Our tutors can help students from all over the world who might need help in any course from different study areas.
Sunrise Consultancy Sunrise Consultancy is a medium-sized consulting firm that operates 17 offices around the world (Dallas, Chicago, New York, Atlanta, Miami, Seattle, Los Angeles, San Jose, Toronto, Montreal, London, Paris, Sao Paulo, Singapore, Hong Kong, Sydney, and Bombay). They …
Assignment 5A: Western Trucking Western Trucking operates a large fleet of trucks that deliver shipments for commercial shippers such as food stores, retailers, and wholesalers. Their main headquarters building and secondary building are shown in Figure 8.17 of your …
Recommendations for Eureka According to the description of the case, there are 60 employees working in three shifts meaning 20 employees will be using the recommended system at one time. So the recommendation here are based on the needs of …
Summarize the DBA’s responsibilities for managing database structure. The responsibilities of a Database Administrator fall into two categories: Development Category: The DBA creates staff DBA function and decides the DBA group. Other responsibility is to form a steering committee and …
ummarize the DBA’s responsibilities for managing database structure. Read more »
Describe why database redesign is necessary? Database redesign involves the redesign of an existing database to make room for required changes or to make other improvements to the database performance. There is no guarantee that a database will be 100% …
What is an SQL view? What purposes do views serve? SQL view is utilized for simplification of complex joins that are used repeatedly across an SQL database. These views can be huge time savers by grouping frequently used tables in …
What is an SQL view? What purposes do views serve? Read more »
Describe two disadvantages of surrogate keys. Explain why they are disadvantages. Surrogate keys has many advantages and disadvantages. Advantages: Surrogate keys are fixed and are unique within the table they are located. When the row that the key is associated …
Describe two disadvantages of surrogate keys. Explain why they are disadvantages. Read more »
Describe the two phases in designing databases that arise from the development of new information systems. The two phases of development of databases for a new information system are: Create a data model: point out the complexities that are might …
What is the purpose of read-only databases? The main purpose of making a database a read-only is to restrict the users from modifying certain aspects of the database. For example when a database is in read-only mode, an auto-shrink, auto …
Discuss and compare the advantages and disadvantages of three databases. SQL: Advantages: It is considered to be a high speed solution. It has established standards that are followed by all SQL database developers. It also does not require a huge …
Discuss and compare the advantages and disadvantages of three databases. Read more »