如何將 CONCAT() 函式與 MySQL WHERE 子句一起使用?
假設我們要從表“學生”中對各列值(“姓名”、“地址”和“列”,而條件是 WHERE 子句中提供的各列值(“姓名”、“科目”)的串聯,並在其中使用 CONCAT() 函式。我們可以使用以下查詢來輸出 −
mysql> Select CONCAT(Name, ' ', 'Resident of', ' ', Address,' ','is',' ', 'Studying',' ', Subject)AS 'Detail of Student' from Student WHERE CONCAT(Name, Subject) = "AaravHistory"; +----------------------------------------------+ | Detail of Student | +----------------------------------------------+ | Aarav Resident of Mumbai is Studying History | +----------------------------------------------+ 1 row in set (0.00 sec)
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