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Database Definition:
There are four basic steps involved in defining a database. They are:
i) Creating a Field Definition Table (FDT) : The possible content of data records should be determined in a Field Definition Table (FDT). This table is set up by using The Line Editor of micro CDS/ISIS. Tag number, name, maximum length, repeatability end possible sub-field identifiers are to be specified for each field.
ii) Creating a Data Entry Worksheet: The default data entry worksheet is to be compiled, Worksheet editor facilitates this job. Separate worksheets can be compiled to suit different requirements using the facilities of worksheet editor.
iii) Defining the Display/Print Formats : A default display/print format has to be specified. The output sequence and layout of the fields are to be described with the help of Print Formatting Language. This language is used throughout the system to specify field manipulations. Separate display formats can be specified as per the requirement.
Define query language? A query is a statement requesting the retrieval of information. The portion of DML that includes information retrieval is known as a query language.
Hybrid design: Pure top-down or pure bottom up approaches are often not practical thus hybrid approach which combines the above two approaches is often used.
Testing to satisfy coverage criteria that every logical path by the program be tested. Often paths by the program are grouped into a finite set of classes. Single path from every c
Software project planning entails what activities?
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Hello Sir, i want help in my assignment. UNIT name: System analysis and design
RE-ENGINEERING:- It is re-organizing and changing existing system to make them more maintainable. It includes:- Source code translation. Program structure development
How do you develop a test plan and schedule? Describe bottom-up and top-down approaches. A test plan is contract among the testers and the project team explaining the role of t
Write a C program that reads in three integers and then determines and print the largest and smallest integer among them.
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