SQL & PL/SQL :: Convert Clob To Varchar Data Type
Aug 16, 2012
I want to convert a clob datatype to varchar data type.I have a clob data type in the below format.
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I want to insert all the values into varchar datatype.provide the sample code how to convert.
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Nov 15, 2007
i am trying insert data from one DB to other DB table. one field data type is LONG in first DB table, Same field data type in other DB is CLOB.
i used TO_LOB function to convert from LONG to CLOB data type.
My problem is, i used this TO_LOB function, i got illegal operation of LONG Data type.
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May 8, 2013
how to convert existing table with varchar column to a clob
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Oct 17, 2011
Is there some functions to convert the long type field data to varchar2 type?
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Dec 5, 2012
I have a table created as below
create table tab123( x clob);
Inserted a row as below
insert into t values ('"<ProcessBatchRequest xmlns:inp1="http://services.abc.com/" ServiceVersionNumber="" xmlns="http://services.abc.com/GlobalBatchServiceV1.0">
<inp1:BatchDetail>
<inp1:ApplicationID>test.123</inp1:ApplicationID>
<inp1:ApplicationBatchID>test.123</inp1:ApplicationBatchID>
<inp1:MessageTimeStamp>2012-11-28T11:05:32.000-05:00</inp1:MessageTimeStamp>
[code]....
Now i want to retrieve the value present under a given xpath.
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Apr 12, 2012
Iam using Oracle client 11g(32 bit) and Oracle database 11g on Unix server.
I have the created the following procedure to load XML file located in TEST_XML oracle directory( which is mapped to
DB/bulk01/REFLIB/REFDV/LOAD_XML) on the server.
Create or replace procedure TEST_LOAD_XML IS
dest_clob clob;
src_clob BFILE := BFILENAME('TEST_XML', 'arenas.xml');
dst_offset NUMBER := 1;
src_offset NUMBER := 1;
lang_ctx number := DBMS_LOB.DEFAULT_LANG_CTX;
warning NUMBER;
[Code]....
when I execute the above procedure I get ORA-22288 file or LOB operation FILEOPEN failed No such file or directory error.
Looks like it did not find my oracle directory 'TEST_XML'
do I have to do anything like mapping? if so since my database is on unix server how do I map?
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May 4, 2011
Some materialized views get status broken on refreshment, but only sometime. When I try to refresh them manually I get following message:
"ORA-01400: cannot insert NULL into...".
But I know for sure that there are no NULL values in the master table, MV and master tables are declared in the same way and all columns in master tables are NOT NULL columns. Another ting is that this error I get only on columns with data type CLOB.
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Feb 14, 2013
Why does oracle not allow the following query
select to_clob(1) from dual
union
select wm_concat(sysdate) from dual;
wm_concat returns a clob. To make both queries in the union have the same type columns i convert the column in the first query to a clob but Oracle gives me an [1]: ORA-00932: inconsistent datatypes: expected - got CLOB error even though both are returning a clob value.
Each of the queries work individually and both return a clob value.
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Jun 13, 2012
I have problem to convert simply varchar to date data type.
For example: 2012-05-28 22:36:08 and I would like to get format 28.5.2012 22:36:08
However I try to do it I get always some errors.
select '2012-05-28 22:36:08',
to_date( '2012-05-28 22:36:08', 'dd.mm.yyyy HH24:MI:SS') ,
to_char('2012-05-28 22:36:08', 'dd.mm.yyyy HH24:MI:SS')
from dual
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Jun 28, 2011
I have a data synch procedure where I am extracting data from an Oracle table and inserting it into a SQL Server table. The Oracle column is VARCHAR2 and the receiving SQL Server column is Binary. I am receiving a conversion error. I have tried HEXTORAW in the Oracle procedure but it does not work. What data type can I use.
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Aug 30, 2012
display or get values stored in a long column.i tried the below code, but myvar is shown as null. am i missing something here or is there a better apporoach than this ?. There are actually 16 rows returned for this query but with empty values for 'high_value' column which is critical for me. How can i do this long to varchar convertion ?
SET SERVEROUTPUT ON
DECLARE
my_var long;
BEGIN
for x in ( SELECT high_value
FROM all_tab_partitions
WHERE table_name = 'SALES_DISCOUNT'
AND table_owner = 'CED12'
ORDER BY partition_position DESC )
[code]....
