Reconnecting Oracle in the middel of applicaion

I have a query regarding reconnection with oracle server in the middle of running application.
on start up of my aaplication i am connecting with oracle server and its getting connected.
after some time i am removing the network cable in the middle while my application is running.
after few seconds i plgged it again and tried to reconnect oracle server with client where my application is still running
but it is not reconnecting and giving error "ORA- 3114 not connected to oracle" while execuiting a query.
could anyone suggest what may be the cause of the problem and solution.
i am using ODynaset class to access the database from my mfc application.
i am properly closing the database while disconnect happens and again opening database using ODatabase object its opening
successfully but while opening a table through DB class object is failing and giving the ORA - 3114 error.

The three are the same
Reconnecting Oracle in the middel of applicaion
reconnecting oracle database in middle of running application
Reconnecting oracle in the middle of application

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David http://blogs.msdn.com/b/dbrowne/

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Is Oracle Text the right solution for this need of a specific search!

Hi ,
We are on Oracle 11.2.0.2 on Solaris 10. We have the need to be able to do search on data that are having diacritical marks and we should be able to do the serach ignoring this diacritical marks. That is the requirement. Now I got to hear that Oracle Text has a preference called BASIC_LEXER which can bypass the diacritical marks and so solely due to this feature I implemented Oracle Text and just for this diacritical search and no other need.
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NAME VARCHAR2(255 BYTE)
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CREATE INDEX TEXT_TEST_IDX1 ON TEXT_TEST
(NAME)
INDEXTYPE IS CTXSYS.CONTEXT
PARAMETERS('LEXER cust_lexer WORDLIST cust_wl SYNC (ON COMMIT)');
--sample data to illustrate the problem
Insert into TEXT_TEST
   (NAME)
Values
   ('muller');
Insert into TEXT_TEST
   (NAME)
Values
   ('müller');
Insert into TEXT_TEST
   (NAME)
Values
   ('MULLER');
Insert into TEXT_TEST
   (NAME)
Values
   ('MÜLLER');
Insert into TEXT_TEST
   (NAME)
Values
   ('PAUL HERNANDEZ');
Insert into TEXT_TEST
   (NAME)
Values
   ('CHRISTOPHER Phil');
COMMIT;
--Now there is an alternative solution that is there, instead of thee Oracle Text which is just a plain function given below (and it seems to work neat for my simple need of removing diacritical characters effect in search)
--I need to evaluate which is better given my specific needs -the function below or Oracle Text.
CREATE OR REPLACE FUNCTION remove_dia(p_value IN VARCHAR2, p_doUpper IN VARCHAR2 := 'Y')
RETURN VARCHAR2 DETERMINISTIC
IS
OUTPUT_STR VARCHAR2(4000);
begin
IF (p_doUpper = 'Y') THEN
   OUTPUT_STR := UPPER(p_value);
ELSE
   OUTPUT_STR := p_value;
END IF;
OUTPUT_STR := TRANSLATE(OUTPUT_STR,'ÀÁÂÃÄÅÇÈÉÊËÌÍÎÏÑÒÓÔÕÖØÙÚÛÜÝàáâãäåçèéêëìíîïñòóôõöøùúûüýÿ', 'AAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy');
RETURN (OUTPUT_STR);
end;
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--Below query gets me unexpected result of one row as I am using Oracle Text where each word is parsed for search using CONTAINS...
SQL> select * from text_test where contains(name,'P%')>0;
NAME
PAUL HERNANDEZ
CHRISTOPHER Phil
--Below query gets me the right and expected result of one row...
SQL> select * from text_test where name like 'P%';
NAME
PAUL HERNANDEZ
--Below query gets me the right and expected result of one row...
SQL> select * from text_test where remove_dia(name) like remove_dia('P%');
NAME
PAUL HERNANDEZMy entire need was only to be able to do a search that bypasses diacritical characters. To implement Oracle Text for that reason, I am wondering if that was the right choice! More so when I am now finding that the functionality of LIKE is not available in Oracle Text - the Oracle text search are based on tokens or words and they are different from output of the LIKE operator. So may be should I have just used a simple function like below and used that for my purpose instead of using Oracle Text:
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Thanks,
OrauserN

