Updating table with invalid identifiers

Hi!
I use a third-party plug in and that comparisons of chemical structures. I would like to update one table with values from another when the plug-in matches two rows. However, I am getting an invalid identifier problem.
Two tables:
PLATES: has VARCHAR2 columns of PLATE_SMILES, IN_DB
INVEST: has VARCHAR2 columns of SMILES
The operator is a binary one: jc_compare(PLATE_SMILES, SMILES)=1 (or 0 if they don't match)
I want my query to say: "If comparison of PLATE_SMILES, SMILES = 1, set IN_DB=1 for that row" - effectively asking if PLATE_SMILES exists in the INVEST table.
I've tried a number of renditions, all giving invalid identifiers. Here's an example:
update (select plate.PLATE_SMILES, plate.IN_DB, invest.SMILES
from PLATES plate
INVEST invest
WHERE jc_compare(PLATE_SMILES, SMILES)=1)
set plate.IN_DB = 1;
ORA-00904: "PLATE"."IN_DB": invalid identifier
I'm hoping this should be an easy fix, and any help is greatly appreciated!

Hi,
You have
UPDATE (SELECT plate.plate_smiles,
               plate.in_db,
               invest.smiles
        FROM   plates plate, invest invest
        WHERE jc_compare ( plate_smiles, smiles) = 1)
SET    plate.in_db = 1;   -- Error herePLATE is not known outside the inline view. Just remove it.
Regards
Peter

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<newdataset>
<fileid>99</fileid>
<add>TRUE</add>
<edit>TRUE</edit>
<del>FALSE</del>
<ex>FALSE</ex>
<im>TRUE</im>
</newdataset>
<newdataset>
<fileid>100</fileid>
<add>FALSE</add>
<edit>TRUE</edit>
<del>FALSE</del>
<ex>FALSE</ex>
<im>TRUE</im>
</newdataset>
</xmldata>') doc from dual
select
fileid
,add_view
from
myxml
,xmltable('//newdataset'
passing myxml.doc
columns
Fileid number      path 'fileid'
,add_view varchar2(5) path 'add'
table created
select
from t_object_master
FILEID
ADD_VIEW
99
TRUE
100
FALSE
update t_object_master t
set add_view = (
with myxml as (
select xmltype(
'<xmldata>
<newdataset>
<fileid>99</fileid>
<add>FALSE</add>
<edit>TRUE</edit>
<del>FALSE</del>
<ex>FALSE</ex>
<im>TRUE</im>
</newdataset>
<newdataset>
<fileid>100</fileid>
<add>TRUE</add>
<edit>TRUE</edit>
<del>FALSE</del>
<ex>FALSE</ex>
<im>TRUE</im>
</newdataset>
</xmldata>') doc from dual
, myextract as (
select
fileid
,add_view
from
myxml
,xmltable('//newdataset'
passing myxml.doc
columns
Fileid number      path 'fileid'
,add_view varchar2(5) path 'add'
select
add_view
from myextract
where
fileid = t.fileid
select *
from t_object_master
FILEID
ADD_VIEW
99
FALSE
100
TRUE

How to reduce time when updating table with join of anther table

Hi all,
I am update table Policy1 using another table from other scheme
Policy1 is in schema "TEST".
TRN_POLICY_RISK_GIS is in Schema "TEST2".
Now i am executing my query which is taking lot of time to update and make cpu utilization upto 45%.
update policy1 set total_si = (select total_is from (select pol_sys_id,
avg(nvl(pol_cvr_si,0)) total_si from TEST2.TRN_POLICY_COVER_GIS tpcg
group by pol_sys_id ) b where p.pol_sys_id = b.pol_sys_id)
Help to optimize to given query.

update policy1    A
    set total_si =
       (select avg(nvl(pol_cvr_si,0))
           from TEST2.TRN_POLICY_COVER_GIS    B
          where B.pol_sys_id = A.pol_sys_id
;hopefully there is an index on TEST2.TRN_POLICY_COVER_GIS (POL_SYS_ID)

Updating table with seq

Hi,
Need some help..........Theres this history table with composite primary key having a record version number which is incremented everytime theres a modification on its parent table and records are inserted for the same instrument id. (one id = multiple version record number) and these two forms the composite key.......now we have to drop this key, add new column, which will be populated using a sequence....this sequence should be mapped to the instrument id so that there is no data modification for the existing data; later a primary key be applied to this new column with seq numbers. Please help.........
Thanks in adv.....

