SQL & PL/SQL :: Delete Duplicated Record
May 21, 2010
I want to delete the duplicated record using following methods, it delete the records if all the record are matched according to condition, but if all records are not matched then it display error messages.
SQL> SELECT * FROM XYZ;
NAME FNAME ADDRESS JOB
-------------- -------------------- -------------------- -----------------------------------------
Bilal Khan Wali your rehman name district abbottabad student
Bilal Khan Wali your rehman name district abbottaba student
Bilal Kh Wali your rehma name district abbotta studen
Bilal K Wali your rehm name district abbotta studen
Bilal Khan Wali your rehman name istrict abbottaba tudent
lal Khan i your rehman name strict abbottaba tudent
[code]....
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Oct 14, 2010
I have tried the following delete statement but it is taking long time,and it's not giving any result.
DELETE FROM hs_table WHERE sno=1234 and effdt='25-MAY-10';
The records in the table are 90000.And we are deleting only one report.
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Jun 27, 2011
i m using oracle 10g forms
in one form
there are multiple records shown in this form
i m using one delete button
coding is
declare
v_yes_no varchar2(1);
begin
v_yes_no:=display_alert2('alert_2','Caution','Do you want to delete current record');
[Code]...
but when i press this button then one message shown on secreen
you can not delete this record
when i debug the form
message shown through on error trigger
i can not understand why this message ocuured
and record not deleted
no any constraint use in this form
but if i delete record from backend then records delete successfully
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Apr 8, 2012
I have a requirement to delete duplicate records. For example,if the below query retrieves count of duplicate records along with the column values.
select col2,col3,col4,col5,col6,col7,count(*) from table
group by
col2,col3,col4,col5,col6,col7
having count(*) > 1;
I would like to retain only one record with max(col1) which is a surrogate key and other records should be deleted.How to retain one record in a duplicate record set based on max of certain column.
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May 24, 2012
the following case is successfully done with mssql databases.
Case:
Table UserGroup
Columns id, name, handshake
When the handshake is set to 'd', this record should be deleted. I know it is bad behaviour by design.
What have I done so far:
- created an after update trigger (mutual error) Caused by trying a delete action in the update action, not possible.
- created a view in combination of instead of update trigger.
This causes also mutual error, or if ignored (PRAGMA AUTONOMOUS_TRANSACTION), an deadlock.
Code so far:
create or replace procedure Delete_UserGroup_sp(p_groupId in USER_GROUP.HMIUSERGROUPID%TYPE, p_handshake in USER_GROUP.HANDSHAKE%TYPE)
is
begin
if p_handshake = 'd' then
delete USER_GROUP WHERE HMIUSERGROUPID = p_groupId;
commit;
end if;
end;
create or replace view USERGROUP_V as select * from USER_GROUP
create or replace trigger USER_GROUP_T1
instead of update on USERGROUP_V
for each row
declare
PRAGMA AUTONOMOUS_TRANSACTION;
begin
Delete_UserGroup_sp(:new.HMIUSERGROUPID, :new.HANDSHAKE);
end;
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Feb 2, 2012
when i tried to delete the record by clicking the delete button which has the trigger code as
delete from emp where employee_id=:e_id; commit;
it wasn't. and showed the message as
---FRM-40508: ORACLE ERROR: Unable to INSERT record.
if i change the EMP ID item property "database item" to "NO"..then i can able to delete the record..but, now i am unable to insert the record form the same form...
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Jul 10, 2012
how to delete Parent table records without affecting to child table dependent records?..
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Mar 3, 2012
this is just the continuation of my previous topic,
After I bound data into the textboxes, now I want to delete it when I mistakenly click on the same data twice.
this is my screenshot:
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May 12, 2011
I have written this below code. The logic behind the code is, Delete the duplicate record from a table, and delete those record from other 7 table based on the SL_NUMBER.
But Problem is After delete the duplicate record When I have use Below statement
RETURNING SL_NUMBER BULK COLLECT INTO rec_sl_number;
This statement unable to return approx 40 Lakhs SL_NUMBER
DECLARE
rec_sl_number dbms_sql.number_table;
BEGIN
[Code]....
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Jun 5, 2011
How can I delete a record simultaneously to table?
