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【单选题】
为了保持表之间的关系,要求删除主表中记录时,自动删除相关表中的相关记录,在选择“实施参照完整性”的同时要选择( )。A.
级联删除相关记录
B.
级联更新相关字段
C.
级联添加相关字段
D.
级联插入相关字段
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】In addition to intelce，we should develop__________ (persist)in children.
【单选题】We should be strict ______ ourselves and ______ our work. [ ]
A.
to, in
B.
with, on
C.
in, with
D.
with, in j
【单选题】We should persist with income redistribution.
A.
get rid of
B.
keep on with
C.
argue with
D.
change
【单选题】The author argued in Paragraph 5 that 'that margin of spare capacity should persist this year' due to______.
A.
Mr. Osborne's austerity measures
B.
the public's rising worry over inflation
C.
inflationary disruption
D.
the economic recovery will be still healthy