Top n Growing tables in BW & R/3 with Oracle env

Hi all,
We are on BW 7.0 with Oracle 10.2.0.2 , please let me know how to get the top N growing tables & Top N largest tables.
I remember collecting these stats from TX: DB02 when we had MS SQLserver as the DB. It was as easy as clicking a button. but with Oracle I have been unable to find these options in Db02 or dbacockpit.
Thanks,
Nick

Nick,
Goto tcode DB02OLD>Detailed Analysis>Object Name *, Tablespace , Objetc Type tab. You will get list of all table, you take out top 50 table from this list.
Earlywatch report also gives list of top 20 tables. Check your earlywatch report for this.
You can also use the following SQL query:
select * from
(select owner, segment_name, segment_type, tablespace_name, sum (bytes/1024/1024) MB
from dba_extents
where segment_type = 'TABLE'
group by owner, segment_name, segment_type, tablespace_name
order by MB desc)
where rownum <= N;
Put any value for N (e.g. 50)to find out top N growing tables & Top N largest tables.
If you are planning to go for a table reorg then refer below link.
Re: is it possible to see decrease of table size & size of tablespace
Hope this helps.
Thanks,
Sushil

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*</f:view>*

Loading table data in a form with a custom query

Hi everyone. I have this challenge with oracle forms. At the top of my form is an LOV text field. And at the bottom is a table (looks just like a master detail form). What I want to do is to select a value from the LOV, and then populate the detail block with information based on a query. The information is not linked to the table assigned to the master block or the table assigned to the detail block.
Let's say the master block contains an LOV which contains dates like AUG-09, DEC-09. After selecting a value, I want to be able to run a query say something like:
select full_name, job_title from per_all_boolys_f where period_name = 'AUG-09' (from master block)
Then this quer will then be used to populate the rows and columns in my detail block.
Is it possible to do this and how would I go about this.
Thank you

Igwe,
Based on your query example, you are only selecting from a single table. If this is the case, why not base your Detail Block on this table and then set the DEFAULT_WHERE clause property of the block to: ':MASTER_BLOCK.DATE' and then call Go_Block('DETAIL_BLOCK') and Execute_Query to populate your detail block?
If you truly have a dynamic query, then I would suggest using a From-Clause query based Detail Block? This would allow you to change your query anyway you want so long as it returns the same number of columns and column names don't change. Here is the setup:
1. Set the appropriate properties on your DETAIL BLOCK (as follows)
     a. Database Data Block = "Yes"
     b. Query Data Source Type = 'FROM clause query'
     c. Query Data Source Name = 'Leave blank or enter basics of your SQL query here'
     d. ORDER BY Clause = 'Enter any ordering requirements here or set them as needed in your code.'
     e. Set Insert Allowed, Update Allowed, and Delete Allowed = 'No'
2. Write the code to define your SQL query and assign it to the QUERY_DATA_SOURCE_NAME property of your Detail Block. This code can be in any trigger that allows execution of Restricted Built-ins (When-New-Block-Instance, When-New-Item-Instance, When-List-Changed, etc) because you will need to call the Go_Block and Execute_Query built-ins. In your situation, you may want to set a flag variable (parameter or global) in your Key-Next-Item and Post-Text-Item triggers and then test this flag variable in a When-New-Item-Instance trigger. For example:
/* Example Key-Next-Item trigger (duplicate this logic in your Post-Text-Item trigger */
/* or replace both triggers with a When-Validate-Item trigger) */
/* My example will use a Parameter object as a variable so you will need to create the */
/* QUERY_DETAIL_BLOCK parameter and set it to a CHAR(1) */
/* data type and set the DEFAULT VALUE to 'N' */
DECLARE
     /* Declare any variables you need here */
BEGIN
     -- Your trigger specific code here....
     :Parameter.QUERY_DETAIL_BLOCK := 'Y';
END;
/* Master Block When-New-Item-Instance trigger sample */
DECLARE
     v_SQL     VARCHAR2(2000);
BEGIN
     -- Any preexisting W-N-I-I trigger code you may have here already
     -- New code...
     IF ( :Parameter.QUERY_DETAIL_BLOCK = 'Y' ) THEN
          -- Reset the parameter first
          :Parameter.QUERY_DETAIL_BLOCK := 'N');
          -- Build the Dynamic Query
          v_SQL := 'select full_name, job_title from per_all_boolys_f where period_name = '' '||:MASTER_BLOCK.DATE|| ' '';
          Set_Block_Property('DETAIL_BLOCK', QUERY_DATA_SOURCE_NAME, v_SQL);
          Go_Block('DETAIL_BLOCK');
          Execute_Query;
          Go_Block('MASTER_BLOCK');
     END IF;
END;Please note, the above code is an example only - you will need to modify this example to work in your Form. Also, if your query really only selects from a single table, I really encourage you to use the first option of basing the detail block on the table and setting the Default Where clause property.
Hope this helps.
Craig...
If a response is helpful or correct, please mark it accordingly

