题目内容

预算线的斜率可以表示为两种商品价格之比的负值。()

A. 正确
B. 错误

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Your application regularly issues the following statement: SELECT * FROM BANK_ACCT WHERE ACCT_BALANCE BETWEEN 1000 and 10000; Which of the following database objects would be inappropriate for use with this statement?()

A. Materialized views
B. Indexes
C. Index-organized tables
D. Hash cluster

简述公共危机管理体制的功能。

结账时,全年累计发生额下通栏划单红线。

A. 正确
B. 错误

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