Transfer Without Half-Done State
Transfer 100 in accounts from account id = 1 to account id = 2. Do it in one statement: money must not be debited without being credited, or credited without being debited, and the sender must not go below 0 during concurrent transfers.
Logáil isteach chun stair na n-aighneachtaí a fheiceáil
Logáil isteachLogáil isteach chun an Meantóir IS a úsáid
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