SQL & PL/SQL :: Table Update Time
Oct 18, 2010
We are doing a Proof of concept, and we created a test table with record count as 3,00,000(3 lakhs).
An update query takes, 9 minutes against this table.
Actual Scenario:
================
In client environment we have 75 million records. Here we have to run a set of update query against this table.
We need to give a estimated time for the update in our estimation plan. Can the estimated time be arrived based on the 9 minutes time above, or will the time increase if number of records increase.
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May 14, 2010
I have a base table (Table A) block with multiple records displayed. I need to track audits to this underlying table in the following way:
If user updates a field in the block I want the pre-changed record's audit fields to be set and I need to create a copy of the record with the changed values. Basically any changes will result in the record being logically deleted, and a copy record created with the newly changed values.
Tried to implement in the block's pre-update trigger which will call a package to directly update Table A then Insert into Table A, then requery the block. Is there a clean and efficient way to do this?
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Sep 26, 2012
update xml eating up a lot of time is there any way to tune
SELECT UPDATEXML(:B3 , '/FCUBS_RES_ENV/FCUBS_BODY/FLD/FN[@TYPE="' || :B2 ||
'"]', :B1 )
FROM
DUAL
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.00 0 0 0 0
Execute 499 0.44 0.90 0 3 0 0
Fetch 499 1.49 2.87 0 0 0 499
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 999 1.93 3.77 0 3 0 499
real code
SELECT updatexml(l_xml,
'/FCUBS_RES_ENV/FCUBS_BODY/FLD/FN[@TYPE="' ||
upper(replace(cspkes_misc.fn_getparam(p_parent_list,
l_parent_list_clob,
'Y',
l_cnt,
'>'),
'-',
'_')) || '"]/text()',
l_fn_str)
INTO l_xml
FROM dual;
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Jul 21, 2011
I have table test1(id,name) and table test2(id,,name)
Now when I update name column of a row on test1 I want the same value to be updated for the same id in test2.
So I wrote this trigger but its not working
create trigger test_trigger after update on test1 for each row
begin
update test2 set name=new.name where test2.id=id
end
/
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Dec 3, 2012
I have a procedure I need to feed a number into in order to generate some thumbnails.
I'm trying to automatically update the value every time a new row is inserted but I'm having trouble with the code.
DECLARE
varInt NUMBER :='SELECT MAX(IMAGE_ID) FROM IMAGES';
begin
create_blob_thumbnail(varInt);
end;I get the error +'ORA-06502: PL/SQL: numeric or value error: character to number conversion error'+
If I run the query SELECT MAX(IMAGE_ID) FROM IMAGES, it returns the last row ID I created just as it should. The create_blob_thumbnail(varInt) procedure works fine if I manually put in a number.
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May 29, 2012
i want to create a trigger that will update a table when there is an insert or update.i can't across this error that i don't even know what it means "table %s.%s is mutating, trigger/function may not see it".
*Cause: A trigger (or a user defined plsql function that is referenced in this statement) attempted to look at (or modify) a table that was in the middle of being modified by the statement which fired it.
*Action: Rewrite the trigger (or function) so it does not read that table.
CREATE OR REPLACE TRIGGER set_date_end
BEFORE INSERT OR UPDATE OF issued ON shares_amount
FOR EACH ROW
DECLARE
BEGIN
INSERT INTO shares_amount(date_end) VALUES(SYSDATE);
END set_date_end;
/
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Jan 10, 2011
I create databalock - LC_REQ_PO_ITM_DTLS...In design time Insert and update allowed for that block - YES. While i execute query, i write procedure like this
GO_BLOCK('LC_REQ_PO_ITM_DTLS');
EXECUTE_QUERY;
SET_ITEM_PROPERTY('pb_item_cd', enabled, property_false);
SET_BLOCK_PROPERTY('LC_REQ_PO_ITM_DTLS',INSERT_ALLOWED, PROPERTY_FALSE);
SET_BLOCK_PROPERTY('LC_REQ_PO_ITM_DTLS',UPDATE_ALLOWED, PROPERTY_FALSE);
but when i press execute button , then data comes properly on that bloack..but i click on that block, error comes like this - 'You can not create record here '.and data disappearing..
