查找重複，並將其插入到一個單獨的表

Question

我有一個表

Id int 
Post code int 
Suburb varchar 
State varchar 

我需要能夠找到的組合(post code, suburb, state)

的副本，並將其插入到該記錄不正確的數據絕望表

Eg 
Id int 
Post code int 
Suburb varchar 
State varchar 

Answer 1

INSERT INTO IncorrectResults (PostCode, Suburb, State) 
SELECT PostCode, Suburb, State 
FROM MyTable 
GROUP BY PostCode, Suburb, State 
HAVING COUNT(*) > 1