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

33 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 JavaPostgreSqlListTables {
public static void main(String[] args) {
//connection URL for the postgres database
//jdbc:postgresql://<host>:<port>/<database name>
String url = "jdbc:postgresql://localhost:5432/testdb";
String user = "usr";
String password = "#password";
String query = "SELECT table_name FROM information_schema.tables " + "WHERE table_schema = 'public'";
try (Connection con = DriverManager.getConnection(url, user, password); PreparedStatement pst = con.prepareStatement(query); ResultSet rs = pst.executeQuery()) {
while (rs.next()) {
System.out.println(rs.getString(1));
}
} catch (SQLException ex) {
Logger lgr = Logger.getLogger(JavaPostgreSqlListTables.class.getName());
lgr.log(Level.SEVERE, ex.getMessage(), ex);
}
}
}