[{"title":"( 18 个子文件 536.66MB ) day5视频.rar","children":[{"title":"视频","children":[{"title":"16-开窗函数介绍.avi <span style='color:#111;'> 28.46MB </span>","children":null,"spread":false},{"title":"08-多表查询-子查询1.avi <span style='color:#111;'> 41.42MB </span>","children":null,"spread":false},{"title":"03-外键约束的操作.avi <span style='color:#111;'> 38.13MB </span>","children":null,"spread":false},{"title":"02-外键约束概念.avi <span style='color:#111;'> 29.15MB </span>","children":null,"spread":false},{"title":"14-索引的操作-唯一索引和主键索引.avi <span style='color:#111;'> 24.56MB </span>","children":null,"spread":false},{"title":"12-索引的分类.avi <span style='color:#111;'> 17.86MB </span>","children":null,"spread":false},{"title":"13-索引的操作-普通索引.avi <span style='color:#111;'> 60.84MB </span>","children":null,"spread":false},{"title":"05-多表查询-交叉连接查询.avi <span style='color:#111;'> 48.26MB </span>","children":null,"spread":false},{"title":"01-表与表之间的关系.mp4 <span style='color:#111;'> 100.81MB </span>","children":null,"spread":false},{"title":"04-外键约束的数据插入和删除.avi <span style='color:#111;'> 52.19MB </span>","children":null,"spread":false},{"title":"18-开窗函数求TopN.mp4 <span style='color:#111;'> 65.46MB </span>","children":null,"spread":false},{"title":"17-开窗函数的用法.avi <span style='color:#111;'> 45.95MB </span>","children":null,"spread":false},{"title":"15-索引的注意事项.avi <span style='color:#111;'> 20.41MB </span>","children":null,"spread":false},{"title":"10-多表查询-子查询3.avi <span style='color:#111;'> 20.51MB </span>","children":null,"spread":false},{"title":"07-多表查询-外连接.avi <span style='color:#111;'> 31.46MB </span>","children":null,"spread":false},{"title":"06-多表查询-内连接查询.avi <span style='color:#111;'> 40.42MB </span>","children":null,"spread":false},{"title":"11-索引的概念.avi <span style='color:#111;'> 24.89MB </span>","children":null,"spread":false},{"title":"09-多表查询-子查询2.avi <span style='color:#111;'> 28.77MB </span>","children":null,"spread":false}],"spread":false}],"spread":true}]