a simpler sQL question, high help please!!!!# Database - 数据库
w*n
1 楼
ok, a more simpler question:
say i have a table like this
ID LOGID
1 2
1 3
1 4
2 2
2 3
say i have another table that has
ID
1
2
3
4
.
.
how do i count each ID different? means i want to find out
how many LOGID each id has?
say i have a table like this
ID LOGID
1 2
1 3
1 4
2 2
2 3
say i have another table that has
ID
1
2
3
4
.
.
how do i count each ID different? means i want to find out
how many LOGID each id has?