Inserting duplicate values into mysql

I'm inserting rows of data into a mysql database
using the mysql "ON DUPLICATE KEY UPDATE" syntax. I
need to perform additional functions if a duplicate
is found. How can I know that a duplicate update has
been done?
set = ("insert into db values" +
"('"+val1+"','"+val2+"','"+val3+"') ON DUPLICATE KEY
UPDATE dup =" + "'"+var+"'");
statement.executeUpdate( set );you can check before inserting/updating if the record exists for instance... or even manage it all in your code (remove the "ON DUPLICATE..." and manage duplicates in your data access code)

Similar Messages

How to eliminate inserting Duplicate rows into database using JDBC Adapter

File->Xi->JDBC
In above Scenario if the file has two rows their values are identical, then how can we eliminated inserting Duplicate rows into database using JDBC Adapter

Database is a consumer of a SERVICE (SOA!!!!!!).
Database plays a business system role here!!!!
Mapping is part of an ESB service
Adaptor is a technology adapted to ESB framework to support specific protocol.
ESB accomplish ESB duties such as transformation, translation, routing. Routing use a protocol accepted by the consumer. In a JDBC consumer it is JDBC protocol and hence it a JDBC adaptor.
There is clear separation on responsibilities among business system and ESB. ESB do not participate in business decision or try to get into business system data layer.
So who ever are asking people to check duplicate check as part of mapping (an ESB service) may not understand integration practice.
Please use an adaptor module which will execute the duplicate check with business system in a plug and play approach and separate that from ESB service so that people can build integration using AGILE approach.
Thanks

Insert multiple choices into mysql field

I have a form that inserts a record into mysql. it's working
fine except when i changed the pull-down menu to a list allowing
multiple selections, it only inserts the last item selected. I know
it should insert the valuse as comma separated. Here's the php:
GetSQLValueString($_POST['not_reen_list'], "text"),
and the HTML:
<select name="not_reen_list" size="10" multiple="multiple"
id="not_reen_list">
<option value="Nothing selected"
selected="selected">Please select one</option><option
value="Cost">Cost</option>
<option value="School could not meet our financial aid
needs"> School could not meet our financial aid needs
</option>
<option value="Prefer another school">Prefer another
school </option>
</select>
Any help is appreciated.

awsweb wrote:
> I have a form that inserts a record into mysql. it's
working fine except when i
> changed the pull-down menu to a list allowing multiple
selections, it only
> inserts the last item selected.
That's because you're not sending the form data as an array.
Change this:
<select name="not_reen_list"
to this:
<select name="not_reen_list[]"
At the top of the PHP script, convert the array to a
comma-separated
string by adding this:
if (isset($_POST['not_reen_list'])) {
$_POST['not_reen_list'] = implode(',',
$_POST['not_reen_list']);
I know it should insert the valuse as comma
> separated. Here's the php:
> GetSQLValueString($_POST['not_reen_list'], "text"),
> and the HTML:
> <select name="not_reen_list" size="10"
multiple="multiple" id="not_reen_list">
> <option value="Nothing selected"
selected="selected">Please select
> one</option><option
value="Cost">Cost</option>
> <option value="School could not meet our financial
aid needs"> School
> could not meet our financial aid needs </option>
> <option value="Prefer another school">Prefer
another school </option>
> </select>
> Any help is appreciated.
>
David Powers, Adobe Community Expert
Author, "The Essential Guide to Dreamweaver CS3" (friends of
ED)
Author, "PHP Solutions" (friends of ED)
http://foundationphp.com/

How to insert column values into database as rows

Hi,
I have 8 columns and some not null columns. Based on not null columns I want to insert into table as rows. The 8 columns may contain values or no value. If the first column contains data, then I have to insert into one row. if the second column contains data I have to insert a row and in second column. respectively...So How can I insert column values into rows. Can I write 8 insert statements. (OR) is it possible to insert data from columns using where clause.
Please help me out....
Thanks in Advance