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May 12, 2011
I am using 10g and want to let an user to delete a single record from a multirow form via delete button. This button is supposed to do the same, what the "delete record" button on the default menu does. (I want a custom menu, so I can't use that button)
My delete button ist assigned to a control-block and the when-button-pressed-Trigger of that button looks like this:
-------------
DECLARE
TEMP VARCHAR(30);
BEGIN
-- Record chosen?
IF :<BLOCK>.ID IS NOT NULL THEN
[Code]...
The problem is, that the alert asks the user about the previously chosen record correctly, but if the user clicks BUTTON1 the Form says: No changes to save (FRM-40401).
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Sep 20, 2012
we have certain users have DBA role assigned. of course they can delete records from sys.aud$.
we are trying to make this go away. we found that in DBA role, there is a role called DELETE_CATALOG_ROLE controls this. if we revoke this role from DBA role, user no longer able to delete records from sys.aud$ but the problem is as a powerful user who has DBA role, they can always grant this back to DBA role, or grant delete from sys.aud$ table directly to themself.
can we create a second role which just like DBA role, but with less privileges?
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Jul 29, 2013
Created three tables and group by 3 tables column name. want to delete duplicate record without first table(test). Delete the duplicate record in test1 and test2 except test.
SELECT a as Name,b as M_Name, c as L_Name, count(*) FROM ( SELECT first_name as a, middle_name as b, last_name as c FROM test UNION ALL SELECT first_name as a, middle_name as b, last_name as c FROM test1 UNION ALL SELECT first_name as a, middle_name as b, last_name as c FROM test2 ) as countGROUP BY a,b,cHAVING count(*) > 1
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Apr 22, 2010
My form consist two datablock cust_mstr,cust_dtls, each customer code consists two or three contact details records, when i delete the single detail record instead of deleting single record it deletes all the details records from cust_detail table.
Here by i attaching my form for your reference pls find the code in delete button
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Aug 6, 2011
i m using oracle 10g forms. in one form i m using post keyword when i use this function then records saved in temporary database but i want to remove one record from this form but it is allrady saved through post.
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Aug 10, 2005
I have multirecord block and I want to disable Inserting/Updating/Deleting more then one record at a time.
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May 4, 2010
How can I delete a record by writing code in when_button_pressed trigger.
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Aug 30, 2012
i have one table ot_ins_item where user will enter the details of item, grade,item qty , later on user will go and update the same table the details of different grades received for the same item in different columns with qty breakup in 3 different fields it_qty_01 , it_qty_02,it_qty_03 respectively with different grades , what i need is i want is whenever he updates this table with different grades based on data entered in 3 different fields , a procedure or trigger should delete the initial record saved and insert three different rows based on newly updated values , it may be 3 or it may be 2 sometime depending upon input values that many records should be inserted same time controlling the qty's entered in breakup not exceeding the main qty.
CREATE TABLE ot_ins_item (it_ins_no NUMBER,it_no NUMBER,it_grade VARCHAR2(12),
it_code VARCHAR2(12),it_qty NUMBER,it_flex_01 VARCHAR2(12),
it_01_qty NUMBER,it_flex_02 VARCHAR2(12),it_02_qty NUMBER,it_flex_03 VARCHAR2(12),
it_03_qty NUMBER);
create sequence s_it_no start with 1 ;
INSERT INTO OT_INS_ITEM VALUES (1,s_it_no.NEXTVAL,'A','ITEM1',NULL,NULL,NULL,NULL,NULL,NULL);
INSERT INTO OT_INS_ITEM VALUES (1,s_it_no.NEXTVAL,'B','1TEM2',NULL,NULL,NULL,NULL,NULL,NULL);
INSERT INTO OT_INS_ITEM VALUES (1,s_it_no.nextval,'C','ITEM3',NULL,NULL,NULL,NULL,NULL,NULL);
SELECT * FROM OT_INS_ITEM;
[code]....
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Aug 9, 2010
I'm having table like this:
deptno
10
10
20
20
30
40
my query isI need the records which are not duplicated.
my output must have the records 30 and 40 only.
