sandbox-java/postgres_java/src/main/java/de/swingbe/postgres_java/JavaPostgreSqlVersion.java

36 lines
1.0 KiB
Java

package de.swingbe.postgres_java;
import java.sql.*;
import java.util.logging.Level;
import java.util.logging.Logger;
public class JavaPostgreSqlVersion {
public static void main(String[] args) {
//connection URL
String url = "jdbc:postgresql://192.168.178.25:5432/testdb";
String user = "user";
String key = "key";
try (
//establish connection
Connection con = DriverManager.getConnection(url, user, key);
//create object for sending SQL statements
Statement st = con.createStatement();
//execute SQL statement
//rs is a table of data returned by a SQL statement
ResultSet rs = st.executeQuery("SELECT VERSION()")) {
while (rs.next()) {
System.out.println(rs.getString(1));
}
} catch (SQLException ex) {
Logger lgr = Logger.getLogger(JavaPostgreSqlVersion.class.getName());
lgr.log(Level.SEVERE, ex.getMessage(), ex);
}
}
}