Date 01/01/1901 in W_DAY_D when joined to a date wid in a Fact Table

Hi
I noticed when w_day_d joined to a Fact table I am getting a CALENDER date as 10/10/1901. I have checked by joining these tables. When Fact Wid is '0',
Join is getting 01/01/1901 as date.
But I want to avoid this and display a 'NULL' value. How could I conver this date into a 'null' in Answers please.????
Thank you.

Hi,
We are using Dac Build AN 10.1.3.4.1.20090415.0146.
The start date is 01-Jan-1980 and end date 31-dec-2010.
I am interested to change the end date to 31-dec-2020.
For that I have created a custom container.
Design -> Task -> Query on SIL_DayDimension ->Parameters
Click on value, change the end_date to required value.
Save.
Setup -> Physical Datasource
Click on DataWarehouse.
Change W_DAY_D Refresh dates to null.
After running DAC W_DAY_D table is not having any record and end_date is showing as blank in paramter file
So I want to change it to original one that is as it was before.
When I de-clone it, the value for end_date is showing as Custom Format() @MM/DD/YYYY and if I add any value to it the after running dac end_date is showing as blank in paramter file and W_DAY_D table is not having any record.
Any help is greatly appreciated.
Regards,
Bhoomi

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Message was edited by: Gerardo Gaona

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 at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
 at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
 at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
 at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
 at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)
Don't know whats all that about, but I cannot join any more!
I'm currently using OWB 10.1.0.2.0
on a Oracle 9i 9.2.0.4 database
(Or should I not comine 9i with 10g??!!!)
Please advise me what to do!
Thanks
Mani

Hi Mani,
Something similar happened to me, when in a mapping I tried to connect a dimension to a joiner. The occurring error: API8015.
This was caused by a changed datatype, in my case I had changed a VARCHAR2 field into NUMBER.
The solution (as also suggested with bug 3116947), is to alter the datatype, it says into number but that's exactly (again: in MY case) where it goes wrong.
Therefore, I changed the datatype into DATE since this never has a length NOR a precision, and then changed it back into the desired datatype with appropriate properties. Now it works fine again.
Hope this helps - as a workaround that is ;-)
Cheers, Patrick
PS my OWB version is 9.2.0.4 (just upgraded from 9.2.0.2.8).

Bad exec plan when joining tables using primary keys together w/ Contains

Hello all...this is something that confuzzles me....
When joining 2 tables, the exec plan shows that the domain index is first accessed, before checking if there is a record in the other table using a highly selective index.
create table users
(userid varchar2(20),
name varchar2(100),
resume clob
create table seeker
(seekerid varchar2(20),
userid varchar2(20),
jobid varchar2(20)
create index user_idx on users(userid)
create index job_resume_index on users(resume)
indextype is ctxsys.context
create unique index seeker_unik on seeker(seekerid)
create index seeker_index on seeker(jobid,userid)
then sample records where inserted, then the text index was sync'ed.
Query and Execution Plan:
select u.userid, u.name
from users u, seeker s
where s.jobid = 'HJOBP000000000218627'
and u.userid = s.userid
and contains(resume,'texas') > 1
Execution Plan
0 SELECT STATEMENT Optimizer=CHOOSE (Cost=3 Card=1 Bytes=72)
1 0 NESTED LOOPS (Cost=3 Card=1 Bytes=72)
2 1 TABLE ACCESS (BY INDEX ROWID) OF 'USERS' (Cost=2 Card=1
Bytes=30)
3 2 DOMAIN INDEX OF 'JOB_RESUME_INDEX' (Cost=0)
4 1 INDEX (RANGE SCAN) OF 'SEEKER_INDEX' (NON-UNIQUE) (Cost=
1 Card=1 Bytes=42)
The problem with execution plan is if the domain index returns huge number of records i.e. 40k rows, then it has to check each userid with the SEEKER table, and returns only 10 rows. I can add a hint to specify the use of the user_idx instead of the domain index to improve performance.
My question is how does the database determine when to use the domain index or to use other highly selective index with out the aid of a HINT. The trace file shows the use of "CTXSYS"."TEXTOPTSTATS".ODCIStatsIndexCost and "CTXSYS"."TEXTOPTSTATS".ODCIStatsFunctionCost. Are these used to compute and compare the cost of each index and decide on what index to used? If so, why does it return a lower cost for domain index when the btree index is more efficient? I have all statistics gathered for all tables and indexes (inc dr$ tables and its indexes)
Thanks,
jojo