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Sep 7, 2013
I totally realize that but here is what im trying to accomplish. I have a table with one column that repeats.the table looks like this.
create table testCheck (check_num varchar2(20), amount number(17,2), invh_Code varchar2(20))
and it has data like so
INSERT INTO "TESTCHECK" (CHECK_NUM, AMOUNT, INVH_CODE) VALUES ('001', '50', '1123')
INSERT INTO "TESTCHECK" (CHECK_NUM, AMOUNT, INVH_CODE) VALUES ('001', '50', '1123')
INSERT INTO "TESTCHECK" (CHECK_NUM, AMOUNT, INVH_CODE) VALUES ('002', '100', '1234'
I would like to write a query that would give me the distinct check_num's but put an asterisk on the items that are actually duplicated.so in other words expected result in this case would look like this.
"CHECK_NUM" "AMOUNT" "INVH_CODE"
"001*" 50 "1123"
"002" 100 "1234"
I've been able to get as far as getting the unique values but what i cant do is figure out for the life of me how to put the asterisk in there.here is my query.
with Checkquery as (
SELECT count(*) over (partition by CHECK_NUM order by CHECK_NUM ROWS UNBOUNDED PRECEDING ) thiscount, CHECK_NUM, AMOUNT, INVH_CODE
FROM TESTCHECK
group by
check_num,
AMOUNT,
INVH_CODE)
select check_num, amount,invh_Code from Checkquery where thiscount ='1';
I simply want to identify the dups put an asterisk on the record and then only select one of the records.
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May 26, 2010
I'm having problem with my database, which contains more than 1 rows with a same value on a field that has uniqueness contraint.
Here is the log from sqlplus. When I select on RI field, it shows 2 rows. But when I select on SCNUM field, it shows only 1 row. This SCNUM has an unique index on it.
And it is still in VALID state
SQL> set autotrace on
SQL> select ri, scnum from scratch1_p where ri in (536964983, 536955574);
select ri from scratch1_p where scnum='444393975';
RI SCNUM
---------- ----------
536955574 444393975
[code].....
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Oct 17, 2013
I have now created my tables and now I want to populate them with my data but I get errors below is my full sql command. From last time I learned that one foreign key can be implemented in one table and cannot be duplicated to work around this I changed my foreign key as you can see to "fkone" . but why am I getting errors when trying to add information I mean I have not gotten errors in the first two tables so what am I "doing wrong/ not understanding"
CREATE TABLE CUSTOMER (CUSTOMERNAME varchar (25),STREET varchar (25),CUSTOMERCITY varchar (25),CONSTRAINT CUSTOMER_pk PRIMARY KEY (CUSTOMERNAME)); CREATE TABLE DEPOSIT (CUSTOMERNAME varchar (25),BRANCHNAME varchar (25),ACCOUNTNUMBER int,BALANCE decimal (7,2),CONSTRAINT DEPOSIT_pk PRIMARY KEY (ACCOUNTNUMBER)); CREATE TABLE LOAN(CUSTOMERNAME varchar (25),BRANCHNAME varchar (25),LOANNUMBER int,AMOUNT decimal (7,2),CONSTRAINT LOAN_pk PRIMARY KEY (LOANNUMBER)); CREATE TABLE BRANCH (BRANCHNAME varchar (25),BRANCHCITY varchar (25),ASSETS decimal (7,2) ,CONSTRAINT BRANCH_pk PRIMARY KEY (BRANCHNAME)); ALTER TABLE DEPOSITadd
[code]....
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May 15, 2013
Re: Report Columns duplicated when region is copied.
When I copy a region which I have created via master-detail form, the report columns are duplicated. I'm actually copying the whole page but I have had other cases where I just copying the desired region and the columns were duplicated there as well. And, of course, there is no way that I know to delete columns from the form. But I doubt because -- in at least some cases I've tried -- the columns seems to be "linked" in that a change to one copy of the column was duplicated in the other when changes were applied.
In the example (below), there are three regions on the page and the problem occurs in region 2. (I think I will likely delete the first region.) It's been agonizing trying to get the report of region 2 and the tabular formish edits of region 3 on the same page. I made this in Oracle 11.2 in our APEX 4.1 and imported it to 4.2. You can see it here:
WS apex_examples_01
demo
demo
Appl. 991204
Page 57 is the original page created in 4.1 and imported
Page 58 is the page copied from 57 under 4.1 and imported
Page 59 is the page copied from 57 under 4.2 (Same result as in 4.1.)
