You were just hired by an airline industry to create a database to record the various airlines and the pilots that work for them Discussions with the industry representatives focused on two initial entities, Airlines and Pilots; the following key points were agreed: 1. Each pilot is assigned a unique PilotID. 2. Each AirlineID is … Read more
Write a 3 page paper comparing SQL and NoSQL Database for Big Data. The paper should answer the following: 1. What are the SQL and NoSQL databases. 2. Use cases of SQL and NoSQL database. Differences of SQL and NoSQL databases. 3. Four types of NoSQL database. Give example of each database. Use case of … Read more
I have attached two files on which you have to work on. In this, you have to solve the queries given in the document. I have the database which has tables. the queries are in the word document. So please solve the queries.
(1. You need to write carefully considered, grammatically correct, thoughts, Use references where appropriate, Do not plagiarize!! The result of your work will be contained in one word document that contains timestamped screen shots when appropriate. It will be run through safeassign to detect plagirism. Plagiarism will be rewarded with a zero score.) Normal Forms: … Read more
Discuss the role played by a scheduler in ensuring the serializability of transactions. Discussion Guidelines You must provide an original response of 300+ words of your own Printed Textbook: Database Systems: Design, Implementation, and Management, 13th edition, Coronel and Morris.
Discuss the factors affecting the purchasing decision for DBMS software. Provide an example of context-dependent prioritization of the relevant criteria. Discussion Guidelines You must provide an original response of 300+ words of your own. Required Materials and Textbook(s) • Printed Textbook: Database Systems: Design, Implementation, and Management, 13th edition, Coronel and Morris.
At Melissa’s Boating Emporium, Melissa rents different kinds of boats to their customers: jet skis, skiffs, and pontoons for a day. All boats will have a specific daily rental rate. Melissa needs to manage the following pontoon information: Registration Number Name (each pontoon is named uniquely) Manufacturer Length Capacity (i.e., how many people they … Read more
please answer below questions(Plagiarism applies) What is a data model? What is a high-level conceptual data model? What is an entity? An attribute? A relationship? List and briefly describe the common record-based logical data models.
Discussion how the key and foreign key constraints can be enforced by a DBMS? Is the enforcement technique you suggest difficult to implement? Explain. Explain how constraint checks can be executed in an efficient manner when updates are applied to the database. 300 words, APA7 format
A relation is a table structure definition (a set of column definitions) along with the data appearing in that structure. The structure definition is the heading and the data appearing in it is the body, a set of rows. Give a definitiion for a relation – as originally described by E.F. Codd (1970). Also provide a definition of … Read more