Lines Table:
line_id, orcl_bank_account_num, product_type, service_type, lease_type,
funding_type, cpi, billing_frequency_unit_cd , annual_due_date ,
pricing_start_date, pricing_end_date, install_date, contract_end_date ,
prdct_replacement_cost_amt, cradle_replacement_amt, supranet_contract,
issuance_fee, board_inactive_date, header_id, creation_date, last_modified_date,
created_by_nam, modified_by_nam, activeinactive_flg, prdct_bill_amt_yr1,
prdct_bill_amt_yr2, prdct_bill_amt_yr3, prdct_bill_amt_yr4, prdct_bill_amt_yr5,
prdct_bill_amt_yr6, prdct_bill_amt_yr7, prdct_bill_amt_yr8, activation_fee_yr1,
activation_fee_yr2, activation_fee_yr3, activation_fee_yr4, activation_fee_yr5,
activation_fee_yr6, activation_fee_yr7, activation_fee_yr8,
In this table the columns structure is :
-- PRDCT_BILL_AMT_YR (1 to 8) NUMBER(14,4)
-- ACTIVATION_FEE_YR (1 to 8) NUMBER(8,2)
I have one more table:
PRDCT_INS_AMT NUMBER(14,4)
ACTIVATION_FEE_AMT NUMBER(14,4)
I want to insert prdct_bill_amt_yr (1 to 8) columns data into PRDCT_INS_AMT column. similarly activation_fee (1 to 8) columns data.
But the data should be inserted based product_type, service_type, lease_type columns values. (These 3 columns may contain upto 45 combinations).

Inserting a Value into otherTable using an App. Proc. from a Date Picker

I'm trying to call an Application Process that will insert an Attribute of a Row, into another table, after selecting a date from a Date Picker cell.
I don't know why this shouldn't be possible. I think I've got all of my "Ducks in a Row", so to speak,
but the Value that is being inserted into the other table is this:.. [object HTMLTableCellElement]
(Ultimately, I'd like my Application Process to include Page element values with the insert as well, but I'm trying to handle one problem at a time)
Here's a list of all the steps I've covered:
1. I've Created an Application Process, (popDevices). The Process Point is "On-Demand". The Type is "PL/SQL Anonymous Block".
The Process is defined as such:
BEGIN
Insert into P_DEVICES
NAME,
IP_ADDRESS,
MODEL
) values
'Unassigned',
'Unassigned',
:P153_MODEL
COMMIT;
END;
2. I've Included the Javascript in the Page HTML Header.
The Javascript is written as such: (minus the tags)
function popDevices(PART_NO)
var get = new htmldb_Get(null,$x('pFlowId').value,'APPLICATION_PROCESS=popDevices',0);
get.add('P153_MODEL',PART_NO);
gReturn = get.get();
get = null;
3. I've included the following in the "Element Attributes" field of the Date-Picker Item (Date_Delivered).
The Region Type is "SQL Query (Updatable Report)"
onChange="javascript:popDevices(PART_NO);"
THE RESULTS
A. A row does get inserted into the other (P_Devices) table,
But the value of the Attribute from the Page Region is not valid.
The Inserted value is this: [object HTMLTableCellElement]
B. I have tried Every conceivable combination of characters in the "Element Attributes" field, such as:
...(PART_NO), (#PART_NO#), (||PART_NO||), (+PART_NO+)
C. The Javascript in the Page HTML Header appears to be correct, since I have written it this same way for other applications without any problems.
D. If this simply cannot be done by referencing the "onChange" Javascript from the "Element Attributes" field,
Then can you help me to write the code into the Select statement of the region.
Thanks for any help you can give me.
-Gary

