2014年7月28日
Oracle Internal Table X$BH Buffer Hash
摘要： fromhttp://oracle-abc.wikidot.com/x-bhBuffer Hash(according toJ. Morle's Scaling Oracle 8i)Another explaining is Buffer Header.Columnsver 10.2.0.4> x$... 阅读全文
posted @ 2014-07-28 18:42 princessd8251 阅读(338) 评论(0) 推荐(0) 编辑
COLUMN_VALUE Pseudocolumn
摘要： With below three situation, we can use the pseudocolumncolumn_value to refer the column value.an XMLTABLEconstruct without the columnsclauseTABLE func... 阅读全文
posted @ 2014-07-28 18:40 princessd8251 阅读(850) 评论(0) 推荐(0) 编辑