# 删除函数 Joe 将计税逻辑放到了 sp_idt 中,现在不需要 individual_income_tax 函数了,他应该怎样删除这个函数?
点击进入[MySQL实战练习环境](https://mydev.csdn.net/product/pod/new?image=cimg-centos7-skilltreemysql&connect=auto&create=auto&utm_source=skill){target="_blank"}。 * `show databases;` 列出所有数据库 * `show tables;` 列出所有表 ## 答案 ```sql drop function individual_income_tax; ``` ## 选项 ### A ```sql delete function individual_income_tax; ``` ### B ```sql remove function individual_income_tax; ``` ### C ```sql drop function individual_income_tax(decimal(12, 4)); ```