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#question.what is mapping constraints and types?.
Determine the Other System Design Issue How to realise subsystems; through hardware or software? How is object model mapped on chosen hardware software? Mapping
Insulation between conceptual and physical structures It can be defined as: 1. The Database Administrator should be capable to vary the storage structures without affectin
what problems are raised by the database? why is it so controversial? why is data quality an issue?
What is a function group? A function group is a collection of logically related modules that share global data with every other. All the modules in the group are contained in
Create a view emp_dep containing e_name and number of dependents from the tables employee and dependent of (i) CREATE VIEW emp_dept AS SELECT ename, COUNT(*) FROM employee, dep
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
Problem 1. Describe the following a) Advantages of Database Systems b) Functions of a DBMS Explanation of part (a) and (b) 2. Explain the following concepts w
Sequential File Organisation The most necessary way to organise the collection of records in a file is to use sequential Organisation. Records of the file are stored in series
find a name whose address is erode from student table
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