rownum

rownum

 英

  • 网络伪列;伪列特点;按设定排序的行的序号

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通常用于限制返回结果集中枚举行

ROWNUM: This sequential numbering of all the rows in the report for reference purposes.

ROWNUM报表所有顺序编号便于进行引用

A simpler syntax is generated when ROWNUM is specified in the WHERE clause.

WHERE子句指定ROWNUM生成简单语法

Alternative SQL syntax, such as the use of ROWNUM and ROWID is now supported.

现在支持其他SQL语法例如可以使用ROWNUMROWID

What if the query says ROWNUM = 100?

如果查询使用ROWNUM=100,那么怎么办

For example, you can add a ROWNUM clause to limit the number of rows in Oracle or use the TOP clause for SQL Server.

例如Oracle可以添加ROWNUM子句限制对于SQLServer使用TOP子句