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Problem
Explain at least five relational algebraic operators with a suitable example.
Note: All the above descriptions should be done by taking at least two examples from outside (Other than the text book examples)
What are the two integrity rules? Ans: The two integrity rules are: Entity Integrity Rule & Referential Integrity Rule. Entity Integrity Rule - If the attribute A of rel
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
CAR SALE (Car_id, Option_type, Option_listprice, Sale_date, Option_discountedprice) This relation refers to options installed in cars (e.g., cruise control) that were sold at a de
What are segments in oracle? Segments - Each table has single field of disk space, known as segment, set aside for it in the tablespace. Segments consist of contiguous sections
What are the reasons for having variable length records? What are the various ways to store variable length records? Variable-length records arise in a database in various wa
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
What is a Name? A user-supplied name is used for identity. This form of identity is used for files in file systems. The user gives every file a name that uniquely identifies it
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
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
Project Description: I would like to get a database of a website which has clients email name and phone number. If you are able to get information from a website, by entering
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