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Developer is required to do a task including:
- Database Normalization
- Database Analysis
- ERM Diagram
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Skills required are Business Analysis, Database Administration
i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
Explain the ANSI SPARC architecture The three-schema architecture is as well known as ANSI SPARC architecture. The aim of the three-schema architecture is to separate the user
Give an example of multiple inheritance. One example of multiple inheritance is a committee for students affair which include faculty and administrative staff member.
What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
Every simple attribute of an entity type have a possible set of values that can be attached to it. This is known as the domain of an attribute. An attribute cannot have a value out
With the help of an example display how records can be deleted and updated in QBE. (i) Increase Pay_Rate of employees along with the skill of ‘cook' by 10%. (ii) Delete employee
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