address
| addrId | street |
|---|---|
| 1 | Berkeley |
| 0 | Berkeley |
name
| addrId | name |
|---|---|
| 0 | Fred Jam |
| 1 | Bread Mi |
...
String sql = "select * from address, name";
statement = connection.createStatement();
ResultSet results = statement.executeQuery(sql);
...
when this code execute, occur Error
Error Message is
"java.sql.SQLException: Cannot invoke "[Ljava.lang.String;.clone()" because "columnNames" is null"
I want to play "select * from join table"
What do i do?
Help me please.
