如何將數字轉換爲mySQL的select語句中的字符串

Question

當您在MySQL中發出SELECT語句時，是否可以將數字和日期轉換爲字符串？事情是這樣的：

SELECT str(a.Amount) as AMT, str(a.date) as Date FROM LALAZUK as a... 

Answer 1

你需要的是CAST：

SELECT CAST(a.Amount AS CHAR CHARACTER SET utf8) as AMT, SELECT CAST(a.date AS CHAR CHARACTER SET utf8) as Date FROM LALAZUK as a...

http://dev.mysql.com/doc/refman/5.0/en/charset-convert.html