Information générale
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Titre:
Using self-join to merge rows into same column
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I have a cursor with 3 fields order_key, lup_type, lup_value.
The data might look as follows:
531 make FORD
531 color BLUE
532 make HONDA
532 color RED
533 color ORANGE (person didn't enter a car make)
534...etc.
These values were already retrieved from a vehicle_info table and a lookup table.
How can I take these values and combine them so that it will have the following layout:
order_key, veh_make, veh_color
531, FORD, BLUE
532, HONDA, RED
533, , ORANGE
I tried a self join but can't get the list to show unique order_key's.
As always, thanks for your excellent help.
Marcel
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