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Assuming that all the tables have been created as given in the relational schema, write SQL code to make the following changes in the structure of the tables:
(i) Make the employee_id the Primary Key of the EMPLOYEES table
(ii) Make the department_id and the manager_id the foreign key of the Employee table assuming that the department_id has been declared as the primary key of the DEPARTMENTS.
(iii) Add a check constraint in the Job_History table so that the end_date will always be greater than the start_date.
(iv) Add a unique constraint in the Employee table so that each employee will have a unique email address.
Creating the Field Selection Table (FST) : Entering of data and creating indexes for searching is a very important feature associated with any information storage and retriev
Write a report which critically analyses the system design process of a project. Projects might include designing a light rail network for a city, more environmentally-conscious bu
Describe Equivalence Partitioning Ans) Input data of a program is separated into different categories so that test cases can be developed for every category of input data. The g
what is behavioral modelling?
Q. Differentiate between object oriented and function oriented design. Ans: • Function-oriented design depend on identifying functions which transform their inputs to create
What is performance testing? Performance testing is intended to test the run-time performance of software within the context of an integrated system.
What are the functions of data architecture? It gives the information needed for a business function. Recognize the data objects and their relationship. Eg: Custome
Explain about the software testing strategies. A method approach to software testing. Verification and Validation. Verification refers to the set of activities that ma
Software Project Management 1. What is black box and white box testing techniques? 2. Describe different roles of the software development? 3. List out different project
What is Validation represent? Validation means a set of deeds that ensure that the software that has been built to satisfy the customer requirements.
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