Java/Database SQL JDBC/Index

Get Index Info

import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
public class Main {
  public static void main(String[] args) throws Exception {
    Connection conn = getMySqlConnection();
    System.out.println("Got Connection.");
    Statement st = conn.createStatement();
    st.executeUpdate("drop table survey;");
    st.executeUpdate("create table survey (id int,name varchar(30));");
    st.executeUpdate("insert into survey (id,name ) values (1,"nameValue")");
    ResultSet indexInformation = null;
    DatabaseMetaData meta = conn.getMetaData();
    // The "_" character represents any single character.
    // The "%" character represents any sequence of zero
    // or more characters.
    indexInformation = meta.getIndexInfo(conn.getCatalog(), null, "survey", true, true);
    while (indexInformation.next()) {
      String dbCatalog = indexInformation.getString("TABLE_CATALOG");
      String dbSchema = indexInformation.getString("TABLE_SCHEMA");
      String dbTableName = indexInformation.getString("TABLE_NAME");
      boolean dbNoneUnique = indexInformation.getBoolean("NON_UNIQUE");
      String dbIndexQualifier = indexInformation.getString("INDEX_QUALIFIER");
      String dbIndexName = indexInformation.getString("INDEX_NAME");
      short dbType = indexInformation.getShort("TYPE");
      short dbOrdinalPosition = indexInformation.getShort("ORDINAL_POSITION");
      String dbColumnName = indexInformation.getString("COLUMN_NAME");
      String dbAscOrDesc = indexInformation.getString("ASC_OR_DESC");
      int dbCardinality = indexInformation.getInt("CARDINALITY");
      int dbPages = indexInformation.getInt("PAGES");
      String dbFilterCondition = indexInformation.getString("FILTER_CONDITION");
      System.out.println("index name=" + dbIndexName);
      System.out.println("table=" + dbTableName);
      System.out.println("column=" + dbColumnName);
      System.out.println("catalog=" + dbCatalog);
      System.out.println("schema=" + dbSchema);
      System.out.println("nonUnique=" + dbNoneUnique);
      System.out.println("indexQualifier=" + dbIndexQualifier);
      System.out.println("type=" + dbType);
      System.out.println("ordinalPosition=" + dbOrdinalPosition);
      System.out.println("ascendingOrDescending=" + dbAscOrDesc);
      System.out.println("cardinality=" + dbCardinality);
      System.out.println("pages=" + dbPages);
      System.out.println("filterCondition=" + dbFilterCondition);
    }
    st.close();
    conn.close();
  }
  private static Connection getHSQLConnection() throws Exception {
    Class.forName("org.hsqldb.jdbcDriver");
    System.out.println("Driver Loaded.");
    String url = "jdbc:hsqldb:data/tutorial";
    return DriverManager.getConnection(url, "sa", "");
  }
  public static Connection getMySqlConnection() throws Exception {
    String driver = "org.gjt.mm.mysql.Driver";
    String url = "jdbc:mysql://localhost/demo2s";
    String username = "oost";
    String password = "oost";
    Class.forName(driver);
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }
  public static Connection getOracleConnection() throws Exception {
    String driver = "oracle.jdbc.driver.OracleDriver";
    String url = "jdbc:oracle:thin:@localhost:1521:caspian";
    String username = "mp";
    String password = "mp2";
    Class.forName(driver); // load Oracle driver
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }
}

Get Index Type

import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
public class Main {
  public static void main(String[] args) throws Exception {
    Connection conn = getMySqlConnection();
    System.out.println("Got Connection.");
    Statement st = conn.createStatement();
    st.executeUpdate("drop table survey;");
    st.executeUpdate("create table survey (id int,name varchar(30));");
    st.executeUpdate("insert into survey (id,name ) values (1,"nameValue")");
    ResultSet indexInformation = null;
    DatabaseMetaData meta = conn.getMetaData();
    // The "_" character represents any single character.
    // The "%" character represents any sequence of zero
    // or more characters.
    indexInformation = meta.getIndexInfo(conn.getCatalog(), null, "survey", true, true);
    while (indexInformation.next()) {
      short type = indexInformation.getShort("TYPE");
      switch (type) {
      case DatabaseMetaData.tableIndexClustered:
        System.out.println("tableIndexClustered");
      case DatabaseMetaData.tableIndexHashed:
        System.out.println("tableIndexHashed");
      case DatabaseMetaData.tableIndexOther:
        System.out.println("tableIndexOther");
      case DatabaseMetaData.tableIndexStatistic:
        System.out.println("tableIndexStatistic");
      default:
        System.out.println("tableIndexOther");
      }
    }
    st.close();
    conn.close();
  }
  private static Connection getHSQLConnection() throws Exception {
    Class.forName("org.hsqldb.jdbcDriver");
    System.out.println("Driver Loaded.");
    String url = "jdbc:hsqldb:data/tutorial";
    return DriverManager.getConnection(url, "sa", "");
  }
  public static Connection getMySqlConnection() throws Exception {
    String driver = "org.gjt.mm.mysql.Driver";
    String url = "jdbc:mysql://localhost/demo2s";
    String username = "oost";
    String password = "oost";
    Class.forName(driver);
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }
  public static Connection getOracleConnection() throws Exception {
    String driver = "oracle.jdbc.driver.OracleDriver";
    String url = "jdbc:oracle:thin:@localhost:1521:caspian";
    String username = "mp";
    String password = "mp2";
    Class.forName(driver); // load Oracle driver
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }
}