mysql 函数nvl

MySQL中没有内置的NVL函数，但可以使用IFNULL函数来实现类似的功能。IFNULL函数接受两个参数，如果第一个参数不为null，则返回第一个参数的值，否则返回第二个参数的值。所以，你可以使用IFNULL函数来替代NVL函数的作用。 例如，IFNULL(column_name, replace_value) 可以用来替代NVL(column_name, replace_value)。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [浅谈Mysql中类似于nvl()函数的ifnull()函数](https://download.csdn.net/download/weixin_38746738/12828038)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 33.333333333333336%"]
- *2* [浅谈mysql可有类似oracle的nvl的函数](https://download.csdn.net/download/weixin_38678498/12828039)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 33.333333333333336%"]
- *3* [MySQL中创 NVL 函数](https://blog.csdn.net/qq_44732146/article/details/127249504)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 33.333333333333336%"]
[ .reference_list ]