多选题Which of the following statements are true when creating NETBIOS names？（）ANETBIOS names can only use alphanumeric characters.BYou can use a ’.’ in a NETBIOS name.CYou can use an ’_’ （underscore） in a NETBIOS name.DNETBIOS names must be UPPERCASEENETBI

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多选题

Which of the following statements are true when creating NETBIOS names？（）

NETBIOS names can only use alphanumeric characters.

You can use a ’.’ in a NETBIOS name.

You can use an ’_’ （underscore） in a NETBIOS name.

NETBIOS names must be UPPERCASE

NETBIOS names can be a maximum of 32 characters

参考答案和解析

正确答案： D,A

解析：暂无解析

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第1题

bill has an author names field named all editors that calculates a list of possible editors of the doc based on values users has entered into another field. The list only contains users’ first and last names, and only should be displayed to users who can edit doc.Which of the following hide-when formulas should bill use to control the display of the field?（）A、 @isnotmember(alleditors,@username) B、 @isnotmember(@name([cn]);@username) C、 @isnotmember(alleditors;@name([cn ];@username)) D、 if(@isnotmember(alleditors;@name([cn];@username);@true;@false))

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第2题

which one of the following accurately describes field names?（）A、they must be unique in a database B、they can only be used once in a view C、they can only used once on each form D、they can be used mulriple times on a form

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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.

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第4题

Which two are true about aggregate functions? （）A、You can use aggregate functions in any clause of a SELECT statement.B、You can use aggregate functions only in the column list of the select clause and in the WHERE clause of a SELECT statement.C、You can mix single row columns with aggregate functions in the column list of a SELECT statement by grouping on the single row columns.D、You can pass column names, expressions, constants, or functions as parameter to an aggregate function.E、You can use aggregate functions on a table, only by grouping the whole table as one single group.F、You cannot group the rows of a table by more than one column while using aggregate functions.

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第5题

Which two statements about views are true?（）A、A view can be created as read only.B、A view can be created as a join on two or more tables.C、A view cannot have an ORDER BY clause in the SELECT statement.D、A view cannot be created with a GROUP BY clause in the SELECT statement.E、A view must have aliases defined for the column names in the SELECT statement.

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第6题

Which two statements about creating constraints are true? （）A、Constraint names must start with SYS_CB、All constraints must be defines at the column levelC、Constraints can be created after the table is createdD、Constraints can be created at the same time the table is createdE、Information about constraints is found in the VIEW_CONSTRAINTS dictionary view

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第7题

Which two statements about creating constraints are true?（）A、Constraint names must start with SYS_CB、All constraints must be defines at the column level.C、Constraints can be created after the table is created.D、Constraints can be created at the same time the table is created.E、Information about constraints is found in the VIEW_CONSTRAINTS dictionary view.

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多选题Which of the following statements are true when creating NETBIOS names？ （）ANETBIOS names can only use alphanumeric characters.BYou can use a ’.’ in a NETBIOS name.CYou can use an ’_’ （underscore） in a NETBIOS name.DNETBIOS names must be UPPERCASEENETBI

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多选题Which of the following statements are true when creating NETBIOS names？（）ANETBIOS names can only use alphanumeric characters.BYou can use a ’.’ in a NETBIOS name.CYou can use an ’_’ （underscore） in a NETBIOS name.DNETBIOS names must be UPPERCASEENETBI