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                                1.Á½¸ö±í±ØÐëÊÇInnoDBÊý¾ÝÒýÇæ
                                2.ʹÓÃÔÚÍâ¼ü¹ØϵµÄÓò±ØÐëΪË÷ÒýÐÍ(Index)
                                3.ʹÓÃÔÚÍâ¼ü¹ØϵµÄÓò±ØÐëÓëÊý¾ÝÀàÐÍÏàËÆ
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Create TABLE IF NOT EXISTS `books` (   
  `book_id` smallint(6) NOT NULL auto_increment COMMENT 'Êé¼®±àºÅ',   
  `book_name` char(20) NOT NULL COMMENT 'ÊéÃû',   
  `book_pic` varchar(200) NOT NULL COMMENT '·âÃæ',   
  `book_author` char(20) NOT NULL COMMENT '×÷Õß',   
  `book_pub` char(40) NOT NULL COMMENT '³ö°æÉç',   
  `book_sort` char(6) NOT NULL COMMENT '·ÖÀà',   
  `book_owner` char(6) default NULL COMMENT 'ËùÓÐÕß',   
  `book_borrower` char(7) default NULL COMMENT '½èÔÄÕß',   
  `book_borrower_time` date default NULL COMMENT '½èÔÄʱ¼ä',   
  PRIMARY KEY  (`book_id`),   
  INDEX (book_borrower))   
ENGINE=InnoDB CHARACTER SET utf8 COLLATE utf8_general_ci AUTO_INCREMENT=5 ;  
 
Create TABLE IF NOT EXISTS `parts` (   
  `part_id` smallint(6) NOT NULL COMMENT '³ÉÔ±±àºÅ',   
  `part_name` varchar(6) NOT NULL COMMENT '³ÉÔ±Ãû',   
  `part_mail` varchar(


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