Raw Values in all_tab_columns (8i)

I want to retreive Low_value and High_value from all_tab_columns. These fields use the raw datatype. How do I convert them to a decimal number. I am using Oracle 8i.
Thanks,
Les Smith

Hi,
Thanks everyone who replied to my question. I found the stats table created by the DBMS_STATS package would store the low_value and high_value in a decimal format. I used the DBMS_STATS.EXPORT_TABLE_STATS procedure to take the system statistics and place them in a user stats table.
Here is the approach I took:
DECLARE
BEGIN
--CREATE A USER TABLE TO HOLD THE STATISTICS
DBMS_STATS.CREATE_STAT_TABLE (
'ADW',
'STATS_TAB');
--RUN STATS TO POPULATE SYSTEM STAT TABLE
SYS.DBMS_STATS.GATHER_TABLE_STATS (
'ADW',
'MSF');
DBMS_STATS.EXPORT_TABLE_STATS (
ownname => 'ADW',
tabname => 'MSF',
stattab => 'STATS_TAB');
END;
SELECT
C4 AS COLUMN_NAME,
N1 AS NUM_DISTINCT,
N5 AS NUM_NULLS,
N6 AS LOW_VALUE,
N7 AS HIGH_VALUE,
N8 AS AVG_COL_LENGTH
FROM STATS_TAB
WHERE TYPE ='C'

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Can not user Raw value as NULL return in Select List

Help me!
I recently converted my application to take advantage of the sys_guid() function that oracle offers over the sequence/trigger option.
However, I user a hierarchical set up and I need to be able to insert a RAW value of '00' if the user does not select something in a select list. When I try to do this, I get an "ORA-01465: invalid hex number" error.
I've also tried to return 00 and HEXTORAW(0) but that didn't work either. Infact 00 return a can not insert null value. Please help as I believe the sys_guid function is the best choice if I can make it work.

Hey Scott, my first name is Daniel.
Here is in detail the reason for which I want to be able to work with RAW. As everyone knows, most of your tables your going to have a UID. In general this is going to be a NUMBER column into which you will insert values that populate from a trigger getting the nextval of a sequence and returning the result into the NUMBER column of the row being inserted.
This, however, requires a trigger and a sequence. Not that that's really a bad thing, I just think it can be done better. All we are really after here is a UUID or GUID. The thing is if you used a sequence to generate this value, you don't have a good way of knowing that the number is truly unique. You'll learn this as soon as you try to merge with a table from another database or do something else of the like.
What I prefer to do is to use Oracle's SYS_GUID function when I create a table. To use this function you create a RAW(16) DEFAULT SYS_GUID(). From that point you don't even need to reference the column on insert, unless you're inserting into * and in that case you just specify DEFAULT. The use of sys_guid means I don't need a trigger and I don't need a sequence, and the result will always be unique, regardless of the DB.
In APEX, and elsewhere, the way you use a select list is with a display value and a return value. An example would be, emp_name as the display value and emp_id as the return value. In my case, the emp_id would be the RAW values returned by the SYS_GUID() function when the employee was created. But it's not working because of the RAW value.
I know that APEX can enter the value in session state that is returned from a RAW column because I did a test earlier and it worked. I would have to see it in session state for debugging. *** The problem is in creating a new record. ***
APEX really does not have to work with the RAW column because the default value has been specified. But for some reason, it does not like it anyway. I found this problem when working with parent/child relationships in my tables.
Lets say there are three columns GUID, TITLE, and PARENT. When creating a new record, I allow the user to select its parent. If the new record IS a parent then they would leave it as the default '- Is Parent -' and the PARENT column would be left as NULL. But because the GUID is RAW to make the relationship work with the parent, the PARENT column would be RAW too and APEX gives me the errors I was telling you about before.
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How do you restrict the scorm reporting to only set raw value if 100

I have an issue with the LMSSetValue cmi.core.score.raw output from a Captivate 4 course published to SCORM 1.2.
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What the remote user can do is to implement this policy . Allow UDP protocol on port 5060 but the only source should be west.broadcore.com.
Unfortunately, Apple routers are quite simple, and do not have the features and settings that you would need to do this.
However, if you are using a modem/router or gateway device with the AirPort Express, then you might be able to set up the modem/router to do what you need. What is the make and model number of the device that you likely call your "modem"?

