Problem in inserting to MS Access using prepared statement
I am inserting a record in MS Access db and I am using prepared statement. I am encountering an error.... any help I would really appreciate it. So much time figuring out what the problem is....
ConvertText contxt = new ConvertText();
String bday = (String)cbYear.getSelectedItem() +
cbMonth.getItemCount()+(String)cbDay.getSelectedItem();
try{
// load MySQL driver
Class.forName(driver);
// Setup connection to DBMS
Connection conn = DriverManager.getConnection(url);
// Create statement
Statement stmt = conn.createStatement();
PreparedStatement insertPersons = conn.prepareStatement(
"INSERT INTO PERSONS VALUES(" +
"FIRST_NAME = ?," +
"LAST_NAME = ?," +
"MIDDLE_NAME = ?," +
"NICKNAME = ?," +
"GENDER = ?," +
"MARITALSTATUS = ?," +
"AGE = ?," +
"BIRTHDATE = ?," +
"ADDRESS = ?," +
"RES_PHONE_NUMBER = ?," +
"OFFICE_PHONE_NUMBER = ?," +
"CELL_NUMBER = ?," +
"COMPANY_NAME = ?," +
"EMAIL_ADDRESS = ?," +
"TIMESTAMP = ?)"
insertPersons.setString (1, tfFirstName.getText());
insertPersons.setString (2, tfLastName.getText());
insertPersons.setString (3, tfMiddleName.getText());
insertPersons.setString (4, tfNickName.getText());
insertPersons.setString (5, (String)cbGender.getSelectedItem());
insertPersons.setString (6, (String)cbMaritalStatus.getSelectedItem());
insertPersons.setInt (7, contxt.formatStringToInt(tfAge.getText()));
insertPersons.setDate (8, contxt.formatStringToSQLDate(bday));
insertPersons.setString (9, tfAddress.getText());
insertPersons.setString (10,tfResPhoneNumber.getText());
insertPersons.setString (11,tfOffPhoneNumber.getText());
insertPersons.setString (12,tfCellNumber.getText());
insertPersons.setString (13,tfCompanyName.getText());
insertPersons.setString (14,tfEmailAddress.getText());
insertPersons.setTimestamp(15, new Timestamp(System.currentTimeMillis()));
insertPersons.executeUpdate();
conn.close();
JOptionPane.showMessageDialog(null,"Record Inserted!", "INSERT",
JOptionPane.INFORMATION_MESSAGE);
}catch (SQLException ex){
System.err.println("==> SQLException: ");
System.out.println("Message: SQL Exception");
System.out.println("Message: " + ex.getMessage ());
System.out.println("SQLState: " + ex.getSQLState ());
System.out.println("ErrorCode: " + ex.getErrorCode ());
JOptionPane.showMessageDialog(null, ex.getMessage() + ex.toString(),"Error", JOptionPane.INFORMATION_MESSAGE);
}catch(Exception ex){
} ERROR Displayed:
[Microsoft][ODBC Microsoft Access Driver] Too few parameters. Expected 30. java.sql.SQLException
Hi cruzdhel,
Your SQL looks incorrect to me.
I am not familiar with that syntax.
I think it should be like this:
PreparedStatement insertPersons =
conn.prepareStatement("INSERT INTO PERSONS (FIRST_NAME," +
"LAST_NAME," +
"MIDDLE_NAME," +
"NICKNAME," +
"GENDER," +
"MARITALSTATUS," +
"AGE," +
"BIRTHDATE," +
"ADDRESS," +
"RES_PHONE_NUMBER," +
"OFFICE_PHONE_NUMBER," +
"CELL_NUMBER," +
"COMPANY_NAME," +
"EMAIL_ADDRESS," +
"TIMESTAMP)" +
"values (?," +
"?," +
"?," +
"?," +
"?," +
"?," +
"?," +
"?," +
"?," +
"?," +
"?," +
"?," +
"?," +
"?," +
"?)");Hope this helps.
Good Luck,
Avi.