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Mar 28, 2008
How to convert a varchar2 column to CLOB when there is a thousands of records in it.
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Apr 20, 2009
I would like to know if there is possible to transform a CLOB type variable intro a long type variable. I know, that LONG is obsolete in Oracle, but I need it, because in a PL/SQL 'execute immediate' sentence a CLOB is not allowed.
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Apr 17, 2013
I created a custom type what it has a clob member variable:
CREATE TYPE custom_type AS OBJECT(
c_type INTEGER,
c_number NUMBER(38, 8),
c_varchar2 VARCHAR2(4000 CHAR),
c_clob CLOB,
[code]........
The inserting and updating works with constructor: ... custom_type (to_clob('foo')) . But if the data is longest than 4000 characters then the PHP isn't access to it.
So:
The normal case:
$sql = ("INSERT INTO table ( clob_field ) VALUES ( EMPTY_CLOB() ) RETURNING clob_field INTO :clob");
$stid = oci_parse($conn, $sql);
$clobdescr = oci_new_descriptor($conn, OCI_DTYPE_LOB);
oci_bind_by_name($stid, ':clob', $clobdescr, -1, OCI_B_CLOB);
oci_execute($stid);
$clobdescr->save('more than 4000 chars');
...
This case:
I tried:
$sql = ("INSERT INTO table ( ctype ) VALUES ( custom_type(EMPTY_CLOB()) ) RETURNING ctype.c_clob INTO :clob");
$stid = oci_parse($conn, $sql);
$clobdescr = oci_new_descriptor($conn, OCI_DTYPE_LOB);
oci_bind_by_name($stid, ':clob', $clobdescr, -1, OCI_B_CLOB);
oci_execute($stid);
$clobdescr->save('more than 4000 chars');
ORA says: "ORA-00904: CTYPE.C_CLOB: invalid identifier";
How to?Or how to access with any solution?
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Dec 13, 2010
We are migrating a proc application as described below.
Old Env: UNIX
Old DB: Oracle 8i
New Env: Linux
New DB: Oracle 11g
New modules are successfully compiled in Linux environment. But we are facing issues in writing the output of VARCHAR datatype to a file.
find below the extract of code.
EXEC SQL BEGIN DECLARE SECTION;
varchar mcolmnvarchar[4];
EXEC SQL END DECLARE SECTION;
EXEC SQL DECLARE crs CURSOR FOR
SELECT NVL(colmn,' ') FROM table1
memset(mcolmnvarchar.arr,'�',4); //Was added for only Linux migration. Not present in unix env.
EXEC SQL FETCH c1 INTO :mcolmnvarchar;
cout << "Data at Stage one"<< mcolmnvarchar << endl;
mcolmnvarchar.arr[mcolmnvarchar.len]='�';
cout << "Data at Stage two"<< mcolmnvarchar << endl;
fprintf(fptr,"%-4s",mcolmnvarchar.arr);
Above code works absolutely fine in Unix env with Oracle 8i. But with Linux env & Oracle 11g it is not working. No compilation or run time errors. Data at Stage one prints the output of database properly. But after null terminator code, Data at Stage two statement prints without any value. Value is lost after null terminator code.
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Mar 25, 2010
I have created a object type as
create type emp_obj_dtl as OBJECT (ename varchar2(50),mgr NUMBER)
create type emp_dtl_obj_typ as TABLE of emp_obj_dtl
Using the these object i have created on function as
CREATE OR REPLACE FUNCTION emp_test_func (peno NUMBER)
RETURN emp_dtl_obj_typ
AS
lv_emp_dtl emp_dtl_obj_typ := emp_dtl_obj_typ ();
BEGIN
SELECT emp_dtl_obj_typ(emp_obj_dtl (ename, mgr))
INTO lv_emp_dtl
FROM emp
WHERE empno = peno;
RETURN lv_emp_dtl;
END;
Now if i am executing query as
SELECT empno, emp_test_func (empno) emp_dtls
FROM emp
It is returning me the data as
EMPNO | EMP_DTLS
7500 | (DATASET)
7382 | (DATASET)
7569 | (DATASET)
7800 | (DATASET)
But I want the result set as
EMPNO | ENAME | MGR
7500 | SMITH | 7863
7382 | JAMES | 7896
7569 | KING | 7856
7800 | SANGR | 7456
How to get the resultset as above.
