WebMar 14, 2024 · php中case的用法是什么. php中case是在switch语句中使用，其使用语法如“switch (n) {case label1:break;case label2:break;}”，该语法实现将表达式的值与结构中每个case的值进行比较，然后按条件执行不同动作。. 本文操作环境：Windows7系统、PHP7.1版、Dell G3电脑。. WebAug 28, 2014 · 17. You forgot the end. select case when someid = 1 then date_1 when someid = 2 then date_2 when someid = 3 then date_3 when someid = 4 then date_4 end as col1 ,case when someid = 1 then xdate_1 when someid = 2 then xdate_2 when someid = 3 then xdate_3 when someid = 4 then xdate_4 end as col2 from mytable; Share. Improve …
VBA 实践指南 -- 多条件判断 - 知乎 - 知乎专栏
Webselect * from table_name t. where (case when t.table_column='条件' then t.table_column. when t.table_column='条件' then t.table_column end)='条件'. my sql code: -- 测试sql. SELECT * FROM PROJECT_INFO pi. WHERE (CASE WHEN PI.START_DATE_OF_REMOTE_AUDIT IS NOT NULL THEN. TO_CHAR … Webmysql sql mysql select mysql where mysql and, or, not mysql order by mysql insert into mysql null values mysql update mysql delete mysql limit mysql min 和 max mysql count, avg, sum mysql like mysql 通配符 mysql in mysql between mysql 别名 mysql 联接 mysql inner join mysql left join mysql right join mysql cross join mysql 自联接 ... courthouse on will clayton parkway
SQL利用Case When Then多条件 - 在途中# - 博客园
WebIn this case, we can make the use of a simple case statement by specifying 914568524 as the expression in string format, and the WHEN clause will contain the substring function to get the first 9 characters of the mobile number field. SELECT CASE "914568525". WHEN SUBSTRING (mobile_number, 1, 9) THEN mobile_number. ELSE "**********" END. WebNov 15, 2024 · 版权声明： 本文内容由阿里云实名注册用户自发贡献，版权归原作者所有，阿里云开发者社区不拥有其著作权，亦不承担相应法律责任。 具体规则请查看《阿里 … Web真である searched-when-clause 、または simple-when-clause の 結果、またはどの CASE も真ではないときの結果を指定します。データ・タイプが定義されている CASE 式に … brian mccarty facts