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Given the subsequent relations:
vehicle (reg_no, make, colour)
Person (eno, name, address)
Owner (eno, reg_no)
Write expressions in relational algebra to answer the subsequent questions:
(i) List the names of persons who do not own any type of car.
(ii) List the names of persons who own just only Maruti Cars.
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
Let us first describe the term relationships. What Are Relationships? A relationship can be defined as: A set of associations or connection, or A rule for communic
In this programming assignment, you will develop a simple database of student records. Here are the requirements: 1) A student record contains a name and a number. We assume tha
Before we talk about the relational model in more detail, let us first define some very basic terms used in this model. Tuple Every row in a table shows a record and is cal
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
Fourth Normal Form (4NF) When attributes in a relation have multi-valued dependency, further Normalization to 4NF and 5NF are needed. Let us first find out what multi-valued d
This report identifies and outlines my CIS 499 project named Traffic Data Management Systems (TDMS) . My goal is to design a replica of all traffic issues to be implemented i
Hashed File Organisation Hashing is the most common form of purely random access to a database or file. It is also used to access columns that do not have an index as an optimi
3 assignments combined in 1
explain in detail about crash recovery
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