All flights ______ because of the heavy storm, we decided to take the train.

A:having canceled B:being canceled C:having been canceled D:canceled

There was _______ much snow that school was canceled.

A:size B:so C:such D:so that

All games______ because of the rainstorm, many students could do nothing but study in the classroom.

A:were canceled B:having been canceled C:had been canceled D:have been canceled

All flights ( ) bemuse of the snowstorm, we decided to go by se

A:a. were canceled having canceled having been canceled had been canceled

All flights ( ) bemuse of the snowstorm, we decided to go by sea.

A:were canceled B:having canceled C:having been canceled D:had been canceled

下列关于SQL中HAVING子句的描述，错误的是

A:HAVING子句必须与GROUPBY子句同时使用 B:HAVING子句与GROUPBY子句无关 C:使用WHERE子句的同时可以使用HAVING子句 D:使用HAVING子句的作用是限定分组的条件

下列关于 SQL 中 HAVING 子句的描述，错误的是______。

A:HAVING 子句必须与 GROUP BY 子句同时使用 B:HAVING 子句与 GROUP BY 子句无关 C:使用 WHERE 子句的同时可以使用 HAVING 子句 D:使用 HAVING 子句的作用是限定分组的条件

下列关于SQL中HAVING子句的描述，错误的是（）。

A:HAVING子句必须与GROUP BY子句同时使用 B:HAVING子句与GROUP BY子句无关 C:使用WHERE子句的同时可以使用HAVING子句 D:使用HAVING子句的作用是限定分组的条件