If all you need is LIKE functionality and you do not need any of the complex search capabilities of Oracle Text, then I would not use Oracle Text. I would create a function-based index on your name column that uses your function that removes the diacritical marks, so that your searches will be faster. Please see the demonstration below.
SCOTT@orcl_11gR2> CREATE TABLE TEXT_TEST
2    (NAME VARCHAR2(255 BYTE))
3 /
Table created.
SCOTT@orcl_11gR2> Insert all
2 into TEXT_TEST (NAME) Values ('muller')
3 into TEXT_TEST (NAME) Values ('müller')
4 into TEXT_TEST (NAME) Values ('MULLER')
5 into TEXT_TEST (NAME) Values ('MÜLLER')
6 into TEXT_TEST (NAME) Values ('PAUL HERNANDEZ')
7 into TEXT_TEST (NAME) Values ('CHRISTOPHER Phil')
8 select * from dual
9 /
6 rows created.
SCOTT@orcl_11gR2> CREATE OR REPLACE FUNCTION remove_dia
2    (p_value   IN VARCHAR2,
3      p_doUpper IN VARCHAR2 := 'Y')
4    RETURN VARCHAR2 DETERMINISTIC
5 IS
6    OUTPUT_STR VARCHAR2(4000);
7 begin
8    IF (p_doUpper = 'Y') THEN
9       OUTPUT_STR := UPPER(p_value);
10    ELSE
11       OUTPUT_STR := p_value;
12    END IF;
13    RETURN
14       TRANSLATE
15         (OUTPUT_STR,
16          'ÀÁÂÃÄÅÇÈÉÊËÌÍÎÏÑÒÓÔÕÖØÙÚÛÜÝàáâãäåçèéêëìíîïñòóôõöøùúûüýÿ',
17          'AAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy');
18 end;
19 /
Function created.
SCOTT@orcl_11gR2> show errors
No errors.
SCOTT@orcl_11gR2> CREATE INDEX text_test_remove_dia_name
2 ON text_test (remove_dia (name))
3 /
Index created.
SCOTT@orcl_11gR2> set autotrace on explain
SCOTT@orcl_11gR2> select * from text_test
2 where remove_dia (name) like remove_dia ('mü%')
3 /
NAME
muller
müller
MULLER
MÜLLER
4 rows selected.
Execution Plan
Plan hash value: 3139591283
| Id | Operation                   | Name                      | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT            |                           |     1 | 2131 |     2   (0)| 00:00:01 |
|   1 | TABLE ACCESS BY INDEX ROWID| TEXT_TEST                 |     1 | 2131 |     2   (0)| 00:00:01 |
|* 2 |   INDEX RANGE SCAN          | TEXT_TEST_REMOVE_DIA_NAME |     1 |       |     1   (0)| 00:00:01 |
Predicate Information (identified by operation id):
   2 - access("SCOTT"."REMOVE_DIA"("NAME") LIKE "REMOVE_DIA"('mü%'))
       filter("SCOTT"."REMOVE_DIA"("NAME") LIKE "REMOVE_DIA"('mü%'))
Note
   - dynamic sampling used for this statement (level=2)
SCOTT@orcl_11gR2> select * from text_test
2 where remove_dia (name) like remove_dia ('P%')
3 /
NAME
PAUL HERNANDEZ
1 row selected.
Execution Plan
Plan hash value: 3139591283
| Id | Operation                   | Name                      | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT            |                           |     1 | 2131 |     2   (0)| 00:00:01 |
|   1 | TABLE ACCESS BY INDEX ROWID| TEXT_TEST                 |     1 | 2131 |     2   (0)| 00:00:01 |
|* 2 |   INDEX RANGE SCAN          | TEXT_TEST_REMOVE_DIA_NAME |     1 |       |     1   (0)| 00:00:01 |
Predicate Information (identified by operation id):
   2 - access("SCOTT"."REMOVE_DIA"("NAME") LIKE "REMOVE_DIA"('P%'))
       filter("SCOTT"."REMOVE_DIA"("NAME") LIKE "REMOVE_DIA"('P%'))
Note
   - dynamic sampling used for this statement (level=2)
SCOTT@orcl_11gR2>

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Hi All,
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For User managed hot database refreshes.
We create a new controlfile and do cancel based recovery.
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Hi,
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sqlplus sys as sysdba
password:<ur password>
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Under Concureent Processes
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Hi,
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Hi all,
Does someone have first hand experience using
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I am primarily interested in understanding its reliability, usability and general industry acceptance.
thx
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Basically, everytime I open my laptop after and it wakes up and try to connect to the network drive, I get the error
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I need to stay disconnecting all drives and reconnecting them. WHen I restart my PC the network drives restore perfectly. I don't understand why it doesnt work on wake.
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It seems that when a machine goes into sleep, the network connection is disconnected, naturally, but the machine still has the connection mapped. If you run the 'net use' you will see the connection. When you try to reconnect it, it sees the
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You might want to consider creating your own learning environment.
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Reconnecting Oracle in the middel of applicaion

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