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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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Jul 19, 2011
I have a column "empno" in EMP table and "deptno" in DEPT table . I want to update both the columns with single UPDATE statement. With out a creation of stored procedure or view(updating it through view).
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Dec 7, 2010
I am trying to create and update query to use as a trigger for updating information in a database which is dependent upon time.
I have a severity level which needs to be decreased in value after a set amount of time. the time of the action is recorded automatically on the creation of the the record. after an hour anything at severity level 2 needs to go up to 1, after 2 hours level 3 goes up to 2 and 3 hours level 4 goes up to 3
so far this is what I have
UPDATE calllog
SET timedate = current_timestamp, severityid = severityid - 1
WHERE ((severityid = 2 and timedate >= current_timestamp + (1/24)) or
(severityid = 3 and timedate >= current_timestamp + (2/24)) or
(severityid = 4 and timedate >= current_timestamp + (3/24)))
I am not getting any errors back from this sql but it is not updating the relevent information. I am using one cell for time and date in format = DD-MON-YYYY HH24:MM:SS.
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May 16, 2013
creating an sql script that can update info from one table in dbase1 to another table in dbase2 that has the same columns and if possible insert date and time in one column when the synchronized is done?
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Aug 24, 2013
My scenario is I need to insert into History table when a record is been updated into a tabular form(insert the updated record along with the additional columns Action_by,Action_type(Like Update or delete) and Action Date Into History table i.e History table contains all the records as the main table which is been visible in tabular form along with these additional columns ...Action_by,action_type and action_date.
So now i dont want to create a befor/after update trigger on base table rather i would like to create a generic procedure which will insert the updated record into history table taking the page alias and pade ID as the parameters(GENERIC procedure is nothing but whcih applies to all the tabular forms(Tables) contained int he application ).
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Feb 6, 2011
I am trying to update columns of Table A with the columns of Table B. Both these tables have 60,000 rows each. I tried this operation using following 2 queries:
Query 1
Update TableA A
set
(A.col1,A.col2,A.col3)=(select B.col1,B.col2,B.col3
from TableB
where A.CODE=B.CODE)
Query 2
Update TableA A
set
(A.col1,A.col2,A.col3)=(select B.col1,B.col2,B.col3
from TableB
where A.CODE=B.CODE)
where exists
A.code = (select B.code
from TableB B
where A.code=B.code)
When i execute these two above queries, it keeps executing indefinitely.
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Dec 28, 2010
I need to take a snapshot of a table before insert or update happens to that table.... in oracle 10g. I am reading the MV docs from oracle and below link..
[URL].......
how MV should be written for this and how to schedule it in dbms_jobs for auto refresh?
assuming that t1 is the table where DML operation are goin to happen so before any insert or update, snapshot has to be taken, and I am assuming that to do this it would look something like this?
create materialized view my_view refresh fast as select * from t1;
create materialized view log on my_view;
and then schedule in a dbms_jobs?
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Aug 14, 2011
Can we update a table using another schema table of same style?
Example:
Update employees
set employee_name=hr.employees.employees_name
where employee_id=100;
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Aug 14, 2010
i have two databases and created the link between them. I can easily query the data but when i need to update my local records from the remote its showing an error
SQL> update laptop set name =
2 (select name from laptop@ora_link1 where id between 2 and 4)
3 where id between 2 and 4;
(select name from laptop@ora_link1 where id between 2 and 4)
*
ERROR at line 2: ORA-01427: single-row subquery returns more than one row
select multiple rows from the remote db and update them in the local db.
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Sep 14, 2011
Is is possible to get the time last DML was ran on a table.
My aim is to get the list of tables which were not modified(Select,insert,update,delete) within last one year.
DB version details:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bi
PL/SQL Release 10.2.0.5.0 - Production
CORE 10.2.0.5.0 Production
TNS for Solaris: Version 10.2.0.5.0 - Production
NLSRTL Version 10.2.0.5.0 - Production
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Aug 28, 2011
My problem is the following:
At the time when P_delivery_date changes in P_ORDERS I want to transfer P_delivery_date to S_delivery_date in S_ORDERS for corresponding records.
