Loadjava column name problem

When trying to load compiled java classes, I always get the following:
Error while retrieving errors for BradTest
ORA-00904: invalid column name
resolver :
Error while resolving class BradTest
ORA-00904: invalid column name
loadjava: 2 errors
I get this error no matter what, even if I have an empty class with no methods or variables. I am using the following syntax for the loadjava:
loadjava -user id/password@host:1521:SID -t -r -v BradTest.class
Any ideas what the problem is?
Thanks,
Brad

Sounds as though the JVM may not be correctly or completely installed. You may need to rerun the INITJVM.SQL script (as sys) and check the alert log for errors.

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Column name problem

Hi all.... I have a little strange problem.. I hope you all can help me in solving this.
for brief intro, I have an web application on MySQL written entirely in JAVA. Now we want to migrate from MySQL to Oracle... We have used Oracle Migration Workbench for migrating Schema and data. There is no problem uptill now.
The real problem is with the column names... to clear the problem lets have an example...
In mysql, if you execute[b] 'Select employeeID,empName from employee' you will always get 'employeeID' and 'empName' column names in the resultset meta data... but if you executes the same query on oracle you will get 'EMPLOYEEID' and 'EMPNAME' column names in resultset meta data... then we make some xmls using these column names and then parse them and get values using HashMap... now in hashmap 'a' is different from 'A'... We did not take care of this problem while building this application. Now the application is almost completed and we are just one step away from migrating to Oracle but this problem is hindering us.
just keep in mind there are several jsps,java beans, java services working on DB. So we need such a solution to apply on oracle and get our desired column names back from result set meta data.
I have tried multiple solutions for this.
1. Synonyms.. but you can only create synonyms for table not for column names
2. Create table with double qoutes... but then we have to change all our queries which requires a lot of files to change.
3. Create Views.... but it has same problem as of point 2.
Can you suggest any better way to work around this problem... which require minimum effort and we migrate to oracle with existing code... Otherwise we have to do a lot of donkey work to change the code...
Thanks in advance
Message was edited by:
user587592

migrate to oracle with existing code... Otherwise we
have to do a lot of donkey work to change the code...Is that not why SED/AWK/GREP and PERL were invented?
As others have said, the SQL standard as well as several implementations do not support mixed- or camel-case identifiers. IN addition, only 8 character identifers are required, all else is 'above the standard'. You are facing a typical porting issue.

Case sensitive column name problem

I have a strange problem in my application.
I install the application on several machines with no problem but in one machine I'm getting an exceptions on:
"Column 'SomeColumnName' does not belong to table"
the code look like this:
DataRow newDataRow = myTableFromDatabase.NewRow();
newDataRow["SomeColumnName"] = dr["SomeColumnName"];
when I change the code to upper case:
DataRow newDataRow = myTableFromDatabase.NewRow();
newDataRow["SOMECOLUMNNAME"] = dr["SOMECOLUMNNAME"];
it works on the problematic machine.
- I got the same problem on reading data from OracleDataReader.
- The property DataTable.CaseSensitive was not changed (default = false).
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Ok ,
This is the most bizar bug that I ever saw:
The problem was that the machine was running in turkey.
In .NET culture settings the function ToUpper is not work on the letter 'i' when the region is turkey.
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Rowset column name problem

All,
I am a new user of JSC and am hopefully running into a simple issue. I've searched the forums here but so far have not found any postings regarding my problem. Apologies if this has been asked and answered before.
I am building a webapp to display data from a MySQL database. There are several places in the schema where I need to join to the same table multiple times. I have setup the joins in the query builder and also setup a view in the database directly that does the joins. Either way, the query works fine and returns the expected data. The trouble is that the rowset underlying the dataprovider is not returning the metadata using either the table&column aliases from the query builder or the column names from the view, but rather in all cases returning the underlying table and column names. In my table component I am trying to display the data from each table.column alias distinctly but because the metadata visible to the dataprovider is the same (ie table.column), I end up with both table columns showing the same data. I've tried to track down the implementation of the metadata getter method but it is apparently in source that is not provided.
In case it matters, I'm using mysql-connector-java-5.0.3-bin.jar as the driver.
Is there something I'm missing or is there a workaround for this?
Thanks in advance,
Scott

