LECTURER DEPARTMENT give lesson # employee id • TC ld * title * first name work in • last name # id teach in * name o description have led by * phone o email lead o map these ER diagrams on DB structures, introduce table diagrams. Explain the reason for FK selections. If constraint is needed, define it. Hocumentation is needed, explain it.

Q: LECTURER # employee id * TC ld * title * first name work in last name * phone o email DEPARTMENT…

A: According to the question Here we have 3 relationships between Department and Lecturer.  The 1st…

Q: PATIENT TEST have * date # id * TC id * first name o time belong * last name * birth date type of…

A: foreign key is used to maintain a referrential integrity between two table.where one table is parent…

Q: 1. Create an entity named Employee and Dependent and create a one-to-many mapping using JPA.…

A: Create an entity named Employee and Dependent and create a one-to-many mapping using JPA. Write a…

Q: 1. Create an entity named Employee and Dependent and create a one-to-many mapping using JPA.…

A: Create an entity Employee and Dependent and create a one-to-many mapping using JPA.

Q: Courses Has Teaches Section tem g text so that it reflects the semantics in E-R diagram above (note…

A: The statements after refering the bove e r diagram is  In a given University department, each…

Q: 5. Convert the following ERD to a relational model. SEATING RTABLE Seating ID Uses RTable Nbr Nbr of…

A: ERD(Entity Relationship Diagram) An entity relationship diagram (ERD), also known as an entity…

Q: 36. In a relation a. Ordering of rows is immaterial b. No two rows are identical c. a and b both are…

A: Given that, 36. In a relationa. Ordering of rows is immaterialb. No two rows are identicalc. a and b…

Q: QI. Comsider relation RARCDE The following fnctional dependencien are amed to hold over R ARC (What…

A: Given R(A,B,C,D,E) The following functional dependencies hold over R: A->B,C B->D a)Key of R:…

Q: 51. Physical Data Independence is ability to modify _____________ without causing application…

A: Please find the answer to the above question below:

Q: 51. Physical Data Independence is ability to modify _____________ without causing application…

A: GIVEN: 51. Physical Data Independence is ability to modify _____________ without causing…

Q: Safe Datalog Rule: A Datalog rule is of the form:p :- q1, ..., qn. where n>0 and p is a positive…

A:

Q: Convert the following Relation into INF, 2NF, and 3NF and show the functional dependencies.…

A:

Q: Use the following schema for this problem Sailors (s) → sid, sname, rating, age Boats (b) → bid,…

A: NOTE- since question has not provided any data/rows information in corresponding table so we are…

Q: Difference  between disjoint and overlapping constraints?

A: One of the constraints on a particular generalization that can be put by the database designer…

Q: Difference  between disjoint and overlapping constraints?

A: Constraints are predefined  rules and restrictions that are enforced in a single column or multiple…

Q: Define Working Set. What is the context? What are consequences of incorrect working sets?…

A: Working set:  The working set of a process of the set of pages in the virtual address space of the…

Q: 1. Create an entity named Doctor and Patient and create a one-to-many mapping using JPA. Doctor id…

A: Answer: I have given answered in the handwritten format in brief explanation

Q: he Apgar Medical group keeps a patient file for each doctor in the office. Each record contains the…

A: Given question has asked to design the logic that produces a merged list of patients' names in…

Q: Q3. Map the following relational model to an ER Model EMPLOYEE PK FK: EmpID EmpID EmpFName EmpLName…

A: Employee contains Primary key of its own entity as foreign key. Therefore the entity has relation…

Q: 5. Minimal Superkeys are called a. Schema keys b. Candidate keys c. Domain keys d. Attribute keys

A: Here is the solution which is mentioned below:

Q: "SUPERMARKET STOCK CONTROL SYSTEM" It is an application made for the employees in the Super Market…

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Q: To map these ER diagram on DB structures, introduce table diagrams . Explain the reason for FK…

A: Dear Student, Foreign Key is always required in ER diagrams having one to many relations and that…

Q: To map these ER diagrams on DB structures, introduce table diagrams. Explain the reason for FK…

A: Here we have 3 relationship between Department and Lecturer. The 1st relationship teach in is a M:N…

Q: Person Name Date_of_Birth Private_Car Car VIN Model Туре Owner ID Rent Start Date VIN Person ID…

