Such as table
ID ab &
. 1. 1 2
. 1 2. 3
By grouping ID, check the maximum, b, check out a way to
get is 113
That function to check out a first row of data is taken after packet
not necessarily the same values and polymerized Function
mysql any_value () function
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Origin blog.csdn.net/Dawn____Dawn/article/details/103711212
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