85问答库 > 请教功放上Analog Audio Output和preout有什么区别吗

请教功放上Analog Audio Output和preout有什么区别吗

2025-03-21 11:31:49
推荐回答（1个）
回答1：

：执行静态SQL语句。通常通过Statement实例实现。 执行动态SQL语句。通常通过PreparedStatement实例实现。 Statement 每次执行sql语句，数据库都要执行sql语句的编译 ，最好用于仅执行一次查询并返回结果的情形，效率高于PreparedStatement。

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