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Oct 5, 2010
i have a table COLOR having alphanumeric fields i.e Color Description & Color Ref. i want to copy the values from Color Description to Color Ref.
what will the select statement for this?
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Aug 16, 2013
I have a table and data like mentioned below.
create table emp( ename varchar2(20));
insert into emp values ('122');
insert into emp values ('abc');
insert into emp values ('0.2');
insert into emp values ('0-5');
insert into emp values ('25-30');
SQL> Select * from emp;
| ENAME |
-------------------
| 122 |
| abc |
| 0.2 |
| 0-5 |
| 25-30 |
I am running the code
SQL>select regexp_substr(ename , '^[[:digit:]]+.[[:digit:]]+$|^[[:digit:]]+$')
from emp;
AFTER RUNNING I AM GETTING THIS
| REGEXP_SUBSTR(ENAME,'^[[:DIGIT:]]+.[[:DIGIT:]]+$|^[[:DIGIT:]]+$') |
---------------------------------------------------------------------
| 122 |
| (null) |
| 0.2 |
| 0-5 |
| 25-30 |
| (null) |
Why it's not excluding '0-5' and '25-30', how I should write code to exclude this and Is there is any function in oracle to check for numeric in column and print.
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Feb 6, 2013
converting BLOB data into varchar2 or long .
we have function which convert long data and return it has varchar . But has part of Apps upgrade the Column has been converted into blob column.
How we need the same function to read the data from BLOB and return its as long or varchar2.
Somewhere i am making mistake..
CREATE OR REPLACE function GDS.test_alert_msg(v_rowid rowid) return varchar2 is
vblob blob;
i2 number;
amt number :=32767;
len number;
pos raw(32767);
position INTEGER := 10000;
my_vr raw(32767);
[Code]....
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Jun 28, 2013
I have a CLOB containing a XML code and all XML tags where created using the DB charset: WE8ISO8859P15.
For example:
{code}
<?xml version="1.0" encoding="ISO-8859-1"?>
<certidao xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<funcionario>
[Code]...
I need to maintain this charset value.
But now I need to convert all my CLOB data into UTF-8 charset for external requirements and stored this new CLOB in a table column.
I can't change the charset of the session. I've tried to use a function
{code}
FUNCTION convert_xml (pcl_xml IN CLOB)
RETURN CLOB
[Code]....
This function apparently works, but when I try to validate the XML content (after I replace the encoding="ISO-8859-1" to encoding="UTF-8") the validation software tells me that I have some characters that should not be present in a file using UTF-8 encoding.
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Sep 28, 2011
I'm writing a PHP page to display some data from an Oracle database. Unfortunately, I can't copy the code because it's proprietary. One of the columns in the db is of type CLOB. I'm having trouble getting the data from the CLOB column.
The way the code is now, is there is a query string read into a variable, and the query string variable is read into a function that then retrieves the data from the db. Once the result set is returned, it is parsed to get data from all of the columns. The issue is that I've never worked with CLOB data before, so I'm having some difficulty extracting the data for that column. I know I can use the DBMS_LOB.READ function, but I'm not sure how to apply it in this case. The following is a generic form of the query string I'm using with b.clob_col being the column I'm having issues with.
$queryString = <<<EOD
SELECT a.col1,
a.col2,
a.col3,
b.col4,
b.col5,
b.clob_col,
from table1 b
inner join b.col4
on blah1
inner join a.col2
on blah2
where blah
and blah
EOD;
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May 20, 2013
We have been recommended to store data in CLOD data type.
Sample data: 1:2:2000000:20000:4455:000099:444:099999:....etc it will grow to a large number.
We want to create a Unique index, for functional reason. Is it advised to create a unique index on a CLOB datatype?
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Apr 12, 2011
I'm trying to write a package which will allow my users to send emails, based on templates, from our system. The email body templates are stored as text in a CLOB column in a EMAIL_TEMPLATES table, along with an email_id. Here's an example:
Quote:Dear [dearname],
I write with regard to your child, [childname] who is attending [schoolname].
