SUM(CASE WHEN ISNULL(A.ReceiveQty,0)>0 THEN 1 ELSE 0 END) AS SumReceiveRolls是什么意思?在储存过程中,这句是什么意思SUM(CASE WHEN ISNULL(A.ReceiveQty,0)>0 THEN 1 ELSE 0 END) AS SumReceiveRolls,

SUM(CASE WHEN ISNULL(A.ReceiveQty,0)>0 THEN 1 ELSE 0 END) AS SumReceiveRolls是什么意思?在储存过程中,这句是什么意思SUM(CASE WHEN ISNULL(A.ReceiveQty,0)>0 THEN 1 ELSE 0 END) AS SumReceiveRolls, 这是什么SQL语法啊,从未见过,以下是全文select sc.cid as 课程ID,course.name as 课程名,SUM(CASE WHEN score BETWEEN 85 AND 100 THEN 1 ELSE 0 END) AS [100 - 85],SUM(CASE WHEN score BETWEEN 70 AND 85 THEN 1 ELSE 0 END) AS [85-70],SUM(CA SQL语句case whenselect trunc(date '2009-01-01','dd') as date_id, b.org_id as org_id, b.risk_id as risk_id, sum(a.planfee-nvl(c.payreffee,0)) , (case when to_char(statistic_date-payrefdate>=0) and to_char(st case when then else end IsNull(1) 0 :IsNull(0) 0 : CREATE PROCEDURE dbo.p_dir_info @user varchar(20),@parent_path varchar(255) ASSELECT *FROM (SELECT d.[user],d.path ,d.parent_path,d.dir,d.create_time,ISNULL(SUM(f.[count]),0) AS [count],ISNULL(SUM(f.[size]),0) AS [size]FROM dbo.t_directories d LEFT O Caused by:java.lang.IllegalArgumentException:No positional parameters in query:select sum(case when t.expenseDeatailLine.financeauditmoney>0 then t.expenseDeatailLine.financeauditmoney eles t.expenseDeatailLine.reimbursementamount end ) from TravelEx SQL isnull( )函数的用法.比如isnull(a,' ')=' ISNULL(CompanyID,0) = 1, case 1:sum=a*pow((1+0.63%),12);break;这句错在哪啊? Case case select sc.cid as 课程ID,course.name as 课程名 ,SUM(CASE WHEN score BETWEEN 85 AND 100 THEN 1 ELSE 0这是什么语法啊,以下是全文-- 23、统计列印各科成绩,各分数段人数:课程ID,课程名称,[100-85],[85-70],[70-60],[ case when语句结尾用end 还是end casePL SQLend 和 end case有什么区别? CASE a WHEN 1 THEN b ELSE NULL END case when 语句怎么写,举个例子 能否在from 之后加 case when 语句? 能不能在Where 后面用Case when 语句