Update a column on select every row trigger?

I have a column in a table which is populated using random
number generator via an insert trigger. Is there a trigger call
I can make so that we may update this column ON FETCH/SELECT
with a new random number. Ideally will like to use a database
trigger to do this??? This is a wierd thing I need to do more
business related than anything else. Thanks.

No triggers on selects, but you don't need to.
Create a view with SELECT7DBMS_RANDOM.RANDOM FROM7DUAL.
See below, blanks replced with middle dots for alignment777
I wasn't sure it would work so I tried it ( and I always wanted
to name a column "quazi")!
7SQL>7CREATE7OR7REPLACE7VIEW7station_random
777277AS
777377SELECT7location_number7777
77747777777,7call
77757777777,7name_location
77767777777,7country_state
77777777777,7previous_name_flg
77787777777,7lat
77797777777,7lat_flg
77107777777,7lon
77117777777,7lon_flg
77127777777,7elev
77137777777,7quazi
7714777FROM7worldwide_station_list
7715777777,7(7SELECT7DBMS_RANDOM.RANDOM7AS7quazi
7716777777777777FROM7DUAL
771777777777)
7718777777;
View7created.
7SQL>7select7*7from7station_random7where7rownum7<76;7
LOCATI7CALL77NAME_LOCATION7777777CO7P7777777777777LAT7L7777777777
777LON7L777777777777ELEV77777777777QUAZI
------7-----7-------------------7--7-7---------------7-7---------
------7-7---------------7---------------
3258307'77777PETROPAVLOVSKKAMCAT7'77N7777777777752.597N7777777777
158.397E77777777777777247777771629503002
8900407'77777SANAE7AWS77777777777'77N7777777777771.427S7777777777
772.487W777777777777781777777-1215566745
8950407'77777TROLL777777777777777'77N77777777777777727S7777777777
772.327E7777777777771290777777-964057571
9965607DB6567ENVIRONM7BUOY7230517'77N7777777777723.427N7777777777
7758.37E7'7777777777777777777-1438450404
9966507DB6657ENVIRONM7BUOY7230527'77N7777777777722.367N7777777777
7759.37E7'777777777777777777777404164777
Elapsed:700:00:00.01
7SQL>7r
771*7select7*7from7station_random7where7rownum7<76
LOCATI7CALL77NAME_LOCATION7777777CO7P7777777777777LAT7L7777777777
777LON7L777777777777ELEV77777777777QUAZI
------7-----7-------------------7--7-7---------------7-7---------
------7-7---------------7---------------
3258307'77777PETROPAVLOVSKKAMCAT7'77N7777777777752.597N7777777777
158.397E777777777777772477777-1470640679
8900407'77777SANAE7AWS77777777777'77N7777777777771.427S7777777777
772.487W77777777777778177777777-17578400
8950407'77777TROLL777777777777777'77N77777777777777727S7777777777
772.327E77777777777712907777777-26724017
9965607DB6567ENVIRONM7BUOY7230517'77N7777777777723.427N7777777777
7758.37E7'7777777777777777777-1870972567
9966507DB6657ENVIRONM7BUOY7230527'77N7777777777722.367N7777777777
7759.37E7'777777777777777777771035733761
Elapsed:700:00:00.01
Good Luck...

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Edited by: asatyana on Jan 16, 2012 12:48 AM
Edited by: asatyana on Jan 16, 2012 12:49 AM

Changing column value on every row in invoice matrix

Hi,
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Hi John,
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Kind Regards,
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ADF Mobile updating a column for all the rows

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Hi Every one,
This is My ADFMobile Usecase:
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I have few AMX pages in my Taskflow.
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Requirement:
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Thanks In Advance
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Varma.

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Hi Gurus,
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Edited by: Palepu on 9 Aug, 2012 4:25 PM

Not sure if you got the answer. You need to capture the row which got changed using the below and get the column value using the getAttribute method. This works for single selection row, if it is multi selection then you will have to loop through all selected rows and find the VO attribute value.
String rowReference = pageContext.getParameter(OAWebBeanConstants.EVENT_SOURCE_ROW_REFERENCE);
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Displaying new column while selecting the rows

Hi,
I am a new member of this forum and also beginner to database. Please let me know ,how to write a query for the below question.
There is a table with following details.
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AAA     300
BBB     200
CCC     500
DDD     150
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i.e.,
Output should looklike as follows,
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EEE     600     1
CCC     500     2
AAA     300     3
BBB     200     4
DDD     150     5
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Krystian, the order by along with rownum at the same level will not always work.
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         4 DDD
         2 BBB
         1 AAA
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5 rows selected.
SQL>Just do a select on the ordered resultset:
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DDD               150          1
BBB               200          2
AAA               300          3
CCC               500          4
EEE               600          5
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How to select every row in a table in case there is no user input ?

