An advantage of a physical address pointer is thata. it points directly to the actual disk storage location.b. it is easily recovered if it is inadvertently lost.c. it remains unchanged when disks are reorganized.d. all of the above are advantages of the physical address pointer.

Q: What is a composite key? A) A key that is composed of multiple foreign keys B) A key that is…

A: Step 1:Let's take a look at all the options. A)A key that is composed of multiple foreign keys is…

Q: Which of the following is a set of rules that ensures data integrity and consistency in a relational…

A: Step 1:  A) Database Schema:While a database schema defines the structure of the database, including…

Q: Which of the following is true of structured data? Select answer from the options below Structured…

A: The objective of the question is to identify the correct statement about structured data from the…

Q: This chapter stressed the importance of data normalization when constructing a relational database.…

A: Data warehousing is a method through which an organization collects and manages the data from the…

Q: Give one example of an error that a check digit control detects.

A:

Q: The key properties of a distributed ledger are: Question 3 Answer a . Time stamped b . Mutable c .…

A: The correct options are:a. Time-stamped:Each transaction is recorded with a timestamp to establish…

Q: How does block chain make the trail of transactions permanent and who can view the block chained…

A: Blockchain can be said to be a diary or register where transactions are recorded. Every transaction…

Q: How does the Representational faithfulness is enhanced if information is free from error?

A: Accounting:   Accounting is the process of recording the financial transaction of the organization…

Q: What's the related cost of implementing database system?

A: The related cost incurred during the execution of database system: Augmented acquisition and…

Q: Payroll is often used as a good example of when batch processing by using magnetic tapes is…

A: Payroll: Payroll refers to the total amount that is required to be paid by the company to its…

Q: Networks would be inoperable without protocols. Explain their importance and what functions they…

A: Protocol:   Protocols are the rules and instruction which are formed and followed to send or receive…

Q: Expert system algorithms learr ingesting vast amounts of data

A: Expert system algorithms, such as those based on machine learning and deep learning, learn by…

Q: In a relational database, what is a foreign key? a) A key that uniquely identifies a record within…

A: In a relational database, a foreign key is a field (or collection of fields) in one table, that is…