A weak entity set depends on another entity set for all or part of its key. Select one: O a. False b. True

Q: n the attached diagram, which of the following statements are true?       primary key for section…

A: Weak entities are represented with double rectangular box in the ER Diagram and the identifying…

Q: Create an E-R model for the following scenario. Show entity names, primary keys, attributes for each…

A: We need to create ER diagram for above case studies See below step for diagram.

Q: Answer the following questions: 7. Provide the attribute closure of set of attributes C (hence, C+)…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost the remaining…

Q: QUESTION 6 There will be three tables after converting the following conceptual diagram into the…

A: 6)  Answer :-- False It will converted into two table table A with two fields named field1 and…

Q: Question1: Consider the Entity Relational (ER) schema of relation R= (A, B, C, D, E(E1, E2));…

A: Since this question has multiple subparts we will answer only three. If you want any specific…

Q: A, B are items at the higher level of the concept hierarchy, A1, A2 are the only subcategories of A…

A: Confidence –A confidence of 60% means that 60% of the customers, who purchased milk and bread also…

Q: Where you can apply all the normalization rules to attributes. Furthermore, you also need to explain…

A: Normalization Rules Normalization rules for entity-relationship diagrams are based on (and are…

Q: Describe the most comm on way in which relationshipsin an E-R diagram are expressed in a…

A: Describe the most comm on way in which relationshipsin an E-R diagram are expressed in a…

Q: Given the basic ER and relational models, which of the following is INCORRECT? A An attribute of an…

A: Option (c) is the INCORRECT option

Q: for part of a BANK database. Consider the ER diagram shown in . Each bank can have multiple…

A: The list of non - weak / strong entity types in the ER diagram are as follows:  • LOAN • CUSTOMER •…

Q: Can cardinality between individuals be translated/read from both ends of the notation while dealing…

A: The answer to your question Can cardinality between individuals be translated/read from both ends is…

Q: nvert the following ERD in Chen's notation to an ERD in IE notation. All entities, attributes, and…

A: The answer for the given question is as follows

Q: 3. Translate the E-R diagram into a relational model stating all tables, their primary keys,…

A: Solution::   An Entity Relation diagram is mention in the above given question       Need to…

Q: Extract and write down the DB Schema for the following E-R Diagram. You need to write the name,…

A: Terminology used in this E-R diagram:

Q: Give an example of how the distinction between a candidate key and an entity type identifier is…

A: Entity Identifiers: Entity IDs are critical properties that are used to uniquely identify each…

Q: Relationship Type? (M:1, 1:1 etc) and Relationship trength? .What are the Cardinalities in the…

A: Q)1)Relationship Type: One-to-One Relationship One-to-Many or Many-to-One Relationship Many-to-Many…

Q: 1. Complete the following table with the correspondent statements: stmple entity, weak entity,…

A: Given is a ER diagram. ER diagram consists of Entity, Relationship and attributes. Each entity has a…

Q: 4. What is the difference between the natural join RS and the theta-join RC S where the condition C…

A:

Q: QUESTION 4   For the following collection of entities, give the assumptions concerning the…

A: Given entities: ORDER (order#, ordDate, cust#, cName ) ORDER_PART ( order#, part#, quantity )  PART…

Q: Use the following ERD (showing only entities, not their attributes) to answer the following: a. How…

A: Hey there, I am writing the required solution of the above stated question.Please do find the…

Q: Design an Entity-Relationship for each system described below. Use the (min,max) notation. State…

A: An entity is the relationship model which describes the interrelated things in a domain. A basic ER…

Q: Should the cardinality between entities be translated/read from both ends of the notation when…

A: Cardinality: Cardinality refers to the maximum or lowest number of components that may be used on…

Q: lame the THREE (3) components that are considered to be part of any data Comment on the extent to…

A: Lets see the solution.