Now, I'm trying to write a procedure that will take an email_id and the fields such as dearname, childname, etc., merge the data into the template and return the final body of the email.
The email body will then finally be inserted into a standard HTML email template and be sent using UTL_MAIL.
I was planning on using a series of nested REPLACE functions but I'm sure there must be a tidier way than that. Particularly as I would like the procedure to be as flexible as possible to allow me to easy adapt it to receive additional fields for different email templates in future.
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Aug 29, 2013
Environment:Oracle 11.2.0.3 EE on Solaris.
I am trying to extract XML data stored in a CLOB and produce a flat file for the user's consumption. They have sent me what they think is the XSD for the XML data but when I look at the data in the CLOB I don't see the tags documented in the XSD. I'd like to produce an XSD based on the actual data to compare with what they've sent. Is this possible? I am able to query the XML data using the tags I see in the data using XML Table and it's working fine.
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Oct 7, 2011
I have come one requirement where i need to extract data from a LONG RAW data type column.
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Jan 5, 2012
I want to know whether is it possible to send CLOB data automatically using CDC...i usually have to run a procedure manually to send such data to remote locations.
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Aug 21, 2006
I have to Insert data from one table to another table. First table contains some clob datatype columns and second table have carchar2 datatype.
Below are the structures of both tables;
SQL> DESC TBL_MAINSQL> DESC TBL_MAIN2
Name Type Name Type
----------------------------- ----------------------------------------- --------------
TXT_FEIN_NUMBER VARCHAR2(9) TXT_FEIN_NUMBER VARCHAR2(9)
TXT_QUOTE_NUMBER VARCHAR2(12)TXT_QUOTE_NUMBER VARCHAR2(12)
TXT_POLICY_NUMBER VARCHAR2(12)TXT_POLICY_NUMBER VARCHAR2(12)
TXT_AGENT_CODE VARCHAR2(10)TXT_AGENT_CODE VARCHAR2(10)
[code]....
The Table contains 5000 records. how to convert CLOB to VARCHAR2.
I used DBMS_LOB.SUBSTR but I received BUFFER TO SMALL ERROR.
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May 28, 2010
I need to pass a large data into one of the tables where the column is declared as CLOB before which I was checking with the sample code as below which is throwing an error.
I was trying to insert the CLOB data into the table as below.
create table t1
( x number,
y clob
);
insert into t1(x) values (2)
declare
l_clob t1.y%type;
[code].....
The error I am getting is:
ORA-06502: PL/SQL: numeric or value error: invalid LOB locator specified: ORA-22275
ORA-06512: at "SYS.DBMS_LOB", line 833
ORA-06512: at line 161
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Apr 15, 2010
I have one table with clob field. The data in this field will contain string having transaction record data. Now I want to read data from this clob filed and insert different record in other oracle table.
example ->
Data in clob field will be->
H|12|1233|fff|sss
L|1234|gggg|tttt|yyyyyy|rrrrr
L|1094|gggg|tttt|yyyyyy|rrrrr
L|1344|gggg|tttt|yyyyyy|rrrrr
L|1666|gggg|tttt|yyyyyy|rrrrr
L|188|gggg|tttt|yyyyyy|rrrrr
I have one master table and one detail table. I want to insert record -> H|12|1233|fff|sss in master table
and records->
L|1234|gggg|tttt|yyyyyy|rrrrr
L|1094|gggg|tttt|yyyyyy|rrrrr
L|1344|gggg|tttt|yyyyyy|rrrrr
L|1666|gggg|tttt|yyyyyy|rrrrr
L|188|gggg|tttt|yyyyyy|rrrrr
in detail table.
End of excercise will redult-> 1 record in header and 5 records in detail table.
I need to implement it in my project.
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Sep 11, 2013
I want to print data from a clob in XML format and use the following
PROCEDURE printClobOut(result IN OUT NOCOPY CLOB) is
xmlstr varchar2(32767);
line varchar2(32767);
cnt NUMBER;
[Code]...
However the length of the clob is 13832630 which is too large for a VARCHAR2. Thus my output of line is cut off at 4000 characters. How can i increase this... Do i overlook something here in my code?
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