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hi, i am querying a single table that contains card numbers and corresponding transaction codes (amongst other things). a single card number can have multiple transaction codes. i want to select all card numbers that have both 0100 and 0802 transaction codes. if i use a select query with...

hi guys, some background on my data: i have a table that holds Electronic Gift Card details (those plastic store gift voucher cards). it holds all details of every transaction for every card, so the card number, activations, redemptions, dates, times, transaction values etc. are all recorded...