单选题which one of the following is an @fuction that Lonnie can use to return the value from a specific field?()A @value B @getfield C @GetItemVale D @getfieldvalue

单选题
which one of the following is an @fuction that Lonnie can use to return the value from a specific field?()
A

 @value 

B

 @getfield 

C

 @GetItemVale 

D

 @getfieldvalue


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相关考题:

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单选题You work as an application developer at Certkiller .com. You are currently in the process of creating a class that stores data about Certkiller .com’s customers. Certkiller .com customers are assigned unique identifiers and various characteristics that may include aliases, shipping instructions, and sales comments. These characteristics can change in both size and data type. You start by defining the Customer class as shown below: public class Customer { private int custID; private ArrayList attributes; public int CustomerID { get {return custID;} } public Customer (int CustomerID) { this.custID = CustomerID; this.attributes = new ArrayList (); } public void AddAttribute (object att) {  attributes.Add (att); } } You have to create the FindAttribute method for locating attributes in Customer objects no matter what the data type is.You need to ensure that the FindAttributemethod returns the attribute if found,and you also need to ensure type-safety when returning the attribute.What should you do?()A Use the following code to declare the FindAttribute method: public T FindAttribute (T att) {//Find attribute and return the value }B Use the following code to declare the FindAttribute method: public object FindAttribute (object att) {//Find attribute and return the value }C Use the following code to declare the FindAttribute method: public T FindAttribute  (T att) {//Find attribute and return the value }D Use the following code to declare the FindAttribute method: public string FindAttribute (string att) {//Find attribute and return the value }

多选题Which two statements are true regarding single row functions?()AThey accept only a single argumentBThey can be nested only to two levelsCArguments can only be column values or constantsDThey always return a single result row for every row of a queried tableEThey can return a data type value different from the one that is referenced

多选题Which two statements about sequences are true?()AYou use a NEXTVAL pseudo column to look at the next possible value that would be generated from a sequence, without actually retrieving the value.BYou use a CURRVAL pseudo column to look at the current value just generated from a sequence, without affecting the further values to be generated from the sequence.CYou use a NEXTVAL pseudo column to obtain the next possible value from a sequence by actually retrieving the value from the sequence.DYou use a CURRVAL pseudo column to generate a value from a sequence that would be used for a specified database column.EIf a sequence starting from a value 100 and incremented by 1 is used by more then one application, then all of these applications could have a value of 105 assigned to their column whose value is being generated by the sequence.FYou use REUSE clause when creating a sequence to restart the sequence once it generates the maximum value defined for the sequence.

多选题Each port that is configured to use LACP has an LACP port priority. Which statements are true about LACP port priority? ()APort priority value can be configured between 1 and 65535.BA higher port priority value means a higher priority of LACP.CPort priority can be configured so that specific links can be chosen as active links rather than the hot standby links within the port channel.DLACP uses the port priority with the port number to form the port identifier.ELACP Port priority default value should always be changed