在如下程序中，引发错误的语句是______ class Fred;class Barney{ Fred f;}class Fred{ Barney b;}

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2022-05-29 问题

在如下程序中，引发错误的语句是______ class Fred;class Barney{ Fred f;}class Fred{ Barney b;}

2022-06-14 问题

通过 SQL，在 "Actor" 表中删除 "FirstName" 等于 "Fred" 的记录的描述正确的是（）。 A: DELETE FirstName='Fred' FROM Actor B: DELETE ROW FirstName='Fred' FROM Actor C: DELETE Actor WHERE FirstName = 'Fred' D: DELETE FROM Actor WHERE FirstName = 'Fred'

通过 SQL，在 "Actor" 表中删除 "FirstName" 等于 "Fred" 的记录的描述正确的是（）。 A: DELETE FirstName='Fred' FROM Actor B: DELETE ROW FirstName='Fred' FROM Actor C: DELETE Actor WHERE FirstName = 'Fred' D: DELETE FROM Actor WHERE FirstName = 'Fred'

2022-06-19 问题

通过 SQL，您如何在 "Persons" 表中删除 "FirstName" 等于 "Fred" 的纪录？ A: DELETE FROM Persons WHERE FirstName = 'Fred' B: DELETE FirstName='Fred' FROM Persons C: DELETE ROW FirstName='Fred' FROM Persons

通过 SQL，您如何在 "Persons" 表中删除 "FirstName" 等于 "Fred" 的纪录？ A: DELETE FROM Persons WHERE FirstName = 'Fred' B: DELETE FirstName='Fred' FROM Persons C: DELETE ROW FirstName='Fred' FROM Persons

2021-04-14 问题

Considerthefollowingdialogue:Fred:Onaver...Inthisexchange,Tedis

2022-06-04 问题

Daisy: Fred, why don’t you come and have a picnic with us Fred: （）. I have long been expecting it.

2022-06-12 问题

Fred finds Chinese very difficult. ______

2021-04-14 问题

Fred ________ (buy) a new house last year.

2021-04-14 问题

The thank-you note from Fred shows that______.

2022-06-10 问题

Tom and Fred go to China every year. ______

2022-06-15 问题

Tom loves India but Fred doesn't. ______

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