php 插入100万条.和对比100万条,差距?
1-100万个数字,从1-100万.
用户A,随机给10个,
用户B,随机给8个,
用户c,随机给10000个,
3个用户,又或者说N个用户,随机给数字都不能重复,
求解,怎么来解.
使用PHP来操作.尽量不使用mysql来操作.mysql用来做查询与储存使用.
回复讨论(解决方案)
不知道你的意思是什么？
如果仅仅是插入，那么没有索引的速度将远高于有索引的速度
如果仅仅是查询，那么有索引的速度将远高于没有索引的速度
你是插入还是查询了
我看你是插入时需要判断是否存在吧
那就需要加索引了
你这是要不使用数据库来随机分配唯一主键标识?
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