Tables:
purchase orders table P_ORDERS:
P_order_number,
P_poz_number,
S_order_number,
S_poz_number,
P_delivery_date
sales orders table S_ORDERS:
S_order_number,
S_poz_number,
S_delivery_date
My question is:
Is it possible and what would be the solution using the TRIGGER on table P_ORDERS to update S_delivery_date with P_delivery_date in S_ORDERS?
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Aug 8, 2012
how to adjust a total (counter) after a record is inserted into a table.
the dilemma i am facing is we are using third party software for our fundraising operations so I have no control over what gets done in the background as users process their daily batches into the system. below is the scenario:
create table paytable(
idnumber number(12),
appealcode varchar2(20),
batchno number(8),
trantype varchar2(3),
transnum number(8),
split_transnum number(8));
[Code]..
IDNUMBER APPEALCODE BATCHNO TRA TRANSNUM SPLIT_TRANSNUM
---------- -------------------- ---------- --- ---------- --------------
16084 DVFG1206 20120808 PP 23853576 1133821
16084 DVFG1206 20120808 PPO 23853577 1133821
1234 DVFG1206 20120808 PP 23853578 1133822
create table appealtable
(appealcode varchar2(20),
total# number(9),
total$ number(13,2));
[Code]...
APPEALCODE TOTAL# TOTAL$
-------------------- ---------- ----------
DVFG1206 100 2500
during batch posting records are inserted into the paytable, on some pledge donations donors will send overpayments when fulfilling a PLEDGE(as is the case with donor 16084) therefore the system will split the payment during the process and will assign a trantype of 'PP' to the exact pledge amount and a 'PPO'(pledge payment overage) towards the balance. additionally as records get inserted into paytable there is counter of those paytable records going into the appealtable for that particular appealcode so in the case above when batchno 20120808 is completed appealtable.total# will show 103 and total$ will show $2532($10,$12,$10,,,I did not include payment$ since that is not the focus of this issue and will not change).
mgt wants the counter into the appealtable to be 2 instead of 3 records since the two records that were split(same split_transnum) should be recorded as one response not two.
I have tried writing an after insert trigger(dreaded mutating table error) and can't seem to figure out how to update the counter to the appealtable after records are inserted into paytable. below is some code I've been working with but it's not working.
CREATE OR REPLACE TRIGGER PPO_Payment
AFTER INSERT ON paytable
FOR EACH ROW
DECLARE
p_cnt NUMBER :=0;
[Code]...
show errors
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Apr 21, 2013
Using Oracle 11g SOE R2...
I used to have two tables to store details of PROPERTIES e.g UNIT_COMMERCIAL , UNIT_RESIDENTIAL. I need to combine both of them into one table called UNIT. I moved the data to the new table, but now I am stuck how to update the values of the child table which called MARKETING.
---
Now, I have two tables:
MARKETING (ID NUMBER PK , OLD_UNIT_ID NUMBER FK ...)
UNIT (NEW_ID NUMBER PK , OLD_UNIT_ID NUMBER ... )
I need to update the value of OLD_UNIT_ID in Marketing table to be equal to NEW_ID in the table of UNIT. As you can see the values of OLD_UNIT_ID in both tables are the same.
I used this statement
update ( SELECT distinct M.UNIT_ID , U.OLD_ID , U.ID FROM MARKETING M INNER JOIN UNIT U ON (M.UNIT_ID = U.OLD_ID)) set unit_id = idBut I got this error:
ORA-01732: data manipulation operation not legal on this view??
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Dec 19, 2012
I've tried to Update table with values from another table, but I couldn't.Is there a single way to do that with just one query?Below goes an example:
CREATE TABLE TEST1 (
COD NUMBER,
DCR VARCHAR2(10) );
CREATE TABLE TEST2 (
COD NUMBER,
DCR VARCHAR2(10),
DCR2 VARCHAR2(10) );
[code]....
I want to UPDATE the field DCR of the table TEST1 with the VALUE of the field DCR2 of the table TEST2.At the end, after the update, the table TEST1 would be like that:
SELECT * FROM TEST1
COD --- DCR
------------------
1 'TESTE3'
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Sep 6, 2013
I want to update a row in a table say Table A and the updated row should be inserted into another table say Table B. I need to do it in a single SQL query and i don't want to do it in PL/SQL with triggers. And i tried with MERGE statement but its working with this scenario.
