A*o
2 楼
schema如下:
id
key1
key2
value
假设key2对于每一个key1的值有固定的几个值,
怎么得到这样一个table,对于一个给定的key1
key2-v1 key2-v2 ... key2-vN
values....
...
谢谢
id
key1
key2
value
假设key2对于每一个key1的值有固定的几个值,
怎么得到这样一个table,对于一个给定的key1
key2-v1 key2-v2 ... key2-vN
values....
...
谢谢
m*d
7 楼
你们早
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