Consider the following table in a relational database. Last Name Rank Room Shift Smith Manager 234 Morning Jones Custodian 33 Afternoon Smith Custodian 33 Evening Doe Clerical 222 Morning According to the data shown in the table, which of the following could be candidate keys of the table? a) {Last Name} b) {Room} c) {Shift} d) {Rank, Room} e) {Room, Shift}

Q: Display the list of students who are involved in the IT club Display the details of all the…

A: First get the studid from Club table and then get those Student details This can be done using inner…

Q: C. Assume the following sample of data : Тeam TeamID 1001 | 1002 1003 | 1004 City Win TeamName…

A: Hey there, I am writing the required solution based on the above given question. Please do find the…

Q: (b) From the below given tables: Student SID 1 2 3 4 Dept-ID CS IT DS (i) Grade Name Abdullah 95…

A: Relational algebra is a formal language used to query relational databases. It is a set of…

Q: The following figure is part of a university database. LNAME and FNAME stands for last name and…

A: Project operation (denoted by pi (∏) symbol) is used to select desired columns (or attributes) from…

Q: List the player ID and player name of all the players older than 25 years old (included) and playing…

A: We are going to display player_id an player_name who are above than 25 years and their position is…

Q: 4. In a company, employees involved in many projects, and each project may have many employees…

A: Please refer below for your reference:

Q: Please convert this eerd to relation

A: Given Entity relationship diagram contains Defendant, Case and Plaintiff entities. Each entity…

Q: Course • Courseld CourseCode CourseName Capacity Instructorld 3815 ENGL862 American Literature 75 2…

A: The question requires us to write a SQL query that will return the details of instructors who teach…

Q: The first requirement: Using the SQL language, transform the following entity model into tables in…

A:

Q: The data in this table is as follows: Team Dragons The latest scores from the Japanese Baseball…

A: The correct answer is given below with explanation

Q: SQL: Consider the following relational schema:              Staff                 (staffNo, name,…

A: SQL stands for Structured Query Language. It is a standard programming language used to manage and…

Q: Consider the following sales relational database schema for sales.   Item (ItemNo: integer,…

A: SELECT          i.itemName,         i.type      FROM item i     INNER JOIN Sales s          ON…

Q: In Database Design and Concepts, how would I write a query for the following problem:  If a customer…

A: First we have to filter out the data where invoice amount more than 700 Then we have to group the…

Q: Question 4 (Q4.sql): Use E/R style conversion for subclass DeptID: varchar(20) Departments…

A: The information from the given ER diagram: Departments: Name: nvarchar(50) DeptID: varchar(20)…

Q: How many patients in the database have been diagnosed with acute bronchitis (ICD9Code = 466) and…

A: Count Query :- SELECT COUNT(column_name) FROM table_name WHERE condition; Groupby Query :-…

Q: Create a PL/SQL database programming block with DECLARE BEGIN   END; In Declare section define…

A: Below is the PLSQL block code:

Q: A relational database has the following schema: Customer (Cno, name, address, age, loan_type,…

A: Sigma operator is used for selecting record. Project operator