//批量添加20000條數據用時8秒。
try {
String url = "jdbc:oracle:thin:@IP:1521:orcl"; // orcl為數據庫的SID
String user = "oracle";
String password = "oracle";
StringBuffer sql = new StringBuffer();
sql.append("insert into ex_log (EX_LOG_ID,EX_LOG_DATE) values (?,?)");
Class.forName("oracle.jdbc.driver.OracleDriver");
Connection con = (Connection) DriverManager.getConnection(url,user,password);
// 關閉事務自動提交
con.setAutoCommit(false);
Long startTime = System.currentTimeMillis();
PreparedStatement pst = (PreparedStatement) con.prepareStatement(sql.toString());
for (int i = 0; i < list.size(); i++) {
ExLog exLog = (ExLog)list.get(i);
pst.setString(1, exLog.getExLogId());
pst.setString(2, exLog.getExLogDate());
// 把一個SQL命令加入命令列表
pst.addBatch();
}
// 執行批量更新
pst.executeBatch();
// 語句執行完畢，提交本事務
con.commit();
Long endTime = System.currentTimeMillis();
System.out.println("用時：" + (endTime - startTime));
pst.close();
con.close();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
文檔來源：
Java 批量插入數據（Oracle）