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" or (lt1.xref1_ind in ('O') "+
" and (lt1.xref1_lt_id = lt.lt_id or lt1.xref2_lt_id = lt.lt_id) "+
" and ((? = 'E' and (lt1.print_xref1_ent_addr_ind <> 'N' "+
" or (lt1.print_xref1_lic_addr_ind <> 'N' and lic.addr1 is null))) "+
" or (? = 'L' and lt1.print_xref1_lic_addr_ind <> 'N'))))) "+
" order by 6 desc, 7 asc ";
try
con = getDSconn();
// stmt = con.createStatement();
pstmt=con.prepareStatement(strQuery);
// rs = stmt.executeQuery(strQuery);
pstmt.setString(1,strAddrtype);
pstmt.setString(2,strEntId);
pstmt.setString(3,strLicId);
pstmt.setString(4,strAddrtype);
pstmt.setString(5,strAddrtype);
pstmt.setString(6,strEntId);
pstmt.setString(7,strLicId);
pstmt.setString(8,strAddrtype);
pstmt.setString(9,strAddrtype);
pstmt.setString(10,strAddrtype);
pstmt.setString(11,strAddrtype);
pstmt.setString(12,strAddrtype);
pstmt.setString(13,strAddrtype);
rs=pstmt.executeQuery();
while (rs.next())
LicenseeForm licenseInfo = new LicenseeForm();
licenseInfo.setLicId(rs.getString(1));
licenseInfo.setLicNo(rs.getString(2));
licenseInfo.setLicType(rs.getString(3));
//licenseInfo.setBoard(rs.getString(4));
licenseInfo.setRenewStatus(rs.getString(4));
alMasterLicList.add(licenseInfo);
rs.close();
pstmt.close();
con.close();
con = null;
catch (RuntimeException re)
throw re;
catch(Exception e)
{ e.printStackTrace();
try
rs.close();
pstmt.close();
con.close();
con = null;
catch(Exception i){}
finally
try
pstmt.close();
con.close();
con = null;
catch(Exception i){}
return alMasterLicList;
-
When to use prepared statement in java?
Hi all,
If we have query like select * from {tablename} (Here tablename is the variable) then will the use of prepared staement improve the performance? My guess is use of statement in this case is a better option rather than prepared statement as the tablename may change for every other query.I think are not useful if tablename changes.They are useful only when the where clause has dynamic values.cantor wrote:
Are you sure that your approach is possible? The next example causes exception for me.
PreparedStatement ps = conn.prepareStatement("select * from ?");
ps.setString(1, "TABLE_NAME");
ps.executeQuery();
I didn't say that he should solve it in that way. He should create one prepared statement like this "select a, b, c from tablename1" and another prepared statement when he wants to execute "select d, e, f from tablename2"
>
And as I understand, this code will not improve perfomance (and even will not work). As I said it can.
Prepared statements make possible usage compiled queries inside DB. When DB gets prepared statement call, it need to parse it only once. And it can collect some statistic to improve execution plan. But when table name is not specified, this approach will not work.Yes it might. There are database drivers that can cache prepared statements and it's isn't likely that he executes that query on more than e.g. 20 tables?
The database can also cache compiled statements in a cache.
Kaj -
Does a Database Control use Prepared Statements?
When I add a method to a database control I have to supply the SQL for that method. Under the covers does the database control convert that SQL into a prepared statement? Is this documented anywhere?
Thanks for the help!
RobRob,
it seems not be documented, but the Database Control always uses a PreparedStatement internally.
-Kai -
hi guys, kinda need help in understanding the prepared statement. the code below is my example on how to get a date based on a serial number. how do i get the right expiry date? i do not know whether the code is right or wrong.
String reqSerial = request.getParameter("serial_no");
PreparedStatement psGetExpiry =
con.prepareStatement("SELECT expiry_date from identity WHERE serial_no=?");
ResultSet rsGetExpiry = null;
psGetExpiry.setString(1, reqSerial); //shouldn't here be setDate instead of setString
//cause what i want is the expiry date
rsGetExpiry = psGetExpiry.executeQuery();thx in advance
lost,
hayatiString reqSerial = request.getParameter("serial_no");
PreparedStatement psGetExpiry =
con.prepareStatement("SELECT expiry_date from identity WHERE serial_no=?");
ResultSet rsGetExpiry = null;
psGetExpiry.setString(1, reqSerial);
rsGetExpiry = psGetExpiry.executeQuery();
while (rsGetExpiry.next())
expiryDate = rsGetExpiry.getDate(1); <----- get your expiry date here
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