machines . (machine A and B)
Machine A is my production database and I have a database link in machine B accessing Machine A
CREATE MATERIALIZED VIEW vm_test
BUILD IMMEDIATE
REFRESH FAST ON commit as
select * from test@A
-- no problem in this first operation the materialized view was created sucessfully
Now I need to create the LOG
SQL> CREATE MATERIALIZED VIEW LOG ON test
2 PCTFREE 5
3 TABLESPACE prodemge_2006
4 STORAGE (INITIAL 10K NEXT 10K);
CREATE MATERIALIZED VIEW LOG ON test
ERROR at line 1:
ORA-02050: transaction 5.21.8771 rolled back, some remote DBs may be in-doubt
ORA-02068: following severe error from A
ORA-03113: end-of-file on communication channel
What could be causing this error ?
Thank you,
Felipe

ORA-02050 transaction string rolled back, some remote DBs may be in-doubt
Cause: Network or remote failure during a two-phase commit.
Action: Notify operations; remote databases will automatically re-sync when the failure is repaired.
ORA-02068 following severe error from stringstring
Cause: A severe error (disconnect, fatal Oracle error) was received from the indicated database link. See following error text.
Action: Contact the remote system administrator.
M.S.Taj

Create materialized view, ORA-00942

I would like to create a materialized view on user scott@orcl for user colinsuper. User scott@orcl have
"CREATE ANY MATERIALIZED VIEW" permissions. Why does I get an ORA-00942 error?
Remote-Database: remote_orcl.world
Remote-Database-User: lindasuper
Remote-Database-Table: cars
scott@orcl>create synonym cars for lindasuper.cars@remote_orcl.world
2 /
Synonym created.
scott@orcl>select car_no cno, car_bez cbez from cars
2 where rownum <= 1;
cno   cbez
3     32-mxl
scott@orcl
scott@orcl
scott@orcl>CREATE MATERIALIZED VIEW colinsuper.CARS_MV
2    TABLESPACE my_tablespace
3    BUILD IMMEDIATE
4    USING INDEX TABLESPACE my_idx
5    REFRESH
6       START WITH sysdate
7       NEXT ROUND(SYSDATE)+5/24
8       WITH PRIMARY KEY
9    ENABLE QUERY REWRITE
10    AS
11    SELECT car_no cno
12           car_bez cbez
13    FROM cars
14 /
CREATE MATERIALIZED VIEW colinsuper.CARS_MV
FEHLER in Zeile 1:
ORA-00942: Tabelle or View does not exist
scott@orcl>
scott@orcl>
scott@orcl>When I am creating the materialized view without the user colinsuper, materialized view
is creating without problems.
scott@orcl>CREATE MATERIALIZED VIEW CARS_MV
2    TABLESPACE my_tablespace
3    BUILD IMMEDIATE
4    USING INDEX TABLESPACE my_idx
5    REFRESH
6       START WITH sysdate
7       NEXT ROUND(SYSDATE)+5/24
8       WITH PRIMARY KEY
9    ENABLE QUERY REWRITE
10    AS
11    SELECT car_no cno
12           car_bez cbez
13    FROM cars
14 /
Materialized View wurde erstellt.
scott@orcl>
scott@orcl>I think there is somthing wrong with the permissions of colinsuper!?

Is this colinsuper a user in the remote database.
ORA-00942:     table or view does not exist
Cause:
The table or view entered does not exist, a synonym that is not allowed here was used, or a view was referenced where a table is required. Existing user tables and views can be listed by querying the data dictionary. Certain privileges may be required to access the table. If an application returned this message, the table the application tried to access does not exist in the database, or the application does not have access to it.
Action:
Check each of the following:
the spelling of the table or view name.
that a view is not specified where a table is required.
that an existing table or view name exists.
Contact the database administrator if the table needs to be created or if user or application privileges are required to access the table.
Also, if attempting to access a table or view in another schema, make certain the correct schema is referenced and that access to the object is granted.

Create Materialized View based on another database table using db link?

SQL> SELECT sysdate
2 FROM dual@CBRLINK ;
SYSDATE
21-NOV-12
SQL> CREATE MATERIALIZED VIEW USERCBR.V_T24_COUNTRY1
2 REFRESH COMPLETE
3 START WITH SYSDATE NEXT SYSDATE + (5/24)
4 AS
5 SELECT sysdate
6 FROM dual@CBRLINK ;
CREATE MATERIALIZED VIEW USERCBR.V_T24_COUNTRY1
ERROR at line 1:
ORA-04052: error occurred when looking up remote object SYS.DUAL@CBRLINK
ORA-00600: internal error code, arguments: [ORA-00600: internal error code,
arguments: [qksfroFXTStatsLoc() - unknown KQFOPT type!], [0], [], [], [], [],
ORA-02063: preceding line from CBRLINK

It works for me:orcl>
orcl> CREATE MATERIALIZED VIEW scott.V_T24_COUNTRY1
2 REFRESH COMPLETE
3 START WITH SYSDATE NEXT SYSDATE + (5/24)
4 AS
5 SELECT sysdate
6 FROM dual@l1 ;
Materialized view created.
orcl> select * from v$version;
BANNER
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - Production
PL/SQL Release 11.2.0.3.0 - Production
CORE 11.2.0.3.0 Production
TNS for 32-bit Windows: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
orcl>so there is no problem with the code. HTH.

Problems creating Materialized View

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