I have two tables, XMemberT and VMemberT and I want add certain details into an extra column for VMemberT. (If ID matches, add name and age)
I need the end results where the added columns appear on the left side of VMemberT
I've been stuck trying to figure a way to get the desired results out. May I ask for some help, please?
将加入用于参考目的使用此链接https://www.w3schools.com/sql/sql_join.asp
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