Excel的常用函数 1、查找重复内容 =IF(COUNTIF(A:A,A2)>1,"重复","") 2、重复内容首次出现时不提示 =IF(COUNTIF(A$2:A2,A2)>1,"重复","") 3、重复内容首次出现时提示重复 =IF(COUNTIF(A2:A99,A2)>1,"重复","...Excel 常用数字函数 数字函数 函数 用途 INT() 取整数部分,时间类的数据...
SELECTCASEWHENscore<60THEN"不及格"WHENscore>=60ANDscore<85THEN"良"WHENscore>=85THEN"优秀"ELSE"未知"ENDAS"阶段",COUNT(DISTINCTA.s_id )AS"包含人数"FROMscoreAINNERJOINstudent bONA.s_id=b.s_idGROUPBYCASEWHENscore<60THEN"不及格"WHENscore>=60ANDscore<85THEN"良"WHENscore>=85THEN"优秀"ELSE"...
select case job_level when ‘1’ then ‘1111’ when ‘2’ then ‘1111’ when ‘3’ then ‘1111’ else ‘eee’ end from dbo.employee 第二种 格式 :Case搜索函数 格式说明 case when 列名= 条件值1 then 选项1 when 列名=条件值2 then 选项2… else 默认值 end eg: update employee set e_...
CASE WHEN应用:使用CASE WHEN可以根据某些条件对数据进行分类或转换。 SELECT employee, department, CASE WHEN salary > 5000 THEN 'High Salary' WHEN salary < 3000 THEN 'Low Salary' ELSE 'Medium Salary' END as salary_category FROM employees; 结合开窗函数和CASE WHEN:结合这两种工具,根据不同的条件在窗...
SQL中的CASE WHEN使用 Case具有两种格式。简单Case函数和Case搜索函数。...如果使用Case函数,SQL代码如下: SELECT SUM(population), CASE country WHEN ‘中国’ THEN ‘亚洲’ WHEN ‘印度’ THEN ‘...但是那样增加消...
case 表达式可以实现sql像excel透视表类似的功能。 比如我想知道每门课程,学生成绩的分别情况 可以使用下方代码进行完成 SELECTc_id,sum(CASEWHENscore<60THEN1ELSE0END)AS"不及格",sum(CASEWHENscore>=60andscore<85THEN1ELSE0END)as"良",sum(CASEWHENscore>=85THEN1ELSE0END)as"优秀"fromscoreaLEFTJOINstuden...
WHEN search_condition THEN statement_list [WHEN search_condition THEN statement_list] ... [ELSE statement_list] END CASE 注意: 这两种语法是有区别的,区别如下: 1:第一种语法:case_value必须是一个表达式,例如 userid%2=1或者username is null等。该种语法不能用于测试NULL。
Check if a cell has any text in it To do this task, use theISTEXTfunction. Check if a cell matches specific text Use theIFfunction to return results for the condition that you specify. Check if part of a cell matches specific text ...
Changing Case in Excel.The article presents a tutorial on changing data from uppercase to lowercase in the Excel electronic spreadsheet program from Microsoft Corp.JelenBillStrategic Finance
How to Use Select Case and the Like Operator Simultaneously in Excel VBA Case 1 – When the Select Case Returns False Statement As the previous statement states, theLike operatorwill look for a pattern in your given condition and returnTrueif any of the matches are found. Look at a typical...