码迷,mamicode.com
首页 > 其他好文 > 详细

Get Foreign Keys

时间:2015-06-09 16:27:54      阅读:85      评论:0      收藏:0      [点我收藏+]

标签:


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 rs = null; DatabaseMetaData meta = conn.getMetaData(); // The Oracle database stores its table names as Upper-Case, // if you pass a table name in lowercase characters, it will not work. // MySQL database does not care if table name is uppercase/lowercase. // rs = meta.getExportedKeys(conn.getCatalog(), null, "survey"); while (rs.next()) { String fkTableName = rs.getString("FKTABLE_NAME"); String fkColumnName = rs.getString("FKCOLUMN_NAME"); int fkSequence = rs.getInt("KEY_SEQ"); System.out.println("getExportedKeys(): fkTableName="+fkTableName); System.out.println("getExportedKeys(): fkColumnName="+fkColumnName); System.out.println("getExportedKeys(): fkSequence="+fkSequence); } 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 Foreign Keys

标签:

原文地址:http://www.cnblogs.com/hephec/p/4563290.html

(0)
(0)
   
举报
评论 一句话评论(0
登录后才能评论!
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!