My control block is : DUMMY_BLK . It has field : RPTNO.
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execute_query;
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How can I do that , what do I need to add to the where clause please?
Thanks.

I think using same trick will work in this case also.
Modify your where clause as:
ULD_SHP_AGCODE LIKE NVL(:DUMMY_BLK.SA_NAME,'%') AND TRUNC(ULD_ETA) BETWEEN nvl(:DUMMY_BLK.ETA,'15-aug-1947') AND nvl(:DUMMY_BLK.ETA_TO,'15-aug-2050').
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I am sure, your ULD_ETA will fall between those two default dates.
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Please mark answer as helpful / correct, if it helps you
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Edited by: Navnit Punj on 29-Jun-2009 04:10

How to programatically select a row in TableBean and update its column?

Hi,
Can anyone help me on How to programmatically select a row in a TableBean and update its column?
Thanks,
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Hi,
My requirement is I need to update a column in a particular row of the table using fire action...
I have a datefield bean serve as birhdate and base on this I need to update the age column depending on the given dates..
Here's my code under the Process form request for your reference...
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PreparedStatement expPreparedStatement = trans.createPreparedStatement(expQuery ,1);
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empAge = expPreparedStatement.executeQuery();
} catch (SQLException e) {}
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Updating one row updates every row in the table

I'm having a weird problem in which I insert a row into a table, select that row, and update its columns, and all the rows in the table end up with those columns all set to the new value. Like this:
A B C
1 4 7
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A B C
1 4 6
2 4 6
9 4 6
5 4 6I'm using Mac OS X 10.4.9, OpenBase Solo 10.0.5, and Java 1.5. I hope someone has experienced this before because it has me befuddled.
Here is the actual code from my program:
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ResultSet rs;
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this.uid = uid;
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this.ch.setUniqueIDString(uid);
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OpenBase powers Apple's online store, so I wouldn't think that's the problem. I'm placing all the blame on the JDBC driver.
Funnily, I started updating ResultSets that way because executing UPDATE statements directly gave me this problem before. Doing it this way made the problem go away, until now.
I tried replacing the INSERT with two fields with one with all the fields, and now it throws a SQL error that is most definitely bogus:
java.sql.SQLException: SQL ERROR - [position 569, near '' in ', 0, 0, 0, ''] insert error: comma expected but not found in data.
SQL: INSERT INTO characters (UniqueID, CodePoint, NameFirst, NameMiddle, NameLast, NameMaiden, NameCommFirst,
NameCommMiddle, NameCommLast, NameCommFull, Title, Classification, Subclassification, Considerable, SexString,
TransitionString, GenderString, OrientationString, TitleString, PronounString, SGO, BirthDay, BirthMonth, BirthYear,
Generation, FirstOfSet, ParentBio, Parent1, Parent2, Parent3, ParentBioType, Parent1Type, Parent2Type, Parent3Type)
VALUES ('bomb', 123, 'Ziggy', 'Boogy', 'Doog', '', '', '', '', '', '', -1, -1, 1, '', '', '', '', '', '', 0, 0, 0, 0, 0, '', '', '', '', '', 0, 0, 0, 0)Bogus because there are the same number of data items as field names, and position 569 is a comma.
At this point I have to ask myself why I ever chose OpenBase in the first place. (That's right, I had a RealBasic plugin for it. shudders) I'm sure OpenBase itself is fine, but its JDBC driver is trash. MySQL here I come.
(Message was edited to prevent looooong horizontal scrolling)

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hello,
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dave

