【简答题】【消耗次数：1】
数据库设计包括数据库的[填空]和数据库的[填空]。
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相关题目
【简答题】
什么是数据库设计，数据库设计的主要步骤？
【单选题】
数据库（DB）、数据库系统（DBS）和数据库管理系统（DBMS）三者之间的关系是( )。
①
DBS包括DB和DBMS
②
DBMS 包括DB 和DBS
③
DB 包括DBS 和DBMS
④
DBS 就是DB,也就是DBMS
【简答题】
数据库[填空]机制用来确保数据库中的数据正确有效相容。
随机题目
【单选题】
The students union has seen a growing ( ) to over several hundred.
①
crowd
②
public
③
population
④
membership
【单选题】
There can be no ( ) understanding without communication between people.
①
mutually
②
mutuality
③
mutual
④
mutualism
【单选题】
It is not a matter of right or wrong, instead it ( )down to a matter of preference.
①
ends
②
results
③
goes
④
comes
【单选题】
Chick peas have a ( ), delicious, and nutty flavour
①
distinction
②
distinctness
③
distinctive
④
distinctively
【单选题】
Their relationship was so ( ) that their life-long work together had to stop.
①
firm
②
frayed
③
friendly
④
fraternal
【单选题】
He was under pressure to resign and was about to be ( ).
①
sidelined
②
sidelines
③
sidelining
④
sideline
【单选题】
The new technology has been ( ) in the industrial production.
①
utilized
②
possessed
③
elevated
④
focused