October 2012
Intermediate to advanced
240 pages
7h 52m
Polish
Content preview from MySQL. Mechanizmy wewnętrzne bazy danych
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Rozdział 10. Mechanizmy składowania
W tym rozdziale omówimy nieco bardziej szczegółowo najważniejsze mechanizmy składowania dostępne w MySQL. Niestety, ze względu na dużą liczbę różnych mechanizmów składowania oraz ich złożoność nie będziemy mogli zbadać każdego z nich na poziomie kodu. Mechanizmy takie jak MyISAM i InnoDB zasługiwałyby na osobne 1000-stronicowe książki. Mimo to wskażę miejsca w kodzie źródłowym, w których zainteresowani czytelnicy znajdą więcej informacji.
Poszczególne mechanizmy składowania mają różne możliwości. W Tabela 10-1 znajduje się porównanie różnych mechanizmów.
Tabela 10-1. Porównanie mechanizmów składowania MySQL
MyISAM | InnoDB | Memory | Merge | NDB | Archive | Federated | |
|---|---|---|---|---|---|---|---|
Transakcje | Nie | Tak | Nie | Nie | Tak | Nie | Nie |
Indeksowanie | B-drzewo, R-drzewo, ... |
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