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Trying to write a Query that will look through a data set that will return the Barcodes of CompoundNames that have a summed Quantity > 500.
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0005
0006
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0008
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0004, XE 1000, XE 1000 103, 100
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0006, XE 2000, XE 2000 101, 100
0007, XE 2000, XE 2000 102, 100
0008, XE 2000, XE 2000 103, 100
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0010, XE 2000, XE 2000 105, 100
0011, XE 3000, XE 3000 100, 100
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Replacing a GROUP BY Aggregate function by analytic equivalent (using PARTITION BY)
will return every ROW (limited by where clause) but will not perform
actual "aggregation operation.
So it is possible that *selected result set* could contain duplicate row. Of course it depends on columns being seected and input data.
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For example...
*WITH DISTINCT*
{code}
sudhakar@ORCL>with t1 as
2 (select 0001 barcode,'XE0000' COMPOUNDNAME, 700 quantity FROM DUAL UNION ALL
3 select 0003 ,'XE1000' , 20 FROM DUAL UNION ALL
4 select 0003 ,'XE1000' , 280 FROM DUAL UNION ALL
5 select 0003 ,'XE2000' , 50 FROM DUAL UNION ALL
6 select 0003 ,'XE2000' , 100 FROM DUAL UNION ALL
7 select 0003 ,'XE2000' , 150 FROM DUAL UNION ALL
8 select 0003 ,'XE2000' , 200 FROM DUAL UNION ALL
9 select 0003 ,'XE2000' , 750 FROM DUAL UNION ALL
10 select 0003 ,'XE2000' , 120 FROM DUAL UNION ALL
11 select 0003 ,'XE1000' , 70 FROM DUAL
12 )
13 select distinct * from
14 (
15 Select Barcode, CompoundName, SUM(QUANTITY) over (partition by CompoundName) sumqty
16 FROM t1
17 )
18 where sumqty > 500
19 order by compoundname;
BARCODE COMPOU SUMQTY
1 XE0000 700
3 XE2000 1370
sudhakar@ORCL>
{code}
*WITHOUT DISTINCT*
{code}
sudhakar@ORCL>with t1 as
2 (select 0001 barcode,'XE0000' COMPOUNDNAME, 700 quantity FROM DUAL UNION ALL
3 select 0003 ,'XE1000' , 20 FROM DUAL UNION ALL
4 select 0003 ,'XE1000' , 280 FROM DUAL UNION ALL
5 select 0003 ,'XE2000' , 50 FROM DUAL UNION ALL
6 select 0003 ,'XE2000' , 100 FROM DUAL UNION ALL
7 select 0003 ,'XE2000' , 150 FROM DUAL UNION ALL
8 select 0003 ,'XE2000' , 200 FROM DUAL UNION ALL
9 select 0003 ,'XE2000' , 750 FROM DUAL UNION ALL
10 select 0003 ,'XE2000' , 120 FROM DUAL UNION ALL
11 select 0003 ,'XE1000' , 70 FROM DUAL
12 )
13 select * from
14 (
15 Select Barcode, CompoundName, SUM(QUANTITY) over (partition by CompoundName) sumqty
16 FROM t1
17 )
18 where sumqty > 500
19 order by compoundname;
BARCODE COMPOU SUMQTY
1 XE0000 700
3 XE2000 1370
3 XE2000 1370
3 XE2000 1370
3 XE2000 1370
3 XE2000 1370
3 XE2000 1370
7 rows selected.
sudhakar@ORCL>
{code}
vr,
Sudhakar B.

How to auto update date column without using trigger

Hi,
How to write below MYSQL query in Oracle 10g :
CREATE TABLE example_timestamp (
Id number(10) NOT NULL PRIMARY KEY,
Data VARCHAR(100),
Date_time TIMESTAMP DEFAULT current_timestamp on update current_timestamp
I need to auto update the Date_Time column without using trigger when ever i update a record.
Example shown below is from MYSQL. I want to perform the below steps in ORACLE to auto update Date_Time column.
mysql> INSERT INTO example_timestamp (data)
VALUES ('The time of creation is:');
mysql> SELECT * FROM example_timestamp;
| id | data | Date_Time |
| 1 | The time of creation is: | 2012-06-28 12:37:22 |
mysql> UPDATE example_timestamp
SET data='The current timestamp is: '
WHERE id=1;
mysql> SELECT * FROM example_timestamp;
| id | data | Date_Time |
| 1 | The current timestamp is: | 2012-06-28 12:38:55 |
Regards,
Yogesh.

Is there no functionality in oracle to auto update date column without using trigger??
I dont want to update the date column in UPDATE statement.
The date column should automatically get updated when ever i execute an Update statement.

On ALV report in1 column I want to put Icon on every row of that column.

On ALV report there is 1 column I want to put Icon on every row of that column.That ALV program uses object oriented concept all class and methods.
I want to use that icon on that row. That icon name is ICON_OKAY
In my program when I assign values to internal table at that time I am assigning that ICON_OKAY value to that row as follow.
Itab-
Itab-icon = ICON_OKAY.
Append itab.

please follow below procedure to display icon in ALV
1) In corresponding fieldcatelog entry do
fieldcatalog-icon = 'X'
2) While filling the internal table fill the corresponding key value of icon , for example ICON_OKAY value is '@0V@' so statement would be
Itab-icon = '@0V@'
to get list of corresponding key for icon open include <ICON> in se38

How can i select the next column instead of next row when press enter key

I need to know how can i select the next column instead of next row when i press the enter key.By default ,when i press enter key the next row is selected and the column remain unchanged but I wants opposite that is the row should remain unchanged but column index will changed.
Thanks to all.

Well, the right arrow key will already move you to the next column, so the easiest way to do this is to modify the InputMap to have the Enter key invoke the same Action as the right arrow key.
You can search the forum for my "Table Actions" (without the space) example that will show you how to do this.

Update a column on select every row trigger?

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