摘要:
You can use datetime format models in the following functions:In theTO_*datetime functions to translate a character value that is in a format other than the default format into a datetime value. (TheTO_* datetime functions areTO_CHAR,TO_DATE,TO_TIMESTAMP,TO_TIMESTAMP_TZ,TO_YMINTERVAL, andTO_DSINTERV 阅读全文
posted @ 2013-04-15 09:41
marusu
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摘要:
You can use number format models in the following functions:In theTO_CHARfunction to translate a value ofNUMBER,BINARY_FLOAT, orBINARY_DOUBLEdatatype toVARCHAR2datatypeIn theTO_NUMBERfunction to translate a value ofCHARorVARCHAR2datatype toNUMBERdatatypeIn theTO_BINARY_FLOATandTO_BINARY_DOUBLEfuncti 阅读全文
posted @ 2013-04-15 09:37
marusu
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ALTER CLUSTER ALTER CLUSTER [ schema. ]cluster { physical_attributes_clause | SIZE size_clause | allocate_extent_clause | deallocate_unused_clause | { CACHE | NOCACHE } } [ physical_attributes_clause | SIZE size_clause | allocate_extent_clause ... 阅读全文
posted @ 2013-04-15 09:30
marusu
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