What is the problem in question?
null

Error Updating Table with "Get Active UnitOfWork" Checked

Hi everyone.
I call invoke the a DB Adapter twice to update table in one BPEL, and so I have checked "Get Active UnitOfWork" so that each update can be persisted. I am seeing inconsistent results. What could be causing this?

Hi, Have you checked the .jca source to make sure this value is indeed checked? Sometimes even when you check this option in the wizard it doesn't reflect in the source when you also perform a select operation: http://docs.oracle.com/cd/E12839_01/relnotes.1111/e10133/adapter.htm. Also are you using the xADataSource driver in the data source and the xADataSourceName ConnectionFactory property?
21.1.5.1 The Value Of the Active Unit Of Work Property Is Not Saved for Outbound SELECT Operation
While configuring an outbound Oracle Database Adapter to perform a SELECT operation, if you select Get Active Unit of Work in the Adapter Configuration Wizard - Advanced Option page, then the value of the GetActiveUnitofWork property is not saved in the .jca file.
The workaround for this issue is to manually add this property in the .jca file of the Oracle Database Adapter, as shown in the following example:
<property name="GetActiveUnitOfWork" value="true"/>

I have a problem when update tables with a database link (APEX)

Hi, I search answers for my problem and I not found a solution. My problem start when I open page with database link statement in APEX. I drop tables and execute this for update the tables in APEX.
EXECUTE IMMEDIATE 'CREATE TABLE XXXXXXX
AS
SELECT A1,A2,A3
FROM AAA@BBB';
I use Mozilla Firefox and isn't always updated the tables because it shows dialog for downloading file "f". I rename the file to txt and I see the text "IBMPC/WIN_NT-8.1.0"...
In the explorer always show a window only the text "IBMPC/WIN_NT-8.1.0"...
What is the solution for my problem? I need update this tables.
Thanks. John.

It's easy. It doesn't work a database link, on apex, with a pl/sql code or store procedure.
I saw that many people had the same problem but I don't see a solution.
As I put up, I want to remove my tables on APEX and copy the table of my Oracle database with the update dates.
The posts are from the same problem as my English is very bad, it got to help explain the problem.
I have a page with a pl/sql code. This code in Oracle is correctly.
For example, with this code I update the table PRUEBAS with the data of TABLEX.
BEGIN
BEGIN
EXECUTE IMMEDIATE 'DROP TABLE "PRUEBAS"';
EXCEPTION WHEN OTHERS THEN NULL;
END;
EXECUTE IMMEDIATE 'CREATE TABLE "PRUEBAS"
AS
SELECT AAA,
BBB,
CCC
FROM TABLEX';
END;
But, in this code, I have the problem.
BEGIN
BEGIN
EXECUTE IMMEDIATE 'DROP TABLE "PRUEBAS"';
EXCEPTION WHEN OTHERS THEN NULL;
END;
EXECUTE IMMEDIATE 'CREATE TABLE "PRUEBAS"
AS
SELECT AAA,
BBB,
CCC
FROM TABLEX@DB_LINK';
END;
I sometimes get an error. Sometimes it works fine, but half of the tries Apex returns "IBMPC/WIN_NT-8.1.0" in the browser and I am not using an IBM PC or Win NT...
And i read that In the alert_xe.log file there are a error of core dump... ... :S or that the application return corrupt headers.... Is a problem of versions?
I used a synonym and I have the same problem.
Even if I run the code on SQL COMMANDS (SQL WORKSHOP) it shows dialog for downloading file "f". I rename the file to txt and I see the text "IBMPC/WIN_NT-8.1.0"...
The problem is in Mozilla Firefox and in IE.
I have the OracleXE 10g (Application Express 3.0.1.00.08).
And the question is.. ... ... ... ... What is the solution? :)
Thanks.
John.

Updating table with more than 50 million records

Hi Team,
Updating three columns in a table which has 60 millions of records is taking a lot of time. How to improve the performance of the query. The table has to be updated based on the values from different database tables.
Thanks,
Eshwar.
Please don't forget to Marked as Answer if my post solved your problem and use Vote As Helpful if a post was useful. It will helpful to other users.