Printer is overprinting old jobs on top of new jobs. Using a Mac with OSx and a HP photosmart for over a year. this just started happening.

Printer is overprinting old jobs on top of new jobs. Using a Mac with OSx and a HP photosmart for over a year. this just started happening.

RReset printing system again and the restart in Safe Mode . This will clear some caches,to do this hold down the Shift key when you hear the startup tone until a progress bar appears, after it has fully booted restart normally and add the printer.

How can I fill a table of objects from cursor with select * bulk collect???

Hi All, I have a TYPE as OBJECT
create or replace type dept2_o as object (
deptno NUMBER(2),
dname VARCHAR2(14),
loc VARCHAR2(13));
I can fill a table of objects from cursor with out select * bulk collect...., row by row
declare
TYPE dept2_t IS TABLE of dept2_o;
dept_o_tab dept2_t:=dept2_t();
i integer;
begin
i:=0;
dept_o_tab.extend(20);
for rec in (select * from dept) loop
i:=i+1;
dept_o_tab(i):=dept2_o(
deptno => rec.deptno,
dname => rec.dname,
loc =>rec.loc
end loop;
for k IN 1..i loop
dbms_output.put_line(dept_o_tab(k).deptno||' '||dept_o_tab(k).dname||' '||dept_o_tab(k).loc);
end loop;
end;
RESULT
10 ACCOUNTING NEW YORK
20 RESEARCH DALLAS
30 SALES CHICAGO
40 OPERATIONS BOSTON
But I can't fill a table of objects from cursor with select * bulk collect construction ...
declare
TYPE dept2_t IS TABLE of dept2_o;
dept_o_tab dept2_t:=dept2_t();
begin
dept_o_tab.extend(20);
select * bulk collect into dept_o_tab from dept;
end;
RESULT
ORA-06550: line 6, column 39;
PL/SQL: ORA-00947: not enough values ....
How can I fill a table of objects from cursor with select * bulk collect???

create or replace type dept_ot as object (
deptno NUMBER(2),
dname VARCHAR2(14),
loc VARCHAR2(13));
create table dept
(deptno number
,dname varchar2(14)
,loc varchar2(13)
insert into dept values (10, 'x', 'xx');
insert into dept values (20, 'y', 'yy');
insert into dept values (30, 'z', 'zz');
select dept_ot (deptno, dname, loc)
from dept
create type dept_nt is table of dept_ot
declare
   l_depts dept_nt;
begin
   select dept_ot (deptno, dname, loc)
     bulk collect
     into l_depts
     from dept
   for i in l_depts.first .. l_depts.last
   loop
      dbms_output.put_line (l_depts(i).deptno);
      dbms_output.put_line (l_depts(i).dname);
      dbms_output.put_line (l_depts(i).loc);
   end loop;
end;
/

Insert Record with Parent/Child Tables doesn't work with Oracle - unlike AC

Hi,
I just Migrated a MS Access 2010 Database to an Oracle 11g Backend with the SQL Developer Tool.
The Migration went fine, all the Tables and Views are migrated.
I'm working with MS Access as Frontend.
The application has some Datasheets with Subdatasheets with Parent/Child Relationship. (1-n Relationship)
After changing to Oracle, it's not possible, to Insert a new Record in a Subdatasheet I always get the following Error Message:
"The Microsoft Access database engine cannot find a record in the table 'xxxx' with key matching field(s) 'zzzzz'"
It used to work perfect with the MS Access Backend, do I need a trigger which first adds the child Record ?
Or what should I do?
Thank you

Hi Klaus,
Thanks for your answer. I still haven't solved my problem. The only way would be to use a singel 1:n Relationship, but in fact I need a n:m Relationship.
I tried the same scenario with a new Access Application, same result.
To clearify my problem.
Goal: Parent Form with Parent Records, Linked Child Form with Child Records in a Datasheet View => Insert of a NEW Child Record.
I have 3 Tables (table1 = Parent tabel, table2 = Child Table, table12 = n:m Tabel with PK and two FK)
The Recordsource of the Parent Form is Tabel1
The Recordsource of the Child Form is Table2 joined with Table12.
In my Old Access Project, Access Triggered the Insert and filled Table12 with the NEW PK of Table2.
It seems like Access can't do that anymore....
I'm pretty desperate and I'm sure it is just a litte thing to fix.....

