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itpub.net
12 年
DBMS_PARALLEL_EXECUTE.CREATE_CHUNKS_BY_ROWID
对by_row和chunk_size不太理解。 文档中描述,如果by_row=true的话,chunk_size指的是行数。 我的理解是对一个表按照rowid分解成若干chunk,每个chunk的大小是chunk_size指定的N行。那么假设一个表有10行数据,应该分成10个chunk.
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