Split them into small batches
when you are using multiple tables, have them with JOINs
have the corresponding indexes for joining columns
disable triggers if any (if possible and doesnt affect your logic - wud be least favourable step ..)
also these shud help:
http://blogs.msdn.com/b/repltalk/archive/2011/10/10/lessons-learned-updating-100-millions-rows.aspx
http://www.sqlservergeeks.com/blogs/AhmadOsama/personal/450/sql-server-optimizing-update-queries-for-large-data-volumes
http://stackoverflow.com/questions/7344984/update-large-number-of-rows-sql-server-2005
Thanks,
Jay
<If the post was helpful mark as 'Helpful' and if the post answered your query, mark as 'Answered'>

Update table with BC4J results in ORA-1002: fetch out of sequence

In our BC4J application, any table updates result in an ORA-1002: fetch out of sequence error message. The code looks something like this:
EmpViewImpl voEmp = getEmpView ();
voEmp.setWhereClause ("id = :0");
voEmp.setWhereClauseParam (0, iEmpId);
voEmp.executeQuery ();
if (voEmp.hasNext ()) {
EmpViewRowImpl rowEmp = (EmpViewRowImpl) voEmp.first ();
rowEmp.setFirstName ("Larry");
getTransaction ().postChanges ();
getTransaction ().commit ();
This has something to do with a bug (according to the Oracle JVM release notes). Still, this is fairly basic BC4J code, copied straight from the BC4J documentation. So why won't it work? Is there a workaround?
I'm currently replacing all this code with straightforward executeCommand ("update emp set firstname='.......") commands. This isn't problem-free either, because the remaining BC4J-code isn't always directly aware of any changes made in the database this way.
We use Oracle 8.1.6.1.0 on Linux RedHat 6.2, and JDeveloper 3.1 on Windows 2000. We've deployed the BC4J application modules as EJB's into the Oracle 8i JVM.
Any help is much appreciated!!!

We've got the exact same problem!
Please help us....

Updating table with 13 milllion records

Hi
I need to update a table a with 14 million records from table b, i need to do the complete update in 4 hours time, the problem here is to update 4 million records itself it is taking 6 hours
Detailed design
Table b is the staging table which has 14 million records in it.
Table a is the table which needs to be updated with the table b data
I am taking the data in table b into a cursor and updating it row by row into table a, the columns on which i am joining table b and table a are indexed
is there any other better design where in i can complete the task in under 4 hours
thnks for ur answers in advance

update
    select
        a.column2       a_column2,
        a.column3       a_column3,
        a.column4       a_column4,
        b.column2       b_column2,
        b.column3       b_column3,
        b.column4       b_column4
    from
        table_a a, table_b b
    where
        a.column1 = b.column1
set
    a_column2 = b_column2,
    a_column3 = b_column3,
    a_column4 = b_column4;Or
update table_a a set (column2, column3, column4) =
    select b.column2, b.column3, b.column4
    from table_b b
    where b.column1 = a.column1
where exists
    select null from table_b b
    where b.column1 = a.column1
Doh! Too Late. :) Me too!
Message was edited by:
3360

Updating Table with DropDownList Selection (ASP)

I'm converting one of my Access forms into ASP and I'm having trouble mimicking Access's combobox features in ASP.
In my original form, I have a combobox bound to a lookup table that writes the selection into a master table field.
The combobox works like this in Access:
Row Source: SELECT sourceCodes.name FROM sourceCodes;
Control source: source (a field in my master table)
In Dreamweaver, I was able to populate a DropDownList with the same query as a Dataset ('sourceDropDown'):
<asp:DropDownList ID="DropDownList1" DataSource="<%# sourceDropDown.DefaultView %>" DataTextField="name" DataValueField="code" runat="server"></asp:DropDownList>
But I'm at a lack of how to write this data when a selection is made. The ASP page I'm making is set up to be an update form by default. How do I tie a combobox change into the update action or do I do something like an AfterUpdate for the DropDownList to write the selection back to the table immediately?
Goes without saying that I'm new to ASP. Any help or even pointers in the right direction would be really appreciated!
Thanks in advance!
[Subject line edited by moderator to indicate server technology used]

Thanks for your reply!
The problem I'm still seeing is that my DropDrown code doesn't seem to have anything in it to direct the selected DropDown item to a table's field. It does have a DataSource, which gives the DropDown its items, but I need to tell it where to put data when a selection is made, like "Control Source" in Access.
' This populates the DropDownList from a lookup table, but doesn't have any info on where to store selected data.
<asp:DropDownList ID="DropDownList1" DataSource="<%# sourceDropDown.DefaultView %>" DataTextField="name" DataValueField="name" runat="server"></asp:DropDownList>
' I'm using this code so the DropDown reads the actual field I'm trying to update ('source' from my dataset inventoryQry). This is part of the functionality that I want, but I also need to update the field if a selection is made from the DropDown
<% DropDownList1.SelectedIndex = DropDownList1.Items.IndexOf(DropDownList1.Items.FindByValue(inventoryQry.FieldValue("sour ce", Nothing) )) %>
I'll keep digging around. If you have any other pointers, thank you in advance!

Updating table with invalid identifiers

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