从 "actor" 表中选取 "FirstName" 列的SQL语句是（ ）。 A: select actor.FirstName B: extract FirstName from actor C: select FirstName from actor D: update FirstName from actor

通过 SQL返回 "Actor" 表中记录的数目的表述正确的是（）。? SELECT COUNT() FROM Actor|SELECT COUNT(*) FROM Actor|SELECT COLUMNS(*) FROM Actor|SELECT COLUMNS() FROM Actor

通过 SQL，向 "Actor" 表插入新记录的正确表述是（ ）。? INSERT INTO Actor VALUES ('Jimmy', 'Jackson')|INSERT INTO Actor VALUE ('Jimmy', 'Jackson')|INSERT ('Jimmy', 'Jackson') INTO Actor|INSERT VALUES ('Jimmy', 'Jackson') INTO Actor

通过 SQL返回 "Actor" 表中记录的数目的表述正确的是（）。 A: SELECT COLUMNS() FROM Actor B: SELECT COLUMNS(*) FROM Actor C: SELECT COUNT() FROM Actor D: SELECT COUNT(*) FROM Actor

通过 SQL，根据 "FirstName" 列降序地从 "Actor" 表返回所有记录的正确表述是（）。 A: SELECT * FROM Actor SORT 'FirstName' DESC B: SELECT * FROM Actor ORDER BY FirstName DESC C: SELECT * FROM Actor ORDER FirstName DESC D: SELECT * FROM Actor SORT BY 'FirstName' DESC

通过 SQL，从 “actor” 表中选取 "FirstName" 列的值等于"John" 的所有记录的表述正确的是（ ）。? SELECT * FROM Actor WHERE FirstName='John'|SELECT * FROM Actor WHERE FirstName LIKE 'John'|SELECT [all] FROM Actor WHERE FirstName='John'|SELECT [all] FROM Actor WHERE FirstName LIKE 'John'

He is not ______ as any of those film stars. A: so good an actor B: such good an actor C: a suchgood actor D: a sogood actor

I__________with whom we are familiar. A: Here the actor comes B: Here comes the actor C: The actor comes here D: Comes here the actor

Shakespeare was ... A: an actor and a playwright B: an actor, a novelist and a playwright C: playwright and a poet D: an actor, a playwright and a poet

关于Actor的说法，不正确的是 A: Actor包含有骨骼 B: Actor可以驱动角色 C: Actor用来映射Marker点 D: Actor的大小需要和Marker点相适应