Update of a table from a select query with aggregate functions.

Hello All,
I have problem here:
I have 2 tables A(a1, a2, a3, a4, a4....... ) and B( a1, a2, b1, b2, b3). I need to calculate the avg(a4-a3), Max(a4-a3) and Min(a4-a3) and insert it into table B. If the foreign keys a1, a2 already exist in table B, I need to do an update of the computed values into column b1, b2 and b3 respectively, for a1, a2.
Q1. Is it possible to do this with a single query ? I would prefer not to join A with B because the table A is very large. Also columns b1, b2 and b3 are non-nullable.
Q2. Also if a4 and a3 are timestamps what is the best way to find the average? A difference of timestamps yields INTERVAL DAY TO SECOND over which the avg function doesn't seem to work. The averages, max and min in my case would be less than a day and hence all I need is to get the data in the hh:mm:ss format.
As of now I'm using :
TO_CHAR(TO_DATE(ABS(MOD(TRUNC(AVG(extract(hour FROM (last_modified_date - created_date))*3600 +
extract( minute FROM (last_modified_date - created_date))*60 +
extract( second FROM (last_modified_date - created_date)))
),86400)),'sssss'),'hh24":"mi":"ss') AS avg_time,
But this is very long drawn. Something more compact and efficient would be nice.
Thanks in advance for your inputs.
Edited by: 847764 on Mar 27, 2011 5:35 PM

847764 wrote:
Hi,
Thanks everyone for such fast replies. Malakshinov's example worked fine for me as far as updating the table goes. As for the timestamp computations, I'm posting additional info: Sorry, I don't understand.
If Malakshinov's example worked for updating the table, but you still have problems, does that mean you have to do something else besides update the table? If so, what?
Oracle version : Oracle Database 11g Enterprise Edition Release 11.2.0.1.0
Here are the table details :
DESC Table A
Name Null Type
ID               NOT NULL NUMBER
A1               NOT NULL VARCHAR2(4)
A2               NOT NULL VARCHAR2(40)
A3               NOT NULL VARCHAR2(40)
CREATED_DATE NOT NULL TIMESTAMP(6)
LAST_MODIFIED_DATE TIMESTAMP(6) DESCribing the tables can help clarify some things, but it's no substitute for posting CREATE TABLE and INSERT statements. With only a description of the table, nobody can re-create the problem or test their ideas. Please post CREATE TABLE and INSERT statements for both tables as they exist before the MERGE. If table b doen't contain any rows before the MERGE, then just say so, but you still need to post a CREATE TABLE statement for both tables, and INSERT statements for table a.
The objective is to compute the response times : avg (LAST_MODIFIED_DATE - CREATED_DATE), max (LAST_MODIFIED_DATE - CREATED_DATE) and min (LAST_MODIFIED_DATE - CREATED_DATE) grouped by A1 and A2 and store it in table B under AVG_T, MAX_T and MIN_T. Since AVG_T, MAX_T and MIN_T are only used for reporting purposes we have kept it as Varchar (though I think keeping it as timestamp would make more sense). I think a NUMBER would make more sense (the number of minutes, for example), or perhaps an INTERVAL DAY TO SECOND. If you stored a NUMBER, it would be easy to compute averages.
In table B the times are stored in the format : hh:mm:ss. We don't need milliseconds precision. If you don;'t need milliseconds, then you should use DATE instead of TIMESTAMP. The functions for manipulating DATEs are much better.
Hence I was calculating is as follows:
-- Avg Time
TO_CHAR(TO_DATE(ABS(MOD(TRUNC(AVG(extract(hour FROM (last_modified_date - created_date))*3600 +
extract( minute FROM (last_modified_date - created_date))*60 +
extract( second FROM (last_modified_date - created_date)))
),86400)),'sssss'),'hh24":"mi":"ss') AS avg_time,
--Max Time
extract (hour FROM MAX(last_modified_date - created_date))||':'||extract (minute FROM MAX(last_modified_date - created_date))||':'||TRUNC(extract (second FROM MAX(last_modified_date - created_date))) AS max_time,
--Min Time
extract (hour FROM MIN(last_modified_date - created_date))||':'||extract (minute FROM MIN(last_modified_date - created_date))||':'||TRUNC(extract (second FROM MIN(last_modified_date - created_date))) AS min_timeIs this something that has to be done before or after the MERGE?
Post the complete statement.
Is this part of a query? Where's the SELECT keyword?
Is this part of a DML operation? Where's the INSERT, or UPDATE, or MERGE keyword?
What are the exact results you want from this? Explain how you get those results.
Is the code above getting the right results? Are you just asking if there's a better way to get the same results?
You have to explain things very carefully. None of the people who want to help you are familiar with your application, or your needs.
I just noticed that my reply is horribly formatted - apologies! I'm just getting the hang of it.Whenever you post formatted text (such as query results) on this site, type these 6 characters:
\(small letters only, inside curly brackets) before and after each section of formatted text, to preserve spacing.