(Note: I'm using Oracle Database 10g Enterprise Edition Release 10.2.0.1.0).
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Oct 26, 2010
I am having a requirement to update a table column from min value of column from other table..
Since i cannot format the code well here..I attaching one pdf where we have details and requirements..
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Jul 24, 2013
I am using oracle 11g:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
PL/SQL Release 11.2.0.2.0 - Production
CORE 11.2.0.2.0 Production
TNS for Linux: Version 11.2.0.2.0 - Production
NLSRTL Version 11.2.0.2.0 - Production
I have a table usage_data with 100 millions of rows in it . It's a partitioned table.
I want to update one of the column in this table usage_data with a default value.
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Oct 29, 2012
I have a data in the table like below
Before:
ID SEQ_ID Manager_id Reg_days
1 1 111 1
1 2 222 3
1 3 333 5
1 4 444 7
1 5 555 9
Action: User deletes SEQ_ID #3
After:
ID SEQ_ID Manager_id Reg_days
1 1 111 1
1 2 222 3
1 3 444 7
1 4 555 9
the query to update the table how what was seq_id #4 becomes seq_id #3 and what was seq_id #5 becomes seq_id #4; i.e. every sequence number > the one deleted is decremented by one so that the sequence numbers remain contiguous.
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Nov 16, 2012
What is the need of Temp table in Oracle ? what is the advantage of Temp table over normal table ? Is temp table a log operation one. What is the scenario of using temp table in real time ?
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Jul 23, 2012
I am working on 10.2.0.4 oracle version database of my production,
when executed a simple drop command , the total time it took is 26 secs. on Avg. the table is holding only 20 records. this is happening for the last few weeks , prior to that it took less than 0 secs.
05:22:58 SQL> drop table C$_100GL_INTERFACE ;
Table dropped.
Elapsed: 00:00:26.67
but on successive executions the elapsed time falls to 10-15secs.
And on the same test env, we are achieving the expected results less than 0 secs.
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Oct 22, 2010
I have a table ITEM as under;
ARTICLE VRTCODENAMESTATUSNEW_NAME
4KABAN.NM.12.21121143SU19I
4KABAN.NM.12.21564101SU23I
4KABAN.NM.24,5.22491015SR08I
4KABAN.NM.24,5.23181038SR22I
4KABAN.NM.24,5.23491015SR08I
4KABAN.NM.24,5.24121161SR26I
how to update the filed from NAME to NEW_NAME, I need following output.
ARTICLE VRTCODENAMESTATUSNEW_NAME
4KABAN.NM.12.21121143SU19ISU19
4KABAN.NM.12.21564101SU23ISU23
4KABAN.NM.24,5.22491015SR08ISR08
4KABAN.NM.24,5.23181038SR22ISR22
4KABAN.NM.24,5.23491015SR08ISR08
4KABAN.NM.24,5.24121161SR26ISR26
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Jul 30, 2009
i have 2 identical tables....the trick is with regards to one column say column A,the first table TableA is constantly having data inserted and data updated, what im trying to do is create a before insert or update trigger that looks at column A and if column A=20 it changes this to 5 and inserts this into the tableB, everything else with the exception of Column A will be the same:-
this trigger i have done works but doesnt change the value of column A (INPUT_NADI) as i dont know how to do this:-
CREATE OR REPLACE TRIGGER UPDATE_TRG_NP_NE1_T0
BEFORE INSERT ON TESTNSS.NP_NE1_T1
REFERENCING NEW AS NEW OLD AS OLD
FOR EACH ROW
DECLARE
BEGIN
INSERT INTO NP_NE1_T0
VALUES
[code]....
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Feb 19, 2010
I want to update column in table 1 based on a substraction of two column, one from the same table and the other from different table. Then update the result of substraction in table 1. Number of rows in two tables are different.
--for r in (( select (table2.y - table1.y as x from table1, table2 where table1.x = c and table2,.x = m))
declare
i number := 1;
c number ;
m number;
[Code]....
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