This may not be the most direct approach to the solution. But, none the less, it is a solution.
For those other novices, like myself, I hope this can be useful at some point in your development:
MY DESIRED RESULT:
A. To Insert into another tablle values derived from both; Page Item (i.e. P153_x) and Attributes of a Row in an Updatable Report from which I have selected the Date-Picker.
B. I want the insert to occur automatically after the user Selects the date from the Date-Picker.
SOLUTIONS:
1. I usea Javascript prompt window to prompt for information and store the information in Pre-Created Page Items.
This is the Javascript as I've entered it into the Page HTML Header region: (Minus the Tags)
function received_javaprompt () {
var Serial_Number = prompt("Enter the Serial Number");
var Bldg_Id = prompt("Enter the Bldg_Id");
var Clst_Id = prompt("Enter the Clst_Id");
$x('P153_SERIAL_NO').value = Serial_Number;
$x('P153_BLDG_ID').value = Bldg_Id;
$x('P153_CLST_ID').value = Clst_Id;
2. I needed to identify the (Manufacturer and Part_No) Column Attribute in the Row from which I selected the Date-Picker.
A. To do this, I enumerated the Columns in the order they were listed in the Select Statement of the region (Click on the Region Definition Tab).
B. Then (Click on the Report Attributes Tab). Count, In the numerical order which these columns are selected, ONLY the columns that are Editable.
C. When I counted down as far as the Column I wanted to capture the value of, Then I made a mental note of that number and used it in the following (2) Javascripts (findMaker and findModel).
3. findMaker (Minus the tags)
function findMaker (pThis) {
var vRow = pThis.id.substr(pThis.id.indexOf('_')+1);
var Maker = html_GetElement('f15_'+vRow).value
$x('P153_MAKER').value = Maker;
4. findModel (Minus the tags)
function findModel (pThis) {
var vRow = pThis.id.substr(pThis.id.indexOf('_')+1);
var Model = html_GetElement('f16_'+vRow).value
$x('P153_MODEL').value = Model;
5. I added one more Javascript, to the Page HTML Header, that references the Application Process which will Insert the values into the "Other" table:
function popDevices(P153_SERIAL_NO,P153_BLDG_ID,P153_CLST_ID,P153_MAKER,P153_MODEL)
var get = new htmldb_Get(null,$x('pFlowId').value,'APPLICATION_PROCESS=popDevices',0);
get.add('P153_SERIAL_NO',P153_SERIAL_NO);
get.add('P153_BLDG_ID',P153_BLDG_ID);
get.add('P153_CLST_ID',P153_CLST_ID);
get.add('P153_MAKER',P153_MAKER);
get.add('P153_MODEL',P153_MODEL);
gReturn = get.get();
get = null;
6. I added the "onChange" process to the Element Attributes field of the Table item which utilizes the Date-Picker:
A. Click on the Report Attributes Tab of the Region.
B. Click on the Edit icon of the column which utilized the Date-Picker
C. I added this "onChange" reference to the Element Attributes field, which is found in the Tabular Form section.
onChange="javascript:received_javaprompt();findModel(this);findMaker(this);popDevices((P153_SERIAL_NO).value,(P153_BLDG_ID).value,(P153_CLST_ID).value,(P153_MAKER).value,(P153_MODEL).value);"
7. The Application Process which inserts the collected data into the table is as follows:
(Name= popDevices: Process Point= On-Demand: Type= PL/SQL Anonymous Block)
BEGIN
Insert into P_DEVICES
BLDG_ID,
CLST_ID,
NAME,
IP_ADDRESS,
SERIAL_NO,
MAKER,
MODEL
) values
:P153_BLDG_ID,
:P153_CLST_ID,
'Unassigned',
'Unassigned',
:P153_SERIAL_NO,
:P153_MAKER,
:P153_MODEL
COMMIT;
END;
Well, I hope this may help someone else like me.
I usually arrive at my solutions by getting help here on the Discussion Forum and also Google. Google inevitably points me to a previous Apex Discussion Forum session.
Edited by: garyNboston on Mar 15, 2010 10:55 AM

Inserting duplicate values when only MANDT is primary key

Hello experts,
I have 4 fields in my UDT(user defined table) namely MANDT, ZEVENT, ZRECIPIENT and ZEMAIL.
Now, Only MANDT is the primary key. My question is, how can I insert duplicate values
via SM30?
Again, thank you guys and take care!

Hi again,
1. open the Layout of that screen
2. using drag&drop
   just REMOVE the field from the table control.
3. Also
4. In the flow logic of that screen,
   remove the line / commen it
   which has been put in CHAIN
for eg.
   FIELD YHRT_FUNMST-FUNSORT .
5. Activate everything
6. try again via sm30 in new session.
7. NOW IT WILL WORK. I JUST TRIED IT.
regards,
amit m.

Insert a value into bol attribut

Hiii,
I will insert a value into a bol attribut with the method "SET_PROPERTY".
Here is my code so far.
lr_entity ?= me->typed_context->builheader->collection_wrapper->get_current( ).
if lr_entity is bound.
      lr_entity->set_property( EXPORTING
                               iv_attr_name = 'TITLE_KEY'
                               iv_value = '0100'
endif.
The problem here is, I can the in the debug mode, that the value is inserted.
But by running the debug mode again, the value of the attribut 'TITLE_KEY' is empty.
My question here is, how can I save the value of attribut?
Can anybody help me please?
regards,
John

Hallo Ashish,
I already tried to do this with
DATA lr_core TYPE REF TO cl_crm_bol_core.
lr_core = cl_crm_bol_core=>get_instance( ).
lr_core->modify( ).
It is also interessting that, after
lr_core->modify( ).
I cann't look into the bol entity builheader during debugging.
Durring debugging, ATTRIBUTE_REF(Container Proxy->DATA REF-> ATTR_REF)
Do you have any other idea?
reagards,
John

How to insert an image into mysql

welcome to all,
can any one tell how to insert an image into mysql database(BLOB). it is urgent.
regards

welcome to all,
can any one tell how to insert an image into mysql database(BLOB). it is urgent.
regards

Inserting duplicate values

I'm very new to Forms..
I've a table VIK_SAM with two columns : Id and Name
I'm creating a layout with two text fields(to enter Id and Name) and a submit button.
When I run the form, enter the values and click on submit button, duplicate values are inserted in the the table. like below
Id Name
20 abc
20 abc
How can I make sure only one record is being inserted. This is the code I had written in the WHEN BUTTON PRESSED Trigger..
begin
     insert into vik_sam (id, name)
     values (:vik_sam.id, :vik_sam.name);
     commit;
end;
P.S.. This is not an assignment. I'm done with my current project and I'm on bench right now. So trying to learn this tool. :)

The fact that you're doing a sql insert suggests to me that your block is not based on a database table. If that is true then try the following:
begin
insert into vik_sam (id, name)
values (:vik_sam.id, :vik_sam.name);
commit;
exception
when dup_val_on_index then
    message('A record already exists with that Id.');
    message('A record already exists with that Id.');
    raise form_trigger_failure;
end;Alternatively, you could use a merge command to update the name if the ID already exists.

Inserting user variables into MYSQL database using servlet

I have a servlet that recieves user entered parameters from an html form and inserts them into a user table in MYSQL, or at least is supposed to. I can get it to update the table with specific values but not with the user variables. I know the single quote marks are for inserting specific values but without them it doesn't properly work.
The parameters are parsed correctly into the variables, so I just can't figure out how to ge tthe variables into the database. Any help would be wonderful
register.html:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE>Register</TITLE>
</HEAD>
<BODY BGCOLOR="#FDF5E6">
<CENTER><IMG SRC="dvdti.jpg" ALIGN=middle >   </CENTER>
<HR>
<H1 ALIGN="CENTER">Please enter your registration details:</H1>
<FORM ACTION="http://localhost:8080/examples/servlet/Assignment1.register">
<BR>First Name: <input type="text" NAME="Ufirst_name"><BR>
<BR>Last Name: <input TYPE="TEXT" NAME="Ulast_name"><BR>
<BR>Address: <INPUT TYPE="text" name="Uaddress"><BR>
<BR>E-mail:     <INPUT TYPE="TEXT" NAME="Uemail"><BR
<BR>Password: <INPUT TYPE="password" NAME="Upassword"><BR>
<CENTER>
    <INPUT TYPE="SUBMIT" VALUE="Register">
</CENTER>
</FORM>
</BODY>
</HTML>
register.java:
package Assignment1;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;
// Connects to a database to retrieve music data
public class register extends HttpServlet {
public void doGet(HttpServletRequest request,
                    HttpServletResponse response)
      throws ServletException, IOException {
    response.setContentType("text/html");
    PrintWriter out = response.getWriter();
// Database connection code starts here
     Connection conn = null;
     // loading jdbc driver for mysql (help in mysql.jar file in classpath)
     try{
         Class.forName("com.mysql.jdbc.Driver").newInstance();
     } catch(Exception e) {
         System.out.println(e);
     // connecting to database
     try{
          // connection string for demos database, username demos, password demo-pass
         conn = DriverManager.getConnection
        ("jdbc:mysql://mudfoot.doc.stu.mmu.ac.uk:3306/roddiea?user=roddiea&password=");
          System.out.println("Connection to database successful.");
       catch(SQLException se) {
         System.out.println(se);
// Create select statement and execute it
try        { Statement stmt2 = conn.createStatement();
          // Get the regdetails from the reg form
           String Ufirst_name = request.getParameter("Ufirst_name");
           String Ulast_name = request.getParameter("Ulast_name");
           String Uaddress = request.getParameter("Uaddress");
           String Uemail = request.getParameter("Uemail");
              String Upassword = request.getParameter("Upassword");
          stmt2.executeUpdate("INSERT INTO customer(first_name, last_name, address, email, password)" + "VALUES('Ufirst_name', 'Ulast_name', 'Uaddress', 'Uemail', 'Upassword')");
          System.out.println (stmt2);
          out.println(stmt2);
          out.println(Ufirst_name + Ulast_name + Uaddress + Uemail + Upassword);
    // close the html
    out.println("</BODY></HTML>");
          stmt2.close();
         conn.close();
     }catch(SQLException se) {
         System.out.println(se);
}Message was edited by:
Altered_Carbon
Message was edited by:
Altered_Carbon
I also realise that this is a more MYSQL titled problem, but those forums look rubbish <_<

Investigate PreparedStatement.
Currently you're trying to insert a value "Ufirst_name" instead of the value of the variable called Ufirst_name.
It's possible to do this (you could do something like this: "... '" + UfirstName + "' ...") but DEFINITELLY NOT RECOMMENDED. Instead use a prepared statement.
D.

Dynamically insert the values in mysql

hi am using flex with java i want to insert the text field values dynamically into mysql database
plz can anyone let me know how to do this
thanks in advance
sonu

Hi,
Pass the information from flex to java using httpService or using data Services and from there insert to DataBase.
http://coenraets.org/testdrive/flex4j/index.htm

How to insert parameter value into multiple columns and rows

Hi All,
I have one procedure insert_tab and I am passing
100~101~102:103~104~105:106~107~108 as a parameter to that procedure. I wanted to insert each numeric value into one column. The output of the table should contain
Table:
Col1 Col2 Col3
100 101 102
103 104 105
106 107 108
Awaiting for your reply..

That's not more clear for me...
Anyway, if you really want a procedure for that, try :
SQL> create table tblstr (col1 number,col2 number,col3 number);
Table created.
SQL>
SQL> create or replace procedure insert_fct (p_string IN varchar2)
2 as
3 v_string     varchar2(4000):=p_string||':';
4 v_substring varchar2(4000);
5
6 begin
7      while instr(v_string,':') > 0 loop
8            v_substring := substr(v_string,1,instr(v_string,':')-1)||'~';
9            insert into tblstr(col1,col2,col3)
10            values (substr(v_substring,1,instr(v_substring,'~',1,1)-1),
11                    substr(v_substring,instr(v_substring,'~',1,1)+1,instr(v_substring,'~',1,2)-instr(v_substring,'~',1,1)-1),
12                    substr(v_substring,instr(v_substring,'~',1,2)+1,instr(v_substring,'~',1,3)-instr(v_substring,'~',1,2)-1));
13            v_string:=substr(v_string,instr(v_string,':')+1);
14      end loop;
15 end;
16 /
Procedure created.
SQL>
SQL> show err
No errors.
SQL>
SQL> select * from tblstr;
no rows selected
SQL> exec insert_fct('100~101~102:103~104~105:106~107~108')
PL/SQL procedure successfully completed.
SQL> select * from tblstr;
      COL1       COL2       COL3
       100        101        102
       103        104        105
       106        107        108
SQL> exec insert_fct('109~~')
PL/SQL procedure successfully completed.
SQL> exec insert_fct('~110~')
PL/SQL procedure successfully completed.
SQL> exec insert_fct('~~111')
PL/SQL procedure successfully completed.
SQL> select * from tblstr;
      COL1       COL2       COL3
       100        101        102
       103        104        105
       106        107        108
       109
                  110
                             111
6 rows selected.
SQL> Nicolas.