Thanks,
I should have been more explicit in my description of the problem.
Example of what I have is as follows:
select table1.columnA, table2.columnA as columnX,....
from table_name as table1 join table_name as table2....
where there are other tables and columns in the select clause as well as the join conditions but where the base table and column (in the above table_name.columnA) are used twice with two different aliases. I have done this join directly in the query builder and also created a view, hiding the actual names of the columns. I can execute either query in the query builder and the columns in the result set "spreadsheet" are labeled with the base table column names, not the aliased names or the view's column names. This is causing a problem because the same thing happens when I try to bind the ui:table columns to the dataprovider. It uses the base tables' column names and I have no way to distinguish between the different aliases. If I try to manually change the jsp to refer to the aliased name or the view column name, I get an exception that the aliased tablename and or column is an invalid parameter.
Sorry if that was not clear in my original post.

Invalid Column Name Problem

Hi..
I have a table component and that is bound to a Database Table.
I have button name "UPDATE" which commits changes to DB.
When I press "UPDATE" button an error occurs...
Number of conflicts while synchronizing: 1 SyncResolver.UPDATE_ROW_CONFLICT row 0 [sunm][SQLServer JDBC Driver][SQLServer]Invalid column name 'date'.I dont have any column name "date".
I tried my best but not yet successful..
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Hi RK,
Here is the SQL Statement
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Datagrid column name codes..
Code:
var dp:DataProvider = new DataProvider();
dp.addItem({column1:"xx", column2:"xx", column3:"xx" });
works fine but if i'm change column name to numeric value (eg:32) gives me error..
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Worked fine..
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Problem in XI - JDBC (oracle) Scenario, case sensitive column name

I had a XI -> JDBC scenario, connecting to a SQL server, where the query was being generated using Message Mapping (XML SQL Format),
now the database has been migrated from SQL server to Oracle, and we are using the same XI scenario, but now the problem is, the query generated using message mapping doesnt work because it seems the query (UPDATE statement) requires the field name as having All capital letters, i mean the Column name in query to Oracle has become case sensitive,
can u help me out

Hi
Oracle doesnt have restriction that Query has to be in uppercase for any column. But it is good go use Upper case for the Query.
Use oracle editor to do the query if it is working fine and then use XML SQL in XI
Check this thread SAP has given some
http://help.sap.com/saphelp_nw04s/helpdata/en/43/68a541a1166153e10000000a1553f6/frameset.htm
Check FAQ on the JDBC adapter, see SAP Note 831162
always useful Note
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Problem in getting column name by API "SQLColAttribute"

The column name is "～＜＞＃！＠" (Japanese SBC case).
Using Oracle ODBC driver, the result turns to be "?＜＞＃！＠" , the SBS case ~ (tilde) cannot be obtained correctlly.But there is no problem if the driver change to Microsoft ODBC for Oracle.
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Hi Nitin,
Following is the specification for getRemoteHost()
"Returns the fully qualified name of the client that sent the request, or the IP address of the client if the name cannot be determined. For HTTP servlets, same as the value of the CGI variable REMOTE_HOST." I think the same would be true for getHostName().....
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Having a column name as a variable within a query,Problem!!!!

I have a problem with a simple query shown below
SELECT * FROM DisneyWHERE Upper(COLNAME) LIKE UPPER('%' || SEARCHSTRING || '%');SELECT * FROM Disney
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I am using oracle 11g and visual studio .net 2005

user10372910 wrote:
If you can refer me to any material you think i would find helpful to read or experiment with pls let me knowThe online documentation is a good place to look...
http://www.oracle.com/pls/db102/homepage?remark=tahiti
Start with the concepts guide which gives a good background to the Oracle database.
Look up "bind variables", "hard parsing"/"soft parsing" of queries
In light of what boneist highlighted, you may also want to do a search for "function based indexes".
Those topics should give you some insight into the performance issues around queries and why it is better to write SQL that uses bind variables and get's soft parsed (re-usable SQL) rather than writing dynamic queries that become hard parsed (non-reusable SQL).

Problem with column name width

Hello!
I have a report and the column names are too big. Is there a possible way to make them appear in two lines so the column width would be smaller?
Thanx in advance for any answers...