A: The given assignment is related to database where the dependency diagram is given and the…

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A: Given data G: Race conditions can be occurred in any computer program. Consider a group of two…

Q: Consider the following ERD. Draw the Logical schema for the ERD. Underline the primary keys. (IName…

A: The Answer is

Q: PLEASE TYPE IF NOT TYPE THAN DO NOT DO IT*** DO ALL 3 (B VIA D)**** Exercise 8.4.1: Composition of…

A: Given :     Here are two relations defined on the set {a,b,c,d} S={(a,b),(a,c),(c,d),(c,a)}…

Q: Given the business rule "An employee may have many degrees." Suppose that an employee has the…

A: EXPLANATION Below is the answer for the given question. Hope you understand it well. If you have any…

Q: 114. A tool that can help designers understand the dependencies of database structures is a: a.…

A: Given data: A tool that can help designers understand the dependencies of database structures is…

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Q: Let R(a, b, c), S(a, b, c), and T(a, b, c) be three relations. Write one or more Datalog rules that…

A: Let R(a, b, c), S(a, b, c), and T(a, b, c) be three relations. Write one or more Datalog rules that…

Q: 2.Given the following database in Figure 1 Employee(ssn:int,name:string.jobTitle:string)…

A: Entity Relationship Diagram (ERD) or Entity Relationship Diagram (ERD) is a diagram that shows the…

Q: a) A computer program consists of five modules M1, M2, M3, M4, and M5. A relation R on the set of…

A: Given:

Q: Consider the relational schema for a library system as given below: Member (mem _no, name, dob)…

A: Answer i)- select * from Member m where m.mem_no not in(select b.mem_no from Borrowed b);     Answer…

Q: Ch. 4-problem 3: Given the business rule “an employee may have many degrees,” discuss its effect on…

A: Step 1:- Note:- I am giving the solution to problem 3. Given:- The employee table is given below…

Q: Implement and produce a UML Use Case diagramfrom the following list of a Library System: Actors…

A: We have two main actors in our system: Librarian:  The person who is mainly responsible for adding…

Q: PQ → TY ii. P → QR iii. QST → R iv. STR → P   From the above functional dependencies, using…

A: Given:- i. PQ → TY ii. P → QR iii. QST → R iv. STR → P   From the above functional dependencies,…

Q: Computer Science I need help creating an ERD and DFD for a sample medical office. I stărted making…

A: Answer : ERD of above sample is :

Q: Given the relations CLASS(ClassID, Cycle, T'eachinghours) and STUDENT(StudentID, ClassID, StudName).…

A: Concept used:- master child relationship using primary key and foreign key.

Q: d the student of the New York College. But this has several lo 0,2,3 2. ering Student elow is the…

A: Given:

Q: Write only the relational schema for 1s* and 2nd Normal Forms based on the following records.…

A: A relational database consists of tables. Tables contain rows and columns and are also known as…

Q: database Assume that you have the following relation; R(a,b,c) a   b  c ---------- 1  A   F 2…

A: Given: database Assume that you have the following relation; R(a,b,c) a   b  c ---------- 1  A   F…

Q: Consicer the foloning cata satie named Student Student ane Nuber Sex Nina Mike Nelson 1234 N 234…

A: The image is not much clear but I am giving an answer for 4 cases and it should be definitely one of…

Q: 113. The template conclusion is a set of tuples that must be included in the relations in the…

A: Please find the answer to the above question below:

Q: Mpapercode studentid e given database schema you are re of the Student, Department and the t in them…

A: In SQL to create a database table we have to use CREATE TABLE statement and to add constraints we…

Q: INTRODUCTION: In this assignment, you will demonstrate using a database with a menu based program…

A: Solution ::  Let's see first what is database called ?  Answer ::  A (computer file full of…

Q: alued attributes in that

A: Step 1: A multi-valued attribute of an entity is one that can have multiple values associated with…

Q: Balanced tree is one of the data access techniques in database. How does it work? How data can be…

A: Actually, given question regarding balanced tree.

Q: Balanced tree is one of the data access techniques in database. How does it work? How data can be…

A: A database a set of data or a table of data that is stored in a computer server or storage and the…

Q: Suppose you are involved in developing a database system for the ticket booking database of ABC bus…

A: The solution for the above given question is given below: