SQL STATEMENT JDBC

I am trying to modify column size to Access. If str has 23 char and md(from Access with JDBC) has 20 char, then it must change 20 char to 23 char because I want to expand more chars.
if(md.getColumnDisplaySize(j) < Integer.parseInt(str))
st.executeUpdate("alter table IKB modify ( Firstname char (" + str[i] +"))");
I got this:java.sql.SQLException: [Microsoft][ODBC Microsoft Access Driver] Syntax error in ALTER TABLE statement. I mean I checked sql sites to make sure that I am not doing with wrong sql statement. Please Tell me what I did wrong.
Thank you

Hi,
sorry to bother you with a question but you're obviously more advanced than I am with Java.
I'm trying to do a simple insert statement in Java but it doesn't work:
rec2 = st2.executeQuery("INSERT INTO chequetable VALUES ('1', '2', '3', '4', '5', 94, '6', '7', '8', '9');");
my record has 10 fields all being a string except for field 6.
When I run this I get a SQL Error 0 S1000
Have you got an example of a simple SQL insert statement through Java.
Incidentally, I've been playing with Swing quite extensively so if you have any questions on that subject I'd be happy to help.
M.A.D

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    >
    Ameet Deshpande wrote:
    > Dear All,
    >
    > Can any one please help us in using Native SQL statement in a JDBC receiver channel. The reason why I need to use Native SQL statement instead of standard XML structure is that I need to execute a dynamic SQL query in third party database system lke:-
    >
    > "
    > Select Field1 Field2 from TABLE Where Field3 like "%Name'
    > "
    > I expect the the response in the form of XML file which I can pick up using synchornous interface as mentioned on help.sap.com:-
    >
    > http://help.sap.com/saphelp_nw04/helpdata/en/64/ce4e886334ec4ea7c2712e11cc567c/frameset.htm
    > http://help.sap.com/saphelp_nw04/helpdata/en/64/ce4e886334ec4ea7c2712e11cc567c/frameset.htm
    >
    > The value for %Name can change dynamically according to the transaction and hence cannot be inluded as a KEY element in standard XLM structure,
    >
    > Hence I need to know:-
    >
    > 1. What message mapping I should use in case if I have to use Native SQL statement.
    > 2.What operation mapping I should use in case if I have to use Native SQL statement.
    > If guess correclty I may have to use Java mapping to do the above activities. Hence I want to know
    > 3 .How do to go about it to do the Java mapping.
    >
    > Thanks
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    Message was edited by:
            Sudharshan Aravamudan

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