SQL如何将小数转换为字符串

Question

在SELECT语句中,我想将值转换为字符串,即.SELECT TO_STRING(value).

如何在Oracle SQL中执行此操作？

Answer 1

您可以使用TO_CHAR或CAST功能:

SELECT TO_CHAR(123.45) FROM DUAL

SELECT CAST(123.45 AS VARCHAR2(10)) FROM DUAL