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SQL Select to change record orientation from horizontal to vertical

tmajor99
tmajor99 asked
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Last Modified: 2020-02-28
I need a SQL select that can change the orientation of my record.  My input file contains one row per unique ID with separate columns for each reference ID and Type.  I need to format each row by breaking out each column reference type and ID into a new row.  



Input Table:

ID               Reference1 ID      Reference1 Type      Reference 2  ID             Reference2 Type
--------      -------------       -------------               -----------------            -----------------
10000       82                               GPH                             63                              LineBuy
10001       55                               GPH                             43                              LineBuy                                                                
10002                                                                                32                              LineBuy

Output Table:

ID              Reference ID        Reference Type
---------    -------------        ----------------
10000        82                        GPH
10000        63                        LineBuy
10001        55                        GPH
10001        43                        LineBuy
10002        32                        LineBuy
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