Permissions to update certain columns only in SQL 2005 ?

Is there a way to grant allow a user or role to update certain columns within a table?...or recommended way like involve creating a View or something else?
Thanks in advance.

GRANT|REVOKE|DENY <permission> ON <schema>.<table>(<column>) TO [User];
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What property/preference sets block property "Update changed columns only"

Hi, we are wondering how Designer (latest version 10.1.2.4) desides when it generates a form with block property "Update changed columns only" set to Yes.
Under some cricumstances this property is No in the generated .fmb
We checked the object library, but the .olb has this property set to No, so Designer overrules it.
Our goal is to generate all blocks with the "Update changed columsn only" set to No, because we ran in a forms bug that it can't handle Insert statements on blocks with this property set to Yes (ORA-01036). This bug only occurs in the latest forms version 10.1.2.3
Hope anyone can help to force this property to be No when we want to achieve 100% generation from Designer.
Kind Regards
Auke Quist
Edited by: aukequist on Oct 13, 2008 8:49 PM

I think that's not possible in designer. You could define a block with this property set in the template form or in the object library. The use this block use the template/library object property in designer.
Regards Erik

Update Changed Columns Only

How to generate a form with a data block with the "Update Changed Columns Only" property set to "yes" from Designer 9.0.4.6? Is there an equivalent for this property in Designer? Or do I have to create a library object which I then have to subclass from?
Thanks in advance
Gerald

Hi Gerald
When you look in the help of Designer (Generated data block properties (implicit/explicit)), the Forms property "Update Changed Columns Only" is not mentioned. That implies that there is no property/preference in Desinger that will influence the value of this Forms property.
So yes, you have to create a library object and subclass from it.
Another solution is to work with the Forms built-ins GET_BLOCK_PROPERTY and SET_BLOCK_PROPERTY in a Pre_Form trigger, but I personally would prefer a new library object for this.
Kind regards,
Lennart de Vos

Capture change on certain columns only in ODI,

Hi experts:
Need you help to suggest the proper way to meet the following requirements.
Requirements”
(a) Source– Oracle 11g, need to track changes to 2 columns only - [Table A, Column A1] & [Table B, Column B1]. These 2 columns may be changed many times during a day.
(b) Every 4 hours, based on what are captured from (a), find out the distinct rows changed (i.e. based on primary keys of Table A, Table B) , and only ship the most current row images for these rows to target
(c) Target – Sybase, meet to perform transformations on the 2 column values (i.e. Column A1, Column B1) to map to target table [Table C, Column C1]
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Your help is much appreciated.
Regards

Hi,
887999 wrote:
Hi experts:
Need you help to suggest the proper way to meet the following requirements.
Requirements”
(a) Source– Oracle 11g, need to track changes to 2 columns only - [Table A, Column A1] & [Table B, Column B1]. These 2 columns may be changed many times during a day.
(b) Every 4 hours, based on what are captured from (a), find out the distinct rows changed (i.e. based on primary keys of Table A, Table B) , and only ship the most current row images for these rows to target-- Check out the JV$ and JVD$ views that are created when you start the ODI Journal, they do exactly what you have described in (b) - You get the latest update based on the SCN number when they occured.
(c) Target – Sybase, meet to perform transformations on the 2 column values (i.e. Column A1, Column B1) to map to target table [Table C, Column C1]To be honest the target is irrelvant, you just need to decide if you want to do the transformation on the source on the way out of oracle (set staging area different to target and choose your Source logical schema).
I would design an interface that uses Table A and Table B as the sources, do the join , transformation on Oracle and map to Target Table C, choose your staging area based on where you want the joins / transformation to take place, pick a Knowlege module based on Technology and how you want to update the target.
>
From my limited understanding, I think trigger-based CDC is to be used. However, not sure how to do this , especially (a) and (b). For example, where do we configure trigger logic to achieve (a) from the ODI studio ?You can use Synchronous (Trigger based) or Asynchronous (Logminer / Streams based) to perform what you want, see this nice guide on setting up CDC and consuming the changes :
http://soainfrastructure.blogspot.ie/2009/02/setting-up-oracle-data-integrator-odi.html
If your friendly with your source system DBA then I prefer Asynchronous CDC , its less intrusive than triggers, it does however need a bit of knowledge on how to monitor it, Metalink / Support has plenty of info.
>
Your help is much appreciated.You welcome, have a play with it in a demo environment and get a feel for how you consume the captured changes (Lock Subscriber, Extend Window, Consume, Purge + Unlock, Loop) etc.
The guide I've linked to uses an ODI WAit for Data to trigger the consumption of changes, you have stated every 4 hours so I would skip the ODI wait for data and simply schedule your package to run every 4 hours.

