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SQL FIRST() Óï·¨
SELECT FIRST(column_name) FROM table_name
SQL FIRST() ʵÀý
ÎÒÃÇÓµÓÐÏÂÃæÕâ¸ö "Orders" ±í£º
O_Id | OrderDate | OrderPrice | Customer |
---|---|---|---|
1 | 2008/12/29 | 1000 | Bush |
2 | 2008/11/23 | 1600 | Carter |
3 | 2008/10/05 | 700 | Bush |
4 | 2008/09/28 | 300 | Bush |
5 | 2008/08/06 | 2000 | Adams |
6 | 2008/07/21 | 100 | Carter |
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SELECT FIRST(OrderPrice) AS FirstOrderPrice FROM Orders
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FirstOrderPrice |
---|
1000 |