Hi,
What I'm pasting here is actually from Ch9 of Expert PL/SQL. It shows what happens during a select with CONTAINS. It does not include a join with another table, or an additional column in the where clause. Hope it helps.
================================================
By default, the Extensible Query Optimizer is enabled. When enabled, the Extensible Query Optimizer can determine the I/O and CPU cost associated with the CONTAINS predicate, find the cost of each call to the CONTAINS() function, and determine the selectivity of the CONTAINS predicate.
To see this in action I ran the basic select earlier. Examining the SQL trace shows the steps.
Step 1 - Determine the I/O and CPU cost of the CONTAINS() function:
--Available online as part of contains_trace.doc
"CTXSYS"."TEXTOPTSTATS".ODCIStatsFunctionCost(
sys.ODCIFuncInfo('CTXSYS',
'CTX_CONTAINS',
'TEXTCONTAINS',
2),
cost,
sys.ODCIARGDESCLIST(
sys.ODCIARGDESC(
2, 'DOCUMENT_REPOSITORY', 'PLSQL',
'"DOCUMENT"', NULL, NULL, NULL),
sys.ODCIARGDESC(3, NULL, NULL, NULL, NULL, NULL, NULL)),
NULL,
'constitution',
sys.ODCIENV(0,0,0,1));
Step 2 Determine the selectivity of the CONTAINS predicate
-- Available online as part of contains_trace.doc
"CTXSYS"."TEXTOPTSTATS".ODCIStatsSelectivity(
sys.ODCIPREDINFO('CTXSYS',
'CTX_CONTAINS',
'TEXTCONTAINS',
32),
sel,
sys.ODCIARGDESCLIST(
sys.ODCIARGDESC(3, NULL, NULL, NULL, NULL, NULL, NULL),
sys.ODCIARGDESC(5, NULL, NULL, NULL, NULL, NULL, NULL),
sys.ODCIARGDESC(2, 'DOCUMENT_REPOSITORY', 'PLSQL',
"DOCUMENT"', NULL, NULL, NULL),
sys.ODCIARGDESC(3, NULL, NULL, NULL, NULL, NULL, NULL)),
0,
NULL,
NULL,
'constitution',
sys.ODCIENV(0,0,0,1));
Step 3: Determine the I/O and CPU cost of the CONTAINS predicate
-- Available online as part of contains_trace.doc
"CTXSYS"."TEXTOPTSTATS".ODCIStatsIndexCost(
sys.ODCIINDEXINFO('PLSQL',
'EXPERT_IDX',
sys.ODCICOLINFOLIST(
sys.ODCICOLINFO('PLSQL', 'DOCUMENT_REPOSITORY',
'"DOCUMENT"', 'BFILE', NULL, NULL)),
NULL,
0,
0),
50.00000000,
cost,
sys.ODCIQUERYINFO(
2,
sys.ODCIOBJECTLIST(sys.ODCIOBJECT('SCORE', 'CTXSYS'))),
sys.ODCIPREDINFO('CTXSYS', 'CONTAINS', NULL, 0),
sys.ODCIARGDESCLIST(
sys.ODCIARGDESC(3, NULL, NULL, NULL, NULL, NULL, NULL),
sys.ODCIARGDESC(5, NULL, NULL, NULL, NULL, NULL, NULL),
sys.ODCIARGDESC(2, 'DOCUMENT_REPOSITORY', 'PLSQL',
'"DOCUMENT"', NULL, NULL, NULL),
sys.ODCIARGDESC(3, NULL, NULL, NULL, NULL, NULL, NULL)),
1,
NULL,
'constitution',
sys.ODCIENV(0,0,0,1));
Note: The 50.00000000 in this last call is the selectivity retrieved from step 2.
Only after these three steps complete does the query actually get executed:
-- Available online as part of contains_trace.doc
SELECT score(1), title
FROM document_repository
WHERE CONTAINS(document, 'constitution', 1) > 0
ORDER BY 1 DESC;
This is not the end of the processing though. To retrieve the records, the $I table (the index data table) is queried as follows:
-- Available online as part of contains_trace.doc
SELECT /*+ INDEX(i) */ TOKEN_FIRST,TOKEN_LAST,TOKEN_COUNT,ROWID
FROM "PLSQL"."DR$EXPERT_IDX$I" i
WHERE TOKEN_TEXT = 'CONSTITUTION'
AND TOKEN_TYPE = 0
ORDER BY TOKEN_TEXT, TOKEN_TYPE, TOKEN_FIRST;
Note: The search term is UPPERCASE when querying against the DR$EXPERT_IDX$I table because all of the tokens are stored in uppercase by default. The original SELECT was in lowercase. This automatic conversion to uppercase allows the Text index to provide case-insensitive searching.
This query returns the following result:
TOKEN_FIRST TOKEN_LAST TOKEN_COUNT ROWID
1 2 2 AAAN54AAEAAAOvEAAo
Finally, the $R table (the rowid table) is queried.
-- Available online as part of contains_trace.doc
SELECT data
FROM "PLSQL"."DR$EXPERT_IDX$R"
WHERE row_no = 0;
Only now do I see the results of my query:
SCORE(1) TITLE
55 United States Constitution
8 Bill of Rights
Keep in mind that modifications to the query, such as the addition of other columns in the where clause or the addition of operators, will result in a different trace.
===============================