Block based on Stored Procedure - Update Changed columns only

If I were to base a block on stored procedures that includes an Update procedure but only update SOME of the updateable columns, what happens?
Does the Form send to server ONLY
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2) The columns that updated
3) All columns in the row being updated regardless of whether they were updated
Is the correct answer 1) + 2) or 1) + 3)
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Thanks

Hello,
<p>There is another example here</p>
Francois

How can I change the output for certain columns only?

I am finding it hard to explain my issue , as I am very green when it comes to database, but I will try my best.
I am writing a script that will query a database and output 5 columns, the first and last name of a student, the last name of their adviser, their enrollment status, and how many years they have been enrolled.
I have the student's enrollment date and graduation date stored, however not all students have graduated, so that field is null for some students.
my question is, how can I use their enrollment status of graduated to change the calculation of how long they were enrolled for.
This is what I have so far :
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     FACULTY.NameLast
FROM
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     FACULTY
WHERE
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I'm not sure where to go form here, like I said, I am very new. Thank You in advance!

Thank you for the warm welcome :)
My Oracle Version is 11.2.0.1.0
Here is the create statement I used for the table.
CREATE TABLE STUDENTS
(StudentId NUMBER(9)
,NameFirstS VARCHAR(255) NOT NULL
,NameMiddleS VARCHAR(255)
,NameLastS VARCHAR(255) NOT NULL
,PhoneHome NUMBER(10) NOT NULL
,PhoneOffice NUMBER(10)
,HomeCity VARCHAR(255) NOT NULL
,HomeState VARCHAR(255) NOT NULL
,HomeStreet VARCHAR(255) NOT NULL
,EnrollDate DATE NOT NULL
,EnrollStatus VARCHAR(255) NOT NULL
,StudyArea VARCHAR(255) NOT NULL
,SpouseNameFirst VARCHAR(255)
,SpouseNameLast VARCHAR(255)
,ThesisTitle VARCHAR(255) NOT NULL
,ThesisInternational VARCHAR(255)
,ConvocationDate DATE
,ThesisAdvisor NUMBER(9) NOT NULL
,Mentor NUMBER(9) NOT NULL
,CONSTRAINT STUDENTS_pk PRIMARY KEY (StudentId)
,CONSTRAINT STUDENTS_Mentor_fk FOREIGN KEY (Mentor)
REFERENCES FACULTY(FacultyId)
,CONSTRAINT STUDENTS_ThesisAdvisor_fk FOREIGN KEY (ThesisAdvisor)
REFERENCES FACULTY(FacultyId)
And here is 2 inserts of random data
INSERT INTO STUDENTS (StudentId, NameFirstS, NameMiddleS, NameLastS, PhoneHome, PhoneOffice, HomeCity, HomeState
, HomeStreet, EnrollDate, EnrollStatus, StudyArea, ThesisTitle, ConvocationDate, ThesisAdvisor, Mentor)
VALUES(778506631
          , 'John'
          , 'Jacob'
          , 'Smith'
          , 3125551234
          , 5182293313
          , 'Wilksbury'
          , 'Texas'
          , '14 Main Road'
          , TO_DATE('04-SEP-2003', 'DD-MON-YYYY')
          , 'Graduated'
          , 'Physics'
          , 'Why Move'
          , TO_DATE('07-JUL-2008', 'DD-MON-YYYY')
          , 157928743
          , 997569876
INSERT INTO STUDENTS (StudentId, NameFirstS, NameLastS, PhoneHome, HomeCity, HomeState, HomeStreet
, EnrollDate, EnrollStatus, StudyArea, SpouseNameFirst, SpouseNameLast, ThesisTitle, ThesisInternational, ThesisAdvisor, Mentor)
VALUES(251321188
          , 'Larry'
          , 'Timsfield'
          , 2815551200
          , 'Johnsburg'
          , 'Florida'
          , '223 Route 54'
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          , 'Full Time'
          , 'Medicine'
          , 'Wanda'
          , 'Timsfield'
          , 'Cut Me Mick'
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          , 101325587
I don't know how to format them like you did in your reply, so they look like a quote, so I hope that just pasting them in is okay.

