DELETE 語(yǔ)句用于刪除表中的行。
DELETE FROM 表名稱 WHERE 列名稱 = 值
LastName | FirstName | Address | City |
---|---|---|---|
Gates | Bill | Xuanwumen 10 | Beijing |
Wilson | Fred | Zhongshan 23 | Nanjing |
"Fred Wilson" 會(huì)被刪除:
DELETE FROM Person WHERE LastName = 'Wilson'
LastName | FirstName | Address | City |
---|---|---|---|
Gates | Bill | Xuanwumen 10 | Beijing |
可以在不刪除表的情況下刪除所有的行。這意味著表的結(jié)構(gòu)、屬性和索引都是完整的:
DELETE FROM table_name
或者:
DELETE * FROM table_name
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