How do I select all the columns from a table, plus additional columns like ROWNUM?(如何从表中选择所有列,以及 ROWNUM 等附加列?)
问题描述
在 Oracle 中,可以执行 SELECT
语句,将行号作为结果集中的列返回.
例如
有什么想法吗?
用表名来限定*:
In Oracle, it's possible to do a SELECT
statement that returns the row number as a column in your result set.
For example,
returns:
rownum column1 column2 1 Joe Smith 2 Bob Jones
But I don't want to specify each column by hand. I want to do something like:
rownum column1 column2 column3 column4 1 Joe Smith 1 2 2 Bob Jones 3 4
Any ideas?
Qualify the * with the name of the table:
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