́ (. transaction, . transactio , ) , .
XX [1],
, ,
- , ; -;
- (. ATM transaction) [6].
- () (, ), .
- () , .
- () , ,
- () .
40., .
́ (. transaction) , . , , . , .
(), . (, two-phase commit ). , , -, .
: 5 7 10 . , , :
5
10
5
7
10
7
, , . , , , , 5 10 , 7 .
ACID (Atomicity, Consistency, Isolation, Durability). ACID 70- [1]. , [2].
Atomicity
, . , . , (rollback): , .