Pseudocolumn
A Pseudocolumn is a "column" that yields a value when selected, but which is not an actual column of the table. An example is RowID or SysDate. It is often used in combination with the DUAL table.
| 单词 | Pseudocolumn |
| 释义 |
Pseudocolumn
英语百科
PseudocolumnA Pseudocolumn is a "column" that yields a value when selected, but which is not an actual column of the table. An example is RowID or SysDate. It is often used in combination with the DUAL table. |
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