解析 ①I can think of many cases where/inwhich②This is the point where ③that/whichmany others are short of 结果一 题目 【题目】4.case后跟where引导的定语从句(1)当先行词为抽象地点名词case,system,point,stage,occasion, position, situa
stage(舞台）: on which = where; stage (时期，阶段，状态)：at which=where; situation: in which=where ; point: at which=where; case: in which=where; condition: in/under which =where; position: in which=where; occasion: on which=when ...
I need to use in Where condition a Case statment to show only records where 1=1 or if 1=0 then show ALL:Where BO.LOGI1 = (CASE WHEN mylogicVariable = 1 THEN 1 END) --Show only records where mylogicVariable = 1, ( 1=1 ) --Now i need to place code to show All records if...
where引导定语从句时,先行词一般在定语从句中作地点状语,相当于in /at which.有时当先行词为case,condition,situation,state,point,stage等表示“情况”、“状况”、“形势”、“焦点”、“阶段”的词时,后面也常跟where引导的定语从句.有时,表示“从…某个地方时”用from where来表示....
在SQL中,CASE语句是一种条件表达式,用于根据不同的条件返回不同的结果。CASE语句可以在WHERE条件中使用不同的运算符,以根据特定条件过滤数据。 CASE语句的语法如下: 代码语言:txt 复制 SELECT column1, column2, ... FROM table_name WHERE CASE WHEN condition1 THEN result1 ...
【题目】填空scene,case, point, situation, condition等表示“情况,方面”等的名词作先行词并在定语从句中作状语时常用where引导,亦可用“介词+which”结构。①He had to face the conditions ___ pressure was heavy.他必须面对压力很大的情况。②The scene ___ ___ the bear comes at the hunter is very...
例句：1.表地点: the stage where the girls are going to dance is in the gym.2.表时期: the stage when he is preparing for his study is really important.不同的叙述：①当先行词为case，condition，situation，position，point，stage等名词，表示情况、方面、处境时用关系副词where.②当先行...
在SQL 查询中,当需要根据某个条件对查询结果进行分类时,可以使用 CASE 表达式。CASE 表达式允许您根据某个条件返回不同的值。在 WHERE 子句中使用 CASE 表达式时,您需要确保 CA...
关系副词 where 的先行词除了可以是表示 具体地点的词外,还可以是 case、condition、 part、point、situation、stage等表示抽象地点 的词。 It's helpful to put children in a situation where they can see themselves differently. 让孩子们处在他们能以不同的方式看待自 己的状况中是有帮助的。 反馈 收藏 ...
若先行词为抽象空间的名词，如：point,situation,stage,case,position等时，表示“到了某种地步，在某种情况中”时，用where引导定语从句