create a Relational Schema by mapping

Q: l courses taught - call these attributes: ID, name, and tot_courses. If the instructor already has…

A: Mysql database scripting is used for explanation: create a table called instructor_course_nums (…

Q: Material : Relational Algebra Course : Database Systems Create a Relational Algebra From Entity…

A:

Q: fferentiate between left outer join and right outer join with respect to their functionality and…

A: Joins:     A SQL Join statement is used to combine data or rows from two or more tables based on a…

Q: . database by graphically or by using query. 3. Create table in your database by graphically and by…

A: The database is an organized collection of structured records or data and these data are retrieved,…

Q: Metadata about the relations are stored in ________ a. File header b. Data dictionary c. Data query…

A: Given that: Metadata about the relations are stored in ________ a. File header b. Data…

Q: Cosider the below given relational database model of Ticket Booking Application to develop an SQL…

A: What is sql? SQL is a domain-specific language used in programming and designed for managing data…

Q: The relational schema shown below is part of a hospital database. The primary and foreign keys are…

A: It is defined as Structured Query Language, which is a computer language for storing, manipulating…

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: Write the Program in APEX using Salesforce Object query Language to Fetch Accounts and their related…

A: Required    Write the Program in APEX using Salesforce Object query Language to Fetch Accounts and…

Q: Question#4 Answer below question, considering the relational database as represented in the…

A: Attaching the query:- Explanation:- In this we have to find all those customers with bank account…

Q: e an MVC vweb application having the index view given below. Given ated from the model book having…

A: Note: Since you have not provided the language to write the code, I am using Java language to write…

Q: What are the main operations of a relational DMBS

A: As per the question statement, It is asked to list the main operations/functions of a relational…

Q: In this project, you will design and implement a database for keeping track of information about a…

A: The entities identified based on the given requirements and its business rules are :- • CUSTOMER •…

Q: Design the relational schema of your application based on your ER/EER representation

A: ER diagram consists of mainly 3 components, that are Entities, Attributes and Relationships. Given…

Q: | functional dependencies, normalize the original and all re to use proper relational notation:…

A: Step by step with explanation is given below

Q: Assignment III (5%): Design of the conceptual model (ERD) from the given relational database. (Note:…

A: increase all employee salary by 15% along with department ID, and display all employee data.- Here…

Q: how to create a metadeta fore this SQL script: -- creating the clinic DataBase CREATE DATABASE…

A: Answer is given  below.

Q: e a 1NF relational schema and identify the partial and transitive dependencies. b)Write the…

A: )Write a 1NF relational schema and identify the partial and transitive dependencies. b)Write the…

Q: Cosider the below given relational database model of Ticket Booking Application to develop an SQL…

A: An RDBMS is a type  database management system that…

Q: Construct an appropriate SQL query (Create Table) for the following i. Member ii. Make

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

Q: An attribute in the context of a rela latabase may be defined as: A Something about which data B A…

A: Please find the answer below :

Q: upleads wp d Has med title med id wp name med name upid date img desc img id img type ven database…

A: Syntax for creating table: CREATE TABLE (Attribute1 datatype1(size1), Attribute2 datatype2(size2),…

Q: 9. Which one of the following may be specified both in a WHERE Clause and a FROM Clause. a) a…

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

Q: a) Choose a database application with which you are familiar. Design a schema and show a sample…

A: Given information, Given a schema diagram and sample database in Figure 1 and Figure 2. It is…

Q: Database design Design your database using ERD convert your ERD to Relational Model (RM) Normalise…

A: Database design has been developed  for a customer order system as a scenario. Primary keys are…

Q: Explain the distinction between an inner and an outer join.

A: The join clause is a special keyword in SQL (Structured Query Language), which is used to combine…

Q: A car-rental company maintains a database for all vehicles in its current fleet. For all vehicles,…

A: For this problem, table inheritance will be used. Suppose that Color, MyDate, and DriveTrainType are…

Q: PART I: DATA DESCRIPTION LANGUAGE (DDL) 1) Write DDL commands to create the four tables without any…

A: the answer is given below :

Q: A USE statement __________     None of these     Identifies the database within which the query is…

A: D. All of these.

Q: 1A. Consider the bank database schema as below. loan (loan_number, branch_name, amount) account…

A: Solution is given below :

Q: PLZ help with the following: Using Oracle SQL Translate your ER diagram into a relational schema…

A: E-R diagram is given where different entities and attributes are given from this we will create SQL…

Q: 2. Explain the difference between a partial and a total function. 3. Explain the difference…

A: Ans1.) Set:- A set is a representation of a group of items, each of which has one or more common…

Q: Hi,  For this proble I need to create a table called instructor_course_nums within a university…

A: Solution:    The code for above questions is given below.

Q: Differentiate between functions that return a scalar, an aggregate, and a table

A: Programmers use the domain-specific language SQL to handle data stored in relational databases or…

Q: Relational schemas and other metadata about relations are stored in a structure called the…

A: The relational schemas and other metadata about relations are stored in a structure :

Q: . The basic operations that can be performed on relations are a. deletion b. insertion c.…

A: There are three basic operations that can change the states of relations in the data-base: Insert,…

Q: Write the DDL statements for declaring the Library relational database schema listed below. Specify…

A: Set of statements for the “LIBRARY” relational schema is provided below. CREATE TABLE BOOK ( BookId…

Q: Computer Science Relational Model (Logical and Physical Schema Development) The conceptual model…

A: The tables and the table structures are as following: Employee SSN ID (primary key), Name, Address,…

Q: Write the DDL CREATE statement that can be used to create the following table based on the given…

A: class_code is an integer value and primary key as well course_code is a string and foreign key…

Q: CENTRAL SCHOOL LIBRARY Obsarve the ER diagram for the CENTRAL SCHOOL LIBRARY CENTRAL SCHOOL LIBRARY…

A: The Answer is  in Below steps

Q: Q2/ write the schema that descibes the following relations: 1- The course relation course id title…

A: Drawing the schema for given relation Here, PK means Primary Key and FK means Foreign Key.

Q: Create Entry relationship diagram (ERD) Data dictionary Clear handwriting please

A: Answer

Q: Generate the table creation DDL for the schema. Consider the keys primary and foreign.

A: The DDL stands for Data Definition language. The commands of DDL are : Create Alter Truncate Drop.

Q: 6. Conduct the 1NF then the 2NF for the Book Store Database - DraftTable, then write the resulted…

A: Normalization: It is a process of decomposition of large table into a small number of tables.A…

Q: 86. Using ODL, you can define which of the following? a. Attribute b. Structure c. Operation d. All…

A: Here is the solution which is mentioned below:

Q: The relational Algebra is a ____________ Query language. Select one: a. Procedural. b. Structured.…

A: Query language refers to any computer programming language that requests and retrieves data…

Q: Study the relational schema: EMP(ID, Name, DeptID) DEPT(DeptID, DName, Loc) Which of the following…

A: ANSWER: a. Emp.DeptID = Dept.DeptID

Q: ere is the database design for the personnel data: employee(id, name, address) employeeMap(id,…

