database - Java DB (Embedded) Connect using -
helo everybody,
i have created database named emb4 in java using netbeans ide, 1 table , trying create application embedded db. have created embedded driver , using code :
> /* * change template, choose tools | templates * , open template in editor. */ package embededbaza4; > > import java.sql.connection; import java.sql.drivermanager; import > java.sql.resultset; import java.sql.statement; > > > /** * * @author admin */ public class embededbaza4 { > > > private static final string driver = "org.apache.derby.jdbc.embeddeddriver"; > > /** > * @param args command line arguments > */ > public static void main(string[] args) { > // todo code application logic here > > try > { > class.forname(driver).newinstance(); > connection conn = null; > conn = drivermanager.getconnection("jdbc:derby:emb4;create=true"); > > statement st = conn.createstatement(); > string sql = "select * tekstovi"; > resultset setrezultata = st.executequery(sql); > > while(setrezultata.next()) > { > system.out.println(setrezultata.getstring("txt")); > } > > > } > catch(exception exc) > { > system.err.println("unable load embedded driver."); > exc.printstacktrace(system.err); > system.exit(0); > } > } }
but won't connect database have created, rather it's creating new database , there isn't table have created . how can resolve problem.
try using absolute path database in connection url. e.g. jdbc:derby:/path/to/emb4
Comments
Post a Comment