题目内容
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[主观题]
下列项目中，与管理费用属于同一类会计科目的是（)。A．无形资产B．本年利润C．应交税费D．投资收益
下列项目中，与管理费用属于同一类会计科目的是()。
A．无形资产
B．本年利润
C．应交税费
D．投资收益
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A．UNIQUE
B． NOT NULL
C． CHECK
D． PRIMARY KEY
E． FOREIGN KEY
更多“下列项目中，与管理费用属于同一类会计科目的是（)。A．无形资…”相关的问题
第2题
Which of the following constraint types can be used to ensure the value of an INTEGER column references only positive values？（）
A．Unique
B．Check
C．Referential
D．Informational
第3题
When defining a referential constraint between the parent table T2 and the dependent table T1, which of the following is true？（）
A.The list of column names in the FOREIGN KEY clause can be a subset of the list of column names in the primary key of T2 or a UNIQUE constraint that exists on T2.
B.The list of column names in the FOREIGN KEY clause can be a subset of the list of column names in the primary key of T1 or a UNIQUE constraint that exists on T1.
C.The list of column names in the FOREIGN KEY clause must be identical to the list of column names in the primary key of T2 or a UNIQUE constraint that exists on T2.
D.The list of column names in the FOREIGN KEY clause must be identical to the list of column names in the primary key of T1 or a UNIQUE constraint that exists on T1.
第4题
Examine the following command:CREATE TABLE （prod_id number（4),Prod_name varchar2 （20),Cate
Examine the following command:CREATE TABLE (prod_id number(4),Prod_name varchar2 (20),Category_id number(30),Quantity_on_hand number (3) INVISIBLE);Which three statements are true about using an invisible column in the PRODUCTS table？（）
A. The %ROWTYPE attribute declarations in PL/SQL to access a row will not display the invisible column in the output.
B. The DESCRIBE commands in SQL *Plus will not display the invisible column in the output.
C. Referential integrity constraint cannot be set on the invisible column.
D. The invisible column cannot be made visible and can only be marked as unused.
E. A primary key constraint can be added on the invisible column.
第5题
The constraint “In a base relation, NO attribute of a primary key can be null”, is called :
A、Entity integrity
B、Referential integrity
C、Check constraint
D、User defined constraint
第6题
Which of the following scenarios will ensure that the value of the NEXT_STEPNO column in a given row of table TABLEX exists as a value of column STEPNO （usually in another row) in the same table？（）
A.Define a UNIQUE constraint on the columns NEXT_STEPNO and STEPNO.
B.Define a CHECK constraint on the NEXT_STEPNO column (NEXT_STEPNO = STEPNO).
C.Define column STEPNO as the primary key of TABLEX and column NEXT_STEPNO as a foreign key referencing column STEPNO of the same table.
D.Define column NEXT_STEPNO as the primary key of TABLEX and column STEPNO as a foreign key referencing column NEXT_STEPNO in the same table.
第7题
What type of constraint can be used to ensure that, in any given row in a table, the value of one column never exceeds the value of another column？（）
A．Check
B．Range
C．Referential
D．Informational
第8题
Which kind of non-sourced UDF can be created so that it only returns a single value？（）
A．Row
B．Table
C．Scalar
D．Column
第9题
Which of the following supports the XML data type？（）
A.A unique index
B.A composite index
C.A check constraint
D.A generated column
第10题
If a unique constraint is defined on column COL1 of table TAB1, what are the characteristics of COL1？（）
A.COL1 will accept NULL values and can be referenced in another table‘s foreign key specification.
B.COL1 will not accept NULL values and cannot be referenced in another tables foreign key specification.
C.COL1 will not accept NULL values and can be referenced in another tables foreign key specification.
D.COL1 will accept NULL values and cannot be referenced in another tables foreign key specification.
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