摘要:
假如有有in.txt I have a dream that my four little children will one day live in a nation where they will not be judged by the color of their skin but by t 阅读全文
摘要:
MyISAM是MySQL的默认数据库引擎(5.5版之前),由早期的ISAM(Indexed Sequential Access Method:有索引的顺序访问方法)所改良。虽然性能极佳,但却有一个缺点:不支持事务处理(transaction)。不过,在这几年的发展下,MySQL也导入了InnoDB( 阅读全文