Define several features of XQuery
Define several features of XQuery?
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Several of the features that are present in XQuery language are given below: - 1) Declarative 2) Logical and physical data independence 3) High level 4) Strongly typed language 5) Side effect free
Explain various options available in order to determine the group ID of new file?
You will need to create a BottomUpTwoThreeFourTree class, with a BottomUpTwoThreeTreeFourTree constructor which keeps no parameters. BottomUpTwoThreeTreeFourTree will require an insert(int x) method, which will insert the value 
What is an Instantiation: It is a creation of an instance of a class, i.e., an object.
I need urgent help in Examples of Threading in Java
Filter stream: It is an input-output class which filters or manipulates its stream of input- or output-data in some manner. Two illustrations are: DataInputStream and DataOutputStream.
Define the difference between write through and write back cache?
Assembler: The program employed to translate a program which is written in assembly language into the binary form of a specific instruction set.
Upcast: It is a cast towards an object's ultimate super type - which is, `up' the inheritance hierarchy towards the Object class, for example: // Upcast from VariableContr
Define the term Direct recursion: Recursion which outcomes from a method of calling itself.
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