Explain the major elements of the ADO object model
Explain the major elements of the ADO object model and it’s used?
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Connection: Used to create a connection among your app and an external data source, that is sql server.
Command: Used to make queries, with user-specific parameters, to access records by a data source (that is returned in a Recordset)
Recordset: Used to available records returned by an SQL query. Along with a recordset, you can navigate returned records. That is, you can also add, change or delete records.
Data type: It is a specifier to build memory block of some particular size and kind. C++ provides two kinds of data types: A) Fundamental type: That is not composed
UTF: Universal Character Set (abbreviated as UCS) Transformation Format. The format for symbolizing multibyte characters which is compatible with programs and file systems which were only made to handle single byte characters.
Aggregation: It is a relationship in which an object has one or more other subordinate objects as portion of its state. The subordinate objects usually have no self-governing existence separate from their containing object. Whenever the containing obj
Define the term XQuery?
1. Here is a short program. It prints out the value of a variable "x". Ernie and Bert disagree about what will be printed: Ernie says, the value gets changed in "changeX" so it will print "7", and Bert says, no, when the function exits the changes get reversed and the value goes back to "5". Expl
Coupling: Coupling occurs whenever classes are aware of each of other as their instances should interact. The linkage between two classes which might be either weak or strong. Stronger coupling occurs whenever one class has a thorough knowledge of the
How do certifying authorities save their Private Keys?
Swapping: An {operating system} is frequently able to run programs which need more memory than is physically accessible on the host system. In order to do this, the complete memory needed is broken down into smaller pieces that are swapped in whenever
Octal character constant: It is a character constant in the form of \ddd, where each d is an octal digit. This might be employed for characters with a Unicode value in the range of 0 to 255.
'CORBA was designed to allow high performance distributed applications to be written’. Discuss. Definitely, ’CORBA was designed to allow high performance distributed applications to be written’ because it provides:
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