Java 批量插入数据（Oracle）

//批量添加20000条数据用时8秒。
try {
String url = "jdbc:oracle:thin:@IP:1521:orcl"; // orcl为数据库的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);
// 关闭事务自动提交
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());
// 把一个SQL命令加入命令列表
pst.addBatch();
}
// 执行批量更新
pst.executeBatch();
// 语句执行完毕，提交本事务
con.commit();
Long endTime = System.currentTimeMillis();
System.out.println("用时：" + (endTime - startTime));
pst.close();
con.close();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}

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