How do I insert multiple values into different fields in a stored procedure

I am writing a Stored Procedure where I select data from various queries, insert the results into a variable and then I insert the variables into final target table. This works fine when the queries return only one row. However I have some queries that return multiple rows and I am trying to insert them into different fields in the target table. My query is like
SELECT DESCRIPTION, SUM(AMOUNT)
INTO v_description, v_amount
FROM SOURCE_TABLE
GROUP BY DESCRIPTION;
This returns values like
Value A , 100
Value B, 200
Value C, 300
The Target Table has fields for each of the above types e.g.
VALUE_A, VALUE_B, VALUE_C
I am inserting the data from a query like
INSERT INTO TARGET_TABLE (VALUE_A, VALUE_B, VALUE_C)
VALUES (...)
How do I split out the values returned by the first query to insert into the Insert Statement? Or do I need to split the data in the statement that inserts into the variables?
Thanks
GB

"Some of the amounts returned are negative so the MAX in the select statement returns 0 instead of the negative value. If I use MIN instead of MAX it returns the correct negative value. However I might not know when the amount is going to be positive or negative. Do you have any suggestions on how I can resolve this?"
Perhaps something like this could be done in combination with the pivot queries above, although it seems cumbersome.
SQL> with data as (
2        select 0 a, 0 b, 0 c from dual   -- So column a has values {0, 1, 4},
3 union select 1 a, 2 b, -3 c from dual   --    column b has values {0, 2, 5},
4 union select 4 a, 5 b, -6 c from dual ) --    column c has values {0, -3, -6}.
5 --
6 select ( case when max.a > 0 then max.a else min.a end) abs_max_a
7 ,       ( case when max.b > 0 then max.b else min.b end) abs_max_b
8 ,       ( case when max.c > 0 then max.c else min.c end) abs_max_c
9 from    ( select ( select max(a) from data ) a
10            ,       ( select max(b) from data ) b
11            ,       ( select max(c) from data ) c
12            from      dual ) max
13 ,       ( select ( select min(a) from data ) a
14            ,       ( select min(b) from data ) b
15            ,       ( select min(c) from data ) c
16            from      dual ) min
17 /
ABS_MAX_A ABS_MAX_B ABS_MAX_C
         4          5         -6
SQL>

Insert float value into ms sql server

Hi.
How do I insert a float value into my ms sql db.
The Code:
select.setFloat( 4, theForm.getVaerdi() );ERROR:
"MakeClapetInsertAction.java": Error #: 300 : method setFloat(int, java.lang.Float) not found in interface java.sql.PreparedStatement at line 89, column 12

setFloat takes a float primitive, not a Float object.
select.setFloat( 4, theForm.getVaerdi().floatValue() );

Reading BFile datatype value to insert corresponding value into blob

Hi,
I have oracle 10.2.0 database.
I have this table with 3 columns of datatypes
TableA(id, Blob, BFile)
now i have pdf files stored in a directory for every id which ranges from 1 till 100.
for example for id=10, the pdf file name is cr10.pdf
except that for some id there is no correpsonding pdf's.
and i have a written a query where for a particular id, i link the corresponding pdf into the BFile. now is there a way where i can view the value of the bfile locator and find whether the bfile is null or not(i mean whether there is a pdf or not existing for that particular id)
what i need to do is, based on the bfile value i will insert the pdf into the blob column.
so based on the bfile value(ie whethe rthe pdf exisit or not) i will open the pdf and read the contents into the blob column.
and somehow i have figure out that a pdf is not exisiting based on the bfile value and then insert a null into the blob column instead of getting an error by trying to read a pdf which doesn't exist.
Can someone help me, how to find out existance of a file based on bfile value and insert value into blob.
I want this is script to be automated instead of checking manually a file exists or not.
Thanks,
Philip.

Hi,
I have oracle 10.2.0 database.
I have this table with 3 columns of datatypes
TableA(id, Blob, BFile)
now i have pdf files stored in a directory for every id which ranges from 1 till 100.
for example for id=10, the pdf file name is cr10.pdf
except that for some id there is no correpsonding pdf's.
and i have a written a query where for a particular id, i link the corresponding pdf into the BFile. now is there a way where i can view the value of the bfile locator and find whether the bfile is null or not(i mean whether there is a pdf or not existing for that particular id)
what i need to do is, based on the bfile value i will insert the pdf into the blob column.
so based on the bfile value(ie whethe rthe pdf exisit or not) i will open the pdf and read the contents into the blob column.
and somehow i have figure out that a pdf is not exisiting based on the bfile value and then insert a null into the blob column instead of getting an error by trying to read a pdf which doesn't exist.
Can someone help me, how to find out existance of a file based on bfile value and insert value into blob.
I want this is script to be automated instead of checking manually a file exists or not.
Thanks,
Philip.

Inserting duplicate values into mysql

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