Reputation: 982
I've just started to learn MySQL and JDBC.
I created a table called testdb using phpmyadmin. Table just has 2 columns called first and last. When I am trying to connect the database from my java class, I get MySQLSyntaxError. However I could not figure it out.
Here is my class:
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class Main {
public static void main(String[] args) throws ClassNotFoundException, SQLException {
String url = "jdbc:mysql://localhost:3306/testdb";
//Accessing driver from the JAR file.
Class.forName("com.mysql.jdbc.Driver");
//Creating a variable for the connection "con"
Connection con = DriverManager.getConnection(url,"root","password");
//Here is the query
PreparedStatement statement = con.prepareStatement("select * from name");
//Execute query
ResultSet result = statement.executeQuery();
while(result.next()) {
System.out.println(result.getString(1) + " " + result.getString(2));
}
}
}
And here is the exception:
Exception in thread "main" com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Table 'testdb.name' doesn't exist
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.Util.getInstance(Util.java:386)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1053)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4096)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4028)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2490)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2651)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2734)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155)
at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2322)
at Main.main(Main.java:22)
Thank you for your help
Upvotes: 1
Views: 15363
Reputation: 4732
You've created a table named testdb therefore your query should be
select * from testdb
not select * from name
you should really check your stacktraces.
Upvotes: 2
Reputation: 66657
MySQLSyntaxErrorException: Table 'testdb.name' doesn't exist
error is pretty much descriptive. There is not table with name "name" in testdb
schema.
I created a table called testdb using phpmyadmin.
If you have created table testdb
then it should be select * from testdb
. isn't it?
Upvotes: 2