Q: Choose all of t correct answers for each of the following: Consider the relationship R between two…

A: Since you have asked multiple question, we will solve the first three question for you. If you want…

Q: We can convert any weak entity set to a strong entity set by simply adding appropriate attributes.…

A: Explanation: Weak entity set avoids the data duplication and consequent possible inconsistencies…

Q: By simply adding relevant properties, we may turn any weak entity set into a strong entity set. So…

A: Answer: We must first understand what a weak entity set is. Insufficient entity set definition:…

Q: Choose correct answers for each of the following: Consider the relationship R between two entity…

A: As per our company guidelines we are supposed to answer only first 3 sub parts. Kindly repost other…

Q: In an entity-relationship model, which of the following is a kind of attribute that should have some…

A: Required attribute is an attribute that must have a value in it. hence, it can not be left empty.

Q: Consider an E-R diagram containing 2 strong entities A and B. The cardinality ratio between the two…

A: Minimum number of tables required are 4

Q: نقطة واحدة Consider a directed line(->) from the relationship set advisor to both entity sets…

A: In a one-to-many relationship, one record in a table can be associated with one or more records in…

Q: The cardinality ratio depends on the real-world meaning of the entity types involved and is defined…

A: 1. Student can only one social Security number while a social Security number can belong to only one…

Q: Exercise 3.11 Suppose that we have a ternary relationship R between entity sets A, B, and C such…

A: Sql query find below !!

Q: Can cardinality between individuals be translated/read from both ends of the notation while dealing…

A: Cardinality: Cardinality refers to the maximum or minimal number of elements that may be included on…

Q: 13. An unnormalized table means that: a. it has repeating groups. b. it has partial and transitive…

A: Answer: (B) it has partial and transitive dependencies. A connection that contains recurring values…

Q: single instance of the entity?  There must be a maximum of one attribute instance. There must be…

A: Below are the correct options:  There must be a maximum of one attribute instance. There must be at…

Q: Should the cardinality between entities be translated/read from both ends of the notation when…

A: Introduction: Cardinality: Cardinality refers to the maximum or lowest number of components…

Q: ked this question on Bartleby but didn't get a

A: Relationships in dbms helps to establish links between entities so that the link do not have to be…

Q: Choose the resultant relation(s) after transforming the below ERD. A2 A1 A3 ENTITY A Rel O A.…

A: A relationship between two entities of a similar entity type is called a recursive relationship.…

Q: Translate the following ER Diagram into relational model. Show different relations that will result…

A: Please find below the relational model for the ER diagram mentioned above: Newspaper (newsPaperID…

Q: QUESTION 23 Given the relation R(V, W, X, Y, Z) and functional dependencies: • VY -> Y • W-> XZ • VY…

A: The given relation is in First normal form. As the only candidate key for given relation is VY.…

Q: am to simple text that anyone understand it without entities , attributes or relationshops word.

A: The above ERD shows the personal vehicle features and activities if we are having a personal for…

Q: Create ER duagram of the foloowing information and also find entity identification, Rekationship…

A: For the given scenario the ER diagram has…

Q: Consider the following E/R diagram with isa relationships, noting that attribute a is the key of R.…

A: Answer: option4 (T(a,b,d))

Q: relationship between entities and attributes.

A: EMPLOYEE(EMP_NUM, EMP_LNAME, EMP_INITIAL, EMP-DOB) Here, primary key = EMP_NUM DEPENDENT(EMP_NUM,…

Q: What is the degree of relationship?Give an example of a relationship of degree three

A: DEGREE OF RELATIONSHIP -  The particular number of type of entities which participate into a given…

Q: How many valid keys are in the following model? A Fully trusted entity Partially trusted entity B C…

A: Given:

Q: Question 3 Discuss in detailed explanation that the concept that an attribute that is part of a…

A: The concept that an attribute that is part of a composite primary key is also a candidatekey:

Q: is a piece of information used to describe an entity. a. Attribute b. Associative Entity Cardinality…

A: Answering 4 and 5.  According to the policies I can't solve multiple questions in one question…

Q: Map the ER diagram to its correspond relational model, identify the relationship and map the…

A: As per the guidelines we are supposed to answer only one question. Kindly repost the other question…

Types of Security Models

The security models are specifically defining the relationship of operating system performance with the information security models. The effective and efficient security models secure the sensitive and relevant information or data of the organizations. The security policy is verified by using the information security models. They deliver a precise set of directions to the computer to follow the implementation of vital security processes, procedures, and concepts contained in a security program. They define the security concern in information threads.