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Hi,
I cannot make this code work:
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cmd.CommandType = CommandType.StoredProcedure;
cmd.InitialLONGFetchSize = -1;
cmd.Connection.Open();
cmd.BindByName = true;
OracleParameter p = cmd.Parameters.Add("parameter_no1", OracleDbType.Decimal);
p.Value = 10549923;
p.Direction = ParameterDirection.Input;
p = cmd.Parameters.Add("parameter_no2", OracleDbType.Decimal);
p.Value = 656427;
p.Direction = ParameterDirection.Input;
p = cmd.Parameters.Add("RETCURSOR", OracleDbType.RefCursor);
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if (reader.Read())
... code here ...
cmd.Connection.Close();
It keeps throwing AccessViolationException when executing the reader.Read() statement.
The only value the ref cursor returns is a LONG RAW, but it fails even before I try to access that through the reader. I cant seem to find the problem!
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Carl

Can you try out changing ExecuteReader to ExecuteNonQuery and get OracleDataReader from the OracleRefCursor stored in p.Value?
Something like -
cmd.ExecuteNonQuery();
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<items>
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Justin

Hi Justin,
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In the change event you could have some JavaScript code something like;
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It is tempting to use a natural key (as you have) but I would probably have used a surrogate key (that is something only the form knows about, like 1,2,3, etc) and then look it up in some structure maybe as simple as a JavaScript array, depends on the complexity of your form.
Hope this helps,
Bruce

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I believe you will have to do the conversion in Labview.
Attached is a VI I wrote to do that. For 4-20 mA, wire 4 into Min in and 20 into Max in. Wire your engineering units Max and Min into Max out and Min out. Put the measurement into Input, you'll get the converted value out of output.
Attachments:
Rescale.vi ‏13 KB

Raw high_value in the all_tab_columns table

There are some columns defined as float(126) in my database. I need to find out the highest values held in these columns. I am using the high_value column (defined as raw) in the all_tab_columns table. Is there a way to convert raw hig_value to number/decimal?
oracle version - 8i

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How to read the raw (volt) value of a AI scaled Fieldpoint Channel in Labiew?

Is there a labview native vi to read the Raw value of a pre-scaled (Max) fieldpoint channel? I can't seem to find anything in the advanced palette either...
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Howdy!
I am confused since the subject and your question seem conflicting.
However, the process of reading a scale and none scale FieldPoint
channel in LabVIEW is basically the same. You will create a scaled
channel in MAX and then use the FieldPoint Read and Write VIs and
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National Instruments
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NI Support Resources
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Numeric or value error: hex to raw conversion error , pls help

