OK maybe that doesn't hold true for ALL databases (I don't know one way or the other). Definitely true with Oracle though.
Opinions, experiences and information about SQL and the databases that process it, from a guy who's been at it for over 20 years.
Friday, October 15, 2010
A classic database-related cartoon
OK maybe that doesn't hold true for ALL databases (I don't know one way or the other). Definitely true with Oracle though.
Remember kids (Oracle, redo logging)...
Borrowed from AskTom (and slightly cleaned up):
Table Mode Insert Mode ArchiveLog Mode Result
---------- ----------- --------------- ------
LOGGING APPEND ARCHIVELOG redo generated
NOLOGGING APPEND ARCHIVELOG no redo
LOGGING no append ARCHIVELOG redo generated
NOLOGGING no append ARCHIVELOG redo generated
LOGGING APPEND NOARCHIVELOG no redo
NOLOGGING APPEND NOARCHIVELOG no redo
LOGGING no append NOARCHIVELOG redo generated
NOLOGGING no append NOARCHIVELOG redo generated
Table Mode Insert Mode ArchiveLog Mode Result
---------- ----------- --------------- ------
LOGGING APPEND ARCHIVELOG redo generated
NOLOGGING APPEND ARCHIVELOG no redo
LOGGING no append ARCHIVELOG redo generated
NOLOGGING no append ARCHIVELOG redo generated
LOGGING APPEND NOARCHIVELOG no redo
NOLOGGING APPEND NOARCHIVELOG no redo
LOGGING no append NOARCHIVELOG redo generated
NOLOGGING no append NOARCHIVELOG redo generated
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