pseudocolumn

pseudocolumn

美 　英

• 網絡偽列；僞列

例句

ROWNUM pseudocolumn This pseudocolumn is typically used to limit the number of rows returned and to enumerate rows in a result set.

ROWNUM偽列該偽列通常用于限制返回的行數并在結果集中枚舉行。

ROWID pseudocolumn Rowids are used to quickly retrieve a row that was previously fetched based on its physical address.

ROWID偽列Rowid用于快速獲取之前根據其物理地址獲取的行。