October 2012
Intermediate to advanced
240 pages
7h 52m
Polish
Content preview from MySQL. Mechanizmy wewnętrzne bazy danychBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Rozdział 11. Transakcje
W architekturze MySQL odpowiedzialność za obsługę transakcji spoczywa przede wszystkim na mechanizmie składowania. Sposoby rejestrowania transakcji, blokowania wierszy lub stron, implementowania poziomów izolacji, zatwierdzania i wycofywania oraz realizowania wielu innych operacji transakcyjnych bardzo się różnią w poszczególnych mechanizmach składowania. Jednakże każdy mechanizm musi używać tego samego interfejsu do komunikacji z wyższą warstwą SQL. Zatem w niniejszym rozdziale skupimy się na tym, jak zintegrować istniejący transakcyjny mechanizm składowania z MySQL.
InnoDB to najbardziej niezawodny transakcyjny mechanizm składowania MySQL. Użyję go więc jako przykładu i spróbuję pokazać, dlaczego pewne jego elementy zostały ...
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