pseudocolumn

pseudocolumn

美 　英

• 网络伪列；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伪列该伪列通常用于限制返回的行数并在结果集中枚举行。

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

ROWID伪列Rowid用于快速获取之前根据其物理地址获取的行。