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Explain forms based and graphical interface?
Forms based and graphical interface: graphical user interface (GUI) is a kind of user interface which permits people to interact along with electronic devices such as computers, hand-held devices (MP3 Players, Portable Media Players, and Gaming devices), household appliances and office equipment. A GUI offers graphical icons, and visual indicators as opposed to text-based interfaces, typed command labels or text navigation to completely represent the information and actions available to a user. The actions are commonly performed through direct manipulation of the graphical elements.
For each m:n relationship type R, we make a new table (say S) to represent R. We also contain the primary key attributes of both the participating entity types as a foreign key att
Compare wait-die deadlock prevention scheme with wait-wound scheme Ans: Wait-Die Scheme a) Based upon a nonpreemptive technique. b) If Pi requests a resource present
Explain the paths in the association network We can analyze use of paths in the association network as given below: Calculate each operation Find associations whic
What is meant by log-based recovery? The most widely used structures for recording database changes is the log. The log is a sequence of log records, recording all the update a
Question 1 Discuss about second normal form and third normal form Question 2 Write short note on 1) Data Manipulation Language 2) Data Definition La
Lost Updates : Suppose the two transactions T3 and T4 run simultaneously and they happen to be interleaved in the following way (suppose the initial value of X as 10000):
What are three components of the schema architecture proposed by ANSI/SPARC? The three component schema architecture proposed by ANSI/SPARC is as given below: External sche
why older data models are being replaced by new data models.
A set of possible data values is called? A set of possible data values is called as domain.
Can you help me with the following: Drop statements for all objects in the lab project. Create statements for all objects of the lab project Create indexes for foreign keys Cre
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