ROWNUM is indexed in the Fact table - How to optimize performace with this?

Hi,
I have a scenario where there is an index on the Rownum.
The main Fact table is partitioned based on the job number (Daily and monthly). As there can be multiple entries for a single jobID, the primary key is made up of the Job ID and the Rownum
This fact table in turn is joined with another fact table based on this job number and rownum. This second fact table is also partitioned on job ID.
I have few reference tables that are joined with the first fact table with btree index.
Though in a normal DW scenario we should use bitmap, here we can't do that as lot of other applications are accessing data (DML queries) where bitmap will be slow. So I am using STAR_TRANSFORMATION hint to use the normal index as bitmap index.
Till here it is fine. Problem is when I simply do a count for a specific partition from a reference table and a fact table, it is using all required indexes as bitmap with very low cost. But also it is using ROWNUM index that is of very very high cost.
I am relatively new to Oracle tuning. I am not able to understand what it is exactly doing. Could you please suggest if I can get rid of this ROWNUM to make my query performance faster? This index can not be dropped. Is there a way in the hint I can instruct not to use this primary key index?
Or Even by using is there a way that the performance will be faster?
I will highly appreciate any help in this regard.
Regards
...

Just sending the portion having info on the partition and Primary index as the entire script is too big.
CREATE TABLE FACT_TABLE
JOBID VARCHAR2(10 BYTE) DEFAULT '00000000' NOT NULL,
RECID VARCHAR2(18 BYTE) DEFAULT '000000000000000000' NOT NULL,
REP_DATE VARCHAR2(8 BYTE) DEFAULT '00000000' NOT NULL,
LOCATION VARCHAR2(4 BYTE) DEFAULT ' ' NOT NULL,
FUNCTION VARCHAR2(6 BYTE) DEFAULT ' ' NOT NULL,
AMT.....................................................................................
TABLESPACE PSAPPOD
PCTUSED 0
PCTFREE 10
INITRANS 11
MAXTRANS 255
STORAGE (
INITIAL 32248K
LOGGING
PARTITION BY RANGE (JOBID)
PARTITION FACT_TABLE_1110500 VALUES LESS THAN ('01110600')
LOGGING
NOCOMPRESS
TABLESPACE PSAPFACTTABLED
PCTFREE 10
INITRANS 11
MAXTRANS 255
STORAGE (
INITIAL 32248K
MINEXTENTS 1
MAXEXTENTS 2147483645
BUFFER_POOL DEFAULT
PARTITION FACT_TABLE_1191800 VALUES LESS THAN ('0119190000')
LOGGING
NOCOMPRESS
TABLESPACE PSAPFACTTABLED
PCTFREE 10
INITRANS 11
MAXTRANS 255
CREATE UNIQUE INDEX "FACT_TABLE~0" ON FACT_TABLE
(JOBID, RECID)
TABLESPACE PSAPFACT_TABLEI
INITRANS 2
MAXTRANS 255
LOCAL (
PARTITION FACT_TABLE_11105
LOGGING
NOCOMPRESS
TABLESPACE PSAPFACT_TABLEI
PCTFREE 10
INITRANS 2
MAXTRANS 255
STORAGE (
INITIAL 64K
MINEXTENTS 1
MAXEXTENTS 2147483645
BUFFER_POOL DEFAULT
......................................................

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