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1. Determine the Cartesian product (A X B) of the given pair of sets.
A => Set of first letter of names of countries = A = { R, S, T }B => Set of numbers denoting Postal codes = B = { 0001, 1001}
2. Let the table below:Room TableRoomNo Hotel_ Name Ranking Rate(Rs.)10 Holiday Inn A 1700015 Avari B 1700020 Pearl Continental A 2000025 Sunfort C 16000
Illustrate the relation which will be manufactured by the following relational algebra operation:∏Hotel_Name ( Rate > 16000 (Room))
There are many kinds of relationships in a design model of a database. Why is it important to classify each of these types in an ERD Model?
A database at a college is required to support the following requirements. Complete the information-level design for this set of requirements. Determine any constraints you need that are not stated in the problem.
Implement that entity as a database table with two subtypes, Games and Movie.
Using your knowledge of the college environment, determine the functional dependencies that exist in the following?
Relational database is based on fact that data in one table can be tied, or related to data in another table. To do this, database utilizes various types of keys to form or define these relationships.
Draw an ER diagram for database scenario. Design a set of 3NF tables for your database scenario.
Suppose you have a table which contains 27,000 data records, and you have unclustered B+ Tree Index on the table.
What is it about a 200 MB video or audio file which makes it so much more of database management challenge than relational database the same size?
In 500 words or less, trace the history of the development of databases beginning with pre-computer days to the present.
Find the maximum salary of all employees who are not managers. Give all the managers in the database a 10 percent salary raise. Give all the other employees a 5 percent salary raise.
Transform the tables into one or more tables in BCNF. State the primary keys, candidate keys, and referential integrity constraints.
Energy in the home, personal energy use and home energy efficiency and Efficient use of ‘waste' heat and renewable heat sources
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