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                # SQL NOW() 函數 ## NOW() 函數 NOW 函數返回當前的日期和時間。 提示:如果您在使用 Sql Server 數據庫,請使用 getdate() 函數來獲得當前的日期時間。 ### SQL NOW() 語法 ``` SELECT NOW() FROM table_name ``` ## SQL NOW() 實例 我們擁有下面這個 "Products" 表: | Prod_Id | ProductName | Unit | UnitPrice | | --- | --- | --- | --- | | 1 | gold | 1000 g | 32.35 | | 2 | silver | 1000 g | 11.56 | | 3 | copper | 1000 g | 6.85 | 現在,我們希望顯示當天的日期所對應的名稱和價格。 我們使用如下 SQL 語句: ``` SELECT ProductName, UnitPrice, Now() as PerDate FROM Products ``` 結果集類似這樣: | ProductName | UnitPrice | PerDate | | --- | --- | --- | | gold | 32.35 | 12/29/2008 11:36:05 AM | | silver | 11.56 | 12/29/2008 11:36:05 AM | | copper | 6.85 | 12/29/2008 11:36:05 AM |
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