Determinant in an entity or table is a field that     depends on other fields     determines other fields     determines the price for a product     is not necessary in a table

Q: Describe the characteristics of an associative entity.

A: The topic under examination is the concept of an associative entity in the realm of database design…

Q: Define each of the following terms: i. virtual table

A: In this problem, we will discuss about the term virtual table. I am explaining it in context of C++…

Q: An attribute is a descript­ive property of an entity.

A: An entity is a “thing” or “object” in the real world that is distinguishable from all other objects.…

Q: base de

A: A super-type is a type of generic entity that is related to one or more sub-types. A subtype is a…

Q: An organized collection of values that may be used for data together with a set of operations that…

A: An organized collection of values that may be used for data together with a set of operations that…

Q: What types of information would you store in an entity subtype?

A: Entity Subtype Entity subtypes are entered into the ER model in order for decreasing the total…

Q: Using the following Relational database Schema write queries to retrieve the specified information.…

A: here i write simple query to retrieve all tuples from song table:…

Q: TEAM DRIVER Belongs To He Team ID Team Name Team Manager Driver ID Driver Age Driver Name Convert…

A: Solution is given below :

Q: represent a single data item in a table Tuples O Attributes Relation All of the above O O O O

A: Answer the above question are as follows

Q: Explain the concept of a business rule and how it relates to database design.

A: Introduction: The Business Rule and its Implications for Database Design :

Q: A property that specifies the nature of an entity is called an attribute

A: In the real world, an entity is a "thing" or an "object" that can be recognized from all other…

Q: This feature of a database insures that each row in a table is unique. Group of answer choices…

A: Unique constraints are valuable for maintaining data integrity and ensuring that important data…

Q: Disadvantages of querying relational databases when gathering information to support a…

A: A relational database is defined as the collection of information which can organize data in…

Q: Contrast among the following; Primary key; Composite key Relation; Relationship

A: Data Base Management System: Data Base Management System also abbreviated as DBMS is a software that…

Q: Draw an ER diagram that represents the main aspects of the Apple products database (entities,…

A: ER (Entity Relationship) diagram contains mainly three components that are Entities, Attributes and…

Q: ERD and Keys A contractor’s main entities are its customers, employees, projects, and equipment. A…

A: The entities used in ER Diagram are: CUSTOMER EMPLOYEE EQUIPMENTS PROJECT The attributes for the…

Q: Explain the terms: Entity Attribute Types of relationship Cardinality  Optionality. I NEED…

A: Entity: - Any existing real word object is an entity in the Database. Each entity has attributes,…

Q: Using the figure in previous problem, list each entity and state what foreign key, if any, would be…

A: In the previous answer, we have identified the business rules. Now we will identify the foreign key…

Q: The "Annual_Sal" attribute in the "BOOK" Entity type is considered as:

A: ER diagram is also called as the Entity Relationship diagram. In the above ER diagram BOOK is the…

Q: Briefly discuss the properties of a relation.

A: A relation in database administration is a table with rows and columns. Understanding how a relation…

Q: What is the term used to describe a non-key attribute in one entity that points to the primary key…

A: This is used to establish relation between two tables

Q: Represent the company description as an ER-diagram, including all relevantconstraints as the…

A: ER-Diagram:- Data structure diagrams (DSDs), which emphasize interactions between elements within…

Q: What is an entity?

A: Entity An entity is an object that exists. It can be a single thing, person, place or object.

Q: what is another term for an entity unique identifier? a) local key b) primary key c) association…

A: The correct answer is given below with proper explanation Happy to help you ?

Q: Advantages of querying relational databases when gathering information to support a semi-structured…

A: Semi-structured data is information that does not reside in a relational database but does have some…

Q: Instructions: Create a dimensional model for a particular business process involving gym membership.…

A: Gym and Spa Area Plans answer extends talents of the architects, designers, engineers, builders,…

Q: How does a database differ from a relation?

A: Answer : The main difference between relation and relationship in DBMS is that relation refers to a…

Q: Databases: Give six important properties of relations.

A: The six important properties of relations are as follows:   Values are atomic. Column values are of…

Q: The ISBN in the image below for "BOOK" Entity type is considered as:

A: Required: The ISBN in the image below for "BOOK" Entity type is considered as:

Q: Using the following E-R diagram, create a set of 3NF relations. Create all primary keys and nonkey…

A: Given diagram contains three entities, and consider attributes for each entity as below: School:…

Q: in process specification To create a decision * table it is necessary to list all external entities…

A: A decision table is a tabular representation of program logic. It displays all conditions affecting…