If you want to try the page, select DSD01 from the DSD LOV, click "Query Process" and then click the edit icon. Ignore the region 1 errors -- I'll probably delete this region. The data is region 3 is for Run Date 12-May-13.
Is there some setting that allows this region to be copied without duplicating columns?
P.S. I think I know why it happens: APEX hates me!
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Dec 10, 2010
Why duplicated rows when a PK is present running Sqlldr?
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Dec 25, 2011
when a user change or delete any record or row in forms data automatically move to other table because i want to compare old and new record.
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Oct 9, 2012
I have to write a procedure that accepts schema name, table name and column value as parameters....I knew that i need to use metadata to do that deleting manually.
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Jul 26, 2012
My procedure proc_ex is in when_validate_item trigger
I have one Multi Record data block in my form with values in its items
I need to Populate multi record block values to one Record Group using
add_group_row,
add_group_column,
set_group_char_cell to populate values to record group
Let us suppose my multi record data block looks like
item1 item2 item3 item4
10 20 50 70
25 15 30 45
45 90 47 38
75 25 85 90
30 56 78 80
how to populate these multi record datablock values to Record Group ???..Eagerly waiting for your Replies
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May 16, 2012
I am loading data file using SQL Loader in TOAD 10.5.1.3 in Oracle 10g using the control file below and loading data into 2 tables post1.thead and post1.tdetl. THEAD contains item level transaction and TDETL is detail level when a transaction has a discount or promo attached to for that item. When the
LOAD DATA
APPEND
INTO TABLE post1.thead
WHEN (1:5) = 'THEAD'
TRAILING NULLCOLS
(file_type POSITION(1:5)CHAR,
[code]....
A particular THEAD value may have 0, 1 or many TDETL corresponding values.below is a sample data file. When the position 21 in the TTAIL has a value of 1 or 2, then we know that there is a promo or discount applicable to the ITEM (THEAD).
THEAD0000000002201109142011091400000000000002091 1 0 -1
TTAIL0000000003000000
THEAD0000000012201109142011091400000000000002091 1 0 -1 20110914-1
TDETL0000000013CMPSPL1004 0 000000010000P0000000000000019990000000000000000200000
TTAIL0000000014000001
THEAD0000000021201109142011091400000000000002091 1 0 -1
TDETL0000000022EMPDSC1005 0 000
TDETL0000000023SCOUP 1006 0 973452 000
TTAIL0000000024000002
What I want to acheive is to accurately reflect a TDETL to its corresponding THEAD, as both THEAD and TDETL are loaded into separate tables. How can we have the 2 records correlated?
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Aug 26, 2013
I have a table which contains the multiple records for single ID No. Now i have to select single record which contains the latest date. here is the structure Name
Null Type ------ ---- ------------ ID_P NUMBER NAME_P VARCHAR2(12) DATE_P TIMESTAMP(6) Records---------------------1 loosi 22-AUG-13 01.27.48.000000000 PM1 nammi 26-AUG-13 01.28.10.000000000 PM2 kk 22-AUG-13 01.28.26.000000000 PM2 thej 26-AUG-13 01.28.42.000000000 PM
now i have to select below 2 rows how can write select qurie for this?
1 loosi 26-AUG-13 01.27.48.000000000 PM2 thej 26-AUG-13 01.28.42.000000000 PM
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Sep 13, 2011
I have a fairly standard Purchase Order form which contains pre-loaded data (been uploaded from an XML file).When the Purchase Order is processed, the form updates a Price History table only if the Price on the PO_Details changes.The code for updating the price history table is contained in a PRE_UPDATE trigger on the PO_Details Data Block.
No other data changes on the PO_Details table.I now want to change this so that the Price History table is updated even if the price does not change i.e I want to create a history record for each record on the PO_Details irrespective of whether it was updated or not.
Is there an alternative trigger that I can move my code to (ie move it from PRE_UPDATE) to some other trigger that is fired for each PO_Details record even if there is no change.
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