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, situation, condition, activity, race,job,scene,competition,atmosphere等,且关系词在从句中作状语时,常用 where来引导定语从句。① 1} I can think of many cases where/ in which students knew quite...
当先行词是表示抽象地点的名词(如 situation、stage、case、point、position、circumstance、condition、state)时,若关系词在定语从句中作状语,则定语从句常用 where 或“介词 + which”引导。若关系词在从句中作主语或宾语,则不能用 where 引导,而要用 that 或 which。 答案: * 题目一:where/in which * 题目二...
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 ...
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...
where ( ( @YesNo=1 AND A.married in(1) ) OR ( @YesNo = 0 AND A.married in(0,1) ) ) in my case it works, it looks good or I can do it another way ? Thanks, Ls John Mitchell-245523 SSC Guru Points: 148809 More actions ...
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....
【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...
下面是一个示例SQL语句,使用CASE语句创建WHERE子句: 代码语言:sql 复制 SELECT * FROM table_name WHERE CASE WHEN condition1 THEN filter_condition1 WHEN condition2 THEN filter_condition2 ELSE default_filter_condition END; 在上述示例中,根据不同的条件(condition1、condition2),选择不同的过滤条件(filter_...
其中,condition1、condition2等是条件表达式,result1、result2等是对应条件为真时的结果,ELSE子句同样是可选的。 使用CASE语句在WHERE子句中连接时,可以根据不同的条件动态地构建查询条件。例如,假设有一个名为"status"的列,我们想要查询状态为"1"或"2"的记录,但是如果状态为"2"时,还要根据另一个列"category"的...
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