UPDATE multiple columns with conditional SET parameters

I have a procedure that updates multiple columns of a table using the procedure's parameter. Is it possible to have one update statement with conditional SET parameter?
CREATE TABLE TEMP
(POL_NUM NUMBER,
OED DATE,
TERM NUMBER,
TRANS_CD CHAR(2));
INSERT INTO TEMP VALUES (1, '1 AUG 2009', 12, 'NB');
INSERT INTO TEMP VALUES (2, '4 AUG 2009', 12, 'XL');
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pPOL_NUM NUMBER,
pOED IN DATE,
pTERM IN NUMBER,
pTRANS_CD CHAR2)
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Please help Gurus!!
Edited by: Kuul13 on Sep 18, 2009 1:26 PM

Hi,
You certainly don't want to issue separate UPDATE statements for every column; that will be really inefficent.
SQL has several ways to implement IF-THEN-ELSE logic. CASE is the most versatile, but NVL will do everything you need for this job. You can use one of those to set a column to itself (and therefore not really update that column) when appropriate.
For example:
CREATE OR REPLACE PROCEDURE TMP_PROC (
pPOL_NUM   IN       NUMBER,
pOED          IN   DATE,
pTERM          IN   NUMBER,
pTRANS_CD IN       CHAR
AS
BEGIN
     UPDATE temp
     SET     oed      = NVL (poed,       oed)
     ,     term      = NVL (pterm,       term)
     ,     trans_cd = NVL (ptrans_cd, trans_cd)
     WHERE     pol_num      = ppol_num;
COMMIT;     -- Maybe
END    tmp_proc;"EXCEPTION WHEN OTHERS THEN NULL" is almost always a bad idea. If there's an error, don't you want to know about it? Shouldn't you at least log a message in a warnings table or something?
Think careflully about whether or not you want to COMMIT every time you call this procedure.
Just as it's inefficient to issue a separate UPDATE statement for every column, it's also inefficient to issue a separate UPDATE statement for every row. If efficiency is important, it should be possible to UPDATE several rows in a single UPDATE statement, using NVL (or CASE, or COALESCE, or NULLIF, or NVL2, or ...).
This was a very well-written question! Thanks for providing the CREATE TABLE and INSERT statements, and such a clear explanation.

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I made a first attempt to create the external table from a .txt file.
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Always include the following information when asking a question:
<ul>
<li>Full APEX version</li>
<li>Full DB/version/edition/host OS</li>
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Hi Experts,
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Ex.
Data in Cube
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1 | C01 | Draft | A
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John,
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I guess I'll just have to break an old habit I've been doing for years for comments. Dang, I hope all that old code doesn't break...
Thomas
Spoke too soon. I followed up by checking what Oracle's 'Oracle Database 10g The Complete Reference' had to say about the issue of using '--' for comments and under '-- (Comment)' it says "-- tells oracle a comment has begun. Everything from that point to the end of the line is treated as a comment. These delimiters are used only within SQL itself or in PL/SQL ..."
So I guess I can continue using '--', but need to keep in mind that in certain circumstances it might not work as expected. YMMV
Edited by: Thomas 8246 on Feb 19, 2010 8:09 PM

Permissions to update certain columns only in SQL 2005 ?

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