Hello,
I can't reproduce that problem. Probably dependent of the Template you're using. You can try setting the height of the class (I can't tell you which one - unless you set up an example on apex.oracle.com) to a larger value.
Greetings,
Roel
http://roelhartman.blogspot.com/
You can reward this reply by marking it as either Helpful or Correct ;-)

Problem in displaying row vale as column name

Hello Experts,
Please help me,its very urgent....
i want to dispaly a column value as a column name.
i have two column into selete statement and i want to dispaly one column value as a column name and other column value as a single row.
My query is :
SELECT MAX(DECODE (NAME,'virtualDeviceId',VALUE))vdid ,
MAX(DECODE (NAME,'virtualDeviceType',VALUE)) vdevtype,
MAX(DECODE (NAME,'domainName',VALUE)) vdevtype1,
MAX(DECODE (NAME,'sCTPPortSip',VALUE)) vdevtype2,
MAX(DECODE (NAME,'signallingIpAddress',VALUE)) vdevtype,
MAX(DECODE (NAME,'signallingNetworkMask',VALUE)) vdevtype,
MAX(DECODE (NAME,'uDPPort',VALUE)) vdevtype,
MAX(DECODE (NAME,'uDPPortEnum',VALUE)) vdevtype,
MAX(DECODE (NAME,'sCTPPort',VALUE)) vdevtype,
MAX(DECODE (NAME,'sCTPPortM3UA',VALUE)) vdevtype FROM(
SELECT extractvalue(VALUE(l),'/S109:trafficParameters/S109:name'
, 'xmlns="http://itprogrammes.intra.bt.com/pdb/capabilities/ManageDaaliResource/2005/11/16" xmlns:header="http://wsi.nat.bt.com/2005/06/StandardHeader/" xmlns:S97="http://ccm.intra.bt.com/2005/11/16/LIB/Info/CCM/AnalysisModel/Services" xmlns:S109="http://ccm.intra.bt.com/2005/11/16/LIB/Info/MTOSI"') NAME,
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, 'xmlns="http://itprogrammes.intra.bt.com/pdb/capabilities/ManageDaaliResource/2005/11/16" xmlns:header="http://wsi.nat.bt.com/2005/06/StandardHeader/" xmlns:S97="http://ccm.intra.bt.com/2005/11/16/LIB/Info/CCM/AnalysisModel/Services" xmlns:S109="http://ccm.intra.bt.com/2005/11/16/LIB/Info/MTOSI"') VALUE
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output is :
Col1 Col2 col3 col4 col5 col
1.'1001105'          '1001105'
2. 'MGC'
3.'value' 'value' 'value'
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I want all values in a single row.
Please help me
Surender Rana

It is ugly to force multiple rows into a single row. But it can be done and can be done dynamically as the following approach shows.
SQL> create or replace type TStrings as table of varchar2(4000);
2 /
Type created.
SQL>
SQL> create or replace function ForceColumns( cur SYS_REFCURSOR ) return TStrings is
2 setCols TStrings;
3 setResults TSTrings;
4 begin
5 setResults := new TStrings();
6 loop
7 fetch cur into setCols;
8 exit when cur%NOTFOUND;
9
10 if setCols.Count > 0 then
11 setResults.Extend( setCols.Count );
12 for i in 1..setCols.Count
13 loop
14 setResults( setResults.Count-i+1 ) := setCols(i);
15 end loop;
16 end if;
17 end loop;
18
19 return(setResults);
20 end;
21 /
Function created.
SQL>
SQL> select
2 ForceColumns(
3 CURSOR(
4 select TStrings(object_id,object_name,object_type) from user_objects where rownum <= 5
5 )
6 ) as RESULT_SET
7 from dual
8 /
RESULT_SET
TSTRINGS('TABLE', 'A', '70998',
'PROCEDURE', 'ABC', '54360',
'TABLE', 'ANIMALS', '84829',
'TABLE', 'B', '69604',
'PROCEDURE', 'BUILDNAMEMAP', '70155')
SQL>Note that as the row can contain any number of columns, it needs to be dynamic. This approach uses a collection type called TStrings to achieve this.