I am having problem with a sproc which accepts a Raw parameter.
I have a table called Profile:
CREATE TABLE PROFILES
PROFILEID INTEGER NOT NULL,
USERID INTEGER NOT NULL,
PROFILE RAW(255)
and a sproc named addprofile
CREATE OR REPLACE PROCEDURE addprofile
profile IN RAW,
userName IN VARCHAR2
AS
userId INT;
BEGIN
GetUserIdByName( userName, userId);
INSERT INTO Profiles
( ProfileID,userId , profile )
VALUES ( Profiles_ProfileID_SEQ.NEXTVAL,AddProfile.userId ,
AddProfile.profile );
END;
I am calling the Ent Library's Insert profile method which is part of DbProfileProvider.cs (Security App block). It is trying to persist a serialized profile object into the database.
private void InsertProfile(string userName, byte[] serializedProfile,
Data.Database securityDb, IDbTransaction transaction)
DBCommandWrapper cmd = securityDb.GetStoredProcCommandWrapper
(SPAddProfile);
cmd.AddInParameter("userName", DbType.String, userName);
cmd.AddInParameter("profile", DbType.Binary, serializedProfile);
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I get the following error:
Any suggestion on what needs to be changed to get this working? thanks!
Exception Details: Oracle.DataAccess.Client.OracleException: ORA-06502: PL/SQL: numeric or value error: hex to raw conversion error ORA-06512: at line 1
Stack trace:
[OracleException: ORA-06502: PL/SQL: numeric or value error: hex to raw conversion error
ORA-06512: at line 1]
Oracle.DataAccess.Client.OracleException.HandleErrorHelper(Int32 errCode, OracleConnection conn, IntPtr opsErrCtx, OpoSqlValCtx* pOpoSqlValCtx, Object src, String procedure)
Oracle.DataAccess.Client.OracleException.HandleError(Int32 errCode, OracleConnection conn, String procedure, IntPtr opsErrCtx, OpoSqlValCtx* pOpoSqlValCtx, Object src)
Oracle.DataAccess.Client.OracleCommand.ExecuteNonQuery()
Microsoft.Practices.EnterpriseLibrary.Data.Database.DoExecuteNonQuery(DBCommandWrapper command)
Microsoft.Practices.EnterpriseLibrary.Data.Database.ExecuteNonQuery(DBCommandWrapper command, IDbTransaction transaction)
Microsoft.Practices.EnterpriseLibrary.Security.Database.DbProfileProvider.InsertProfile(String userName, Byte[] serializedProfile, Database securityDb, IDbTransaction transaction)
Microsoft.Practices.EnterpriseLibrary.Security.Database.DbProfileProvider.SetProfile(IIdentity identity, Object profile)
[InvalidOperationException: Error saving the profile for the following user 'test'.]
Microsoft.Practices.EnterpriseLibrary.Security.Database.DbProfileProvider.SetProfile(IIdentity identity, Object profile)
EntLibSecuritySample.DFO.Security.SecurityHelper.SetUserProfile(IIdentity identity, Object Profile) in C:\DFO\Sample\Security\EntLibSecuritySample\SecurityHelper.vb:285
[ApplicationException: An error has occurred saving profile object to Datastore. See stack trace for further information]
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EntLibSecuritySample.ProfilePage.cmdSaveProfile_Click(Object sender, EventArgs e) in C:\DFO\Sample\Security\EntLibSecuritySample\profile.aspx.vb:59
System.Web.UI.WebControls.Button.OnClick(EventArgs e)
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Harsh,
I am not a user of the Enterprise Library so I can not speak to the specifics of that. However, here is a short sample that is based on the information you've provided. Perhaps it will be useful.
Database:
create table profiles
profileid integer not null,
userid    integer not null,
profile   raw(255)
create or replace procedure addprofile
p_profileid in integer,
p_userid    in integer,
p_profile   in raw
as
begin
insert into
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end;
/C# code:
using System;
using System.Data;
using System.Text;
using Oracle.DataAccess.Client;
using Oracle.DataAccess.Types;
namespace HarshTest
/// <summary>
/// Summary description for Class1.
/// </summary>
class Class1
    /// <summary>
    /// The main entry point for the application.
    /// </summary>
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      p_userid.OracleDbType = OracleDbType.Int32;
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      p_profile.OracleDbType = OracleDbType.Raw;
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      p_profile.Direction = ParameterDirection.Input;
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      cmd.Parameters.Add(p_profileid);
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      cmd.Parameters.Add(p_profile);
      // execute the stored procedure
      try
        cmd.ExecuteNonQuery();
      catch (OracleException ex)
        Console.WriteLine(ex.Message);
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      p_profile.Dispose();
      p_userid.Dispose();
      p_profileid.Dispose();
      cmd.Dispose();
      con.Dispose();
}Maybe the part about creating the byte array is what you are missing...
- Mark

SqlDeveloper 2.1.1.64: data export of raw column -- unexpected values?

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For the other half of the table instances, the values in the output file are as expected.
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I tried working around this by putting my code into a procedure, and then using the DDL trigger to create a job that runs the code. My idea was to defer the all_tab_columns query until after the DDL trigger was done, and thus get a clean look at the data dictionary.
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From http://download.oracle.com/docs/cd/B19306_01/server.102/b14200/sql_elements001.htm#i54330
>
RAW(size)
Raw binary data of length size bytes. Maximum size is 2000 bytes. You must specify size for a RAW value.
LONG RAW
Raw binary data of variable length up to 2 gigabytes.

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---------- Code: ---------
import java.net.URL;
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use PreparedStatement :
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Raw Values in all_tab_columns (8i)

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