错误:java.sql.SQLException:[Microsoft][ODBC数据库驱动程序]参数太少。预期1
我正在使用MS Access 2007并尝试插入数据,我得到了异常,我使用[]大括号尝试了它,但它不起作用。它成功创建了DBF文件,但没有生成确切的输出错误:java.sql.SQLException:[Microsoft][ODBC数据库驱动程序]参数太少。预期1,java,ms-access,ms-access-2007,Java,Ms Access,Ms Access 2007,我正在使用MS Access 2007并尝试插入数据,我得到了异常,我使用[]大括号尝试了它,但它不起作用。它成功创建了DBF文件,但没有生成确切的输出 import java.sql.*; public class Test { public static void main(String[] args) { try
import java.sql.*;
public class Test
{
public static void main(String[] args)
{
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
String dataSourceName = "mdbTEST";
String dbURL = "jdbc:odbc:" + dataSourceName;
Connection con = DriverManager.getConnection(dbURL, "","");
// creating a java.sql.Statement so I can run queries
Statement s = con.createStatement();
s.execute("create table TESTME ( olumn_name integer )");
// creating a table
// inserting some data into the table
s.execute("insert into TESTME values(3)");
// selecting the data from the table
s.execute("[select column_name from TESTME]");
//getting any ResultSet that came from our query
ResultSet rs = s.getResultSet();
if (rs != null)
// if rs == null, then there is no ResultSet to view
while ( rs.next() )
{
/* the next line will get the first column in our current row's ResultSet
as a String ( getString( columnNumber) ) and output it to the screen */
System.out.println("[Data from column_name:]" + rs.getString(1) );
}
s.execute("drop table TESTME");
s.close();
con.close();
}
catch (Exception err)
{
System.out.println("ERROR: " + err);
}
}
}
你的陈述
s.execute("[select column_name from TESTME]");
不起作用,因为Access SQL使用方括号分隔表名和列名,所以SQL“查询”由一个没有SELECT
关键字的名称组成。我建议
s.execute("SELECT [column_name] FROM [TESTME]");
…但这可能不起作用,因为CREATE TABLE
语句中有输入错误。试试这个:
s.execute("SELECT [olumn_name] FROM [TESTME]");
编辑
以下代码适用于我:
import java.sql.*;
public class JDBCQuery {
public static void main( String args[] )
{
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection conn = DriverManager.getConnection("jdbc:odbc:Driver={Microsoft Access Driver (*.mdb, *.accdb)};DBQ=C:\\Users\\Public\\Database1.accdb;");
Statement s = conn.createStatement();
s.execute("CREATE TABLE [TESTME] ([column_name] integer)");
s.execute("INSERT INTO [TESTME] VALUES (3)");
s.execute("SELECT [column_name] FROM [TESTME]");
ResultSet rs = s.getResultSet();
if (rs!=null)
{
while (rs.next())
{
System.out.println("Data from column_name: " + rs.getString(1));
}
}
s.execute("DROP TABLE [TESTME]");
s.close();
conn.close();
}
catch( Exception e ) {
e.printStackTrace();
}
}
}
(请注意,当我运行此代码时,数据库文件
Database1.accdb
已经存在。)这些建议根本不起作用,再次生成了相同的异常。如果我们已经创建了.mdb或.accdb文件,但用于创建新文件,则该异常不起作用。