Problems on selecting views with french characters into column names

Hi All,
I have views with column names such as "Détermination Planimétriq" or "Année de construction:*";
I can get in my c# function this columns names from ALL_VIEWS dictionary table, but if I try to make a selectionby use of an OracleCommand, Oracle returns an "Invalid identifier" error:
SELECT "Détermination Planimétriq" FROM mytable;
System.Data.OracleClient.OracleException (0x80131938): ORA-00904: "Determination Planimetriq": invalid identifier at System.Data.OracleClient.OracleConnection.CheckError(OciErrorHandle errorHandle, Int32 rc) at ...
Any suggestion?...

Be wary of using character codes outside the Western European "simple" alphanumeric [A-Z0-9] for object names, i.e. columns, table names, function and procedure names, and so on.
First reason, there is a 30 character limit for most object names, and characters that have to be spelled out with unicode characters take more space, i.e.:
select dump( 'Détermination Planimétriq' ) from dual;
DUMP('D?TERMINATIONPLANIM?TRIQ')
Typ=96 Len=29: 68,239,[ ... ]Although the varchar string for that column name looks like 25 characters, it needs room for 29 to store the e<acute> character. And could also depend on the client settings. Using case sensitive names is not a best practice, its better to avoid specifying objects with the double quotes.
http://docs.oracle.com/cd/E11882_01/server.112/e26088/sql_elements008.htm#i27570

Problem with long column names

I'm trying to fetch rows via pl/sql from an Access db table that has long(over 30 characters) column names. I've tried using pass-through sql but it still returns generic ODBC error. Is there a way to get this to work without changing column names in table?

Andy,
Oracle does have a restriction in column name size but if you are using pass-through this should not come into play.
It may be a restriction of the ODBC driver or a bug. Please take a look at the ODBC driver trace file.
Vira

Problem with column names

I have named my columns for exaomple column trasanctionid as "TransactionID".But when i write a process and run the query in the process it takes the column name as all in cappital letters.Hence it gives me follwing error.
ORA-00904: "TRANSACTIONID": invalid identifier
I want to know whether there is any constraint to name columns all inc apital letters in apex.I am finding it difficult to change column name and then make changes throughout the app for it.This error has popped up many times for me and I had to everytime change the column anme to all capitals to get rid of this error.
Edited by: dwitiya on Sep 3, 2010 10:52 AM

Glad to hear it.
And as you can see from the other responses, case sensitive column names are not widely understood (many people assume they don't exist), so it's really best to avoid them wherever possible. The only time I've seen column names defaulting to case sensitive was when we imported a table from Microsoft Excel using a third-party tool (Toad). This caused us a rather significant amount of headache, and it's something I've been careful to check for ever since.
Of course, once a table or a column is created with a case-sensitive name, it can be hard to break free, as you're discovering--you can't just alter the table and rename the column, as your existing code will break. (transactionid is equal to "TRANSACTIONID", but not "TransactionID".) So if you're not willing to go through your entire codebase to fix the case-sensitivity (and most of us don't have time to), you're going to have to get used to putting quotes on the things that need it.
Which will, of course, help you remember to make your table and column names case-insensitive in the future. :-)
-David
Edited by: DavidG on Sep 3, 2010 11:17 AM: realized I'd mis-typed a variable name.

How to rename C00n generic column names in a Dynamic SQL report

I have a an interface whereby the user can select 1 to 60 (upper limit) columns out of 90 possible columns (using a shuttle) from one table before running a report.
To construct the SQL that will eventually execute, I'm using a "PLSQL function body returning SQL query" with dynamic SQL. The only problem is that I have to use "Generic Column Names" option to be able to compile the code and end up with c001 to c060 as the column names.
How can I use the names of the selected columns as the report headings rather than c001, C002... etc?
I do not know beforehand which columns, or how many columns or the order of the selected columns.
I know Denes K has a demo called Pick Columns but I can't access his code. I have a hunch though that he may be just using conditions to hide/show the apropriate columns.
thanks in advance
PaulP

Hi Paul
I would change the Heading Type in the Report Details screen to PLSQL and use the shuttle item to return the column values. e.g.
RETURN :p1_shuttle;
I'm assuming the shuttle already has a colon separated list of the column headings in the correct order?
I hope that helps
Shunt

Loadjava column name problem

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