Strange problem when joining two tables

Hi,
I have recently encountered a strange problem on an Oracle 11gR2 database which is optimized for Datawarehouse usage.
I am using two tables that have a relationship enforced by two fields of type NUMBER(10).
The problem is that when I am joining these two tables very often I get strange results and when I re-execute the query I get a different result. I saw in the explain plan that the Hash Join is used for joining these two tables.
select count(*)
from recharge_history rh, recharge_history_balance rhb
where rh.recharge_id = rhb.recharge_id
and rh.recharge_id2 = rhb.recharge_id2
and trunc(rh.recharge_date_time) between '30-Dec-2012' and '31-Dec-2012'
If I explicitly set the Join method to some other type through SQL Hints, or if I use to_number function when joining (even though the two fields used for join in both tables are of NUMBER(10) type), I get the correct result, like for example below:
select /*+ USE_MERGE (rh rhb) */
count(*)
from recharge_history rh, recharge_history_balance rhb
where rh.recharge_id = rhb.recharge_id
and rh.recharge_id2 = rhb.recharge_id2
and trunc(rh.recharge_date_time) between '30-Dec-2012' and '31-Dec-2012'
select
count(*)
from recharge_history rh, recharge_history_balance rhb
where to_number(rh.recharge_id) = t_number(rhb.recharge_id)
and to_number(rh.recharge_id2) = (to_number)rhb.recharge_id2)
and trunc(rh.recharge_date_time) between '30-Dec-2012' and '31-Dec-2012'
Thank you for your time.
Edrin

Hi, Edrin,
961841 wrote:
Hi,
I have recently encountered a strange problem on an Oracle 11gR2 database which is optimized for Datawarehouse usage.
I am using two tables that have a relationship enforced by two fields of type NUMBER(10).
The problem is that when I am joining these two tables very often I get strange results and when I re-execute the query I get a different result. I saw in the explain plan that the Hash Join is used for joining these two tables.
select count(*)
from recharge_history rh, recharge_history_balance rhb
where rh.recharge_id = rhb.recharge_id
and rh.recharge_id2 = rhb.recharge_id2
and trunc(rh.recharge_date_time) between '30-Dec-2012' and '31-Dec-2012'
Don't try to compare DATEs with VARCHAR2s, such as '30-Dec-2012'. The VARCHAR2 '31-Aug-2012' is between '30-Dec-2012' and '31-Dec-2012'; so are '31-Aug-2013' and '30-Mar-1999'.
That may not be your only problem, but it's still a problem.
If you're getting incosistent results, then it sounds like a bug. Start a service request with Oracle support.

Problem updating to iphoto 9.6 after upgrading to Yoesmite I am getting the following message when I try top date iPhoto This update is not available for this Apple ID either because it was bought by a different user or the item was refunded or canc

problem updating to iphoto 9.6 after upgrading to Yoesmite I am getting the following message when I try top date iPhoto This update is not available for this Apple ID either because it was bought by a different user or the item was refunded or canc

"This update is not available for this Apple ID either because it was bought by a different user or the item was refunded or cancelled." ?
This error message will appear erraneously, if you skipped the update to Mavericks and iPhoto 9.5.1 and went straight from an earlier MacOS X version to Yosemite, without first updating to iPhoto 9.5.1 and associating iPhoto to your AppleID.
Try first to buy iPhoto with your AppleID instead of updating. Delete iPhoto from Applications, but don't empty the Trash, then go to the main page of the App Store and search for iPhoto. If you are lucky, it will show as free and you can buy it directly.
If iPhoto is not showing as free, there is no help but contacting the App Store Support: Ask for a redemption code. You will need to provide a prove of purchase for your mac with iPhoto preinstalled.
http://www.apple.com/support/mac/app-store/contact/

How to avoid printing a blank page when there is 'no data' in the report.

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try like this
if@section:IND=1
this template
end ifsectionbreak
if@section:IND=2
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end if

Date 01/01/1901 in W_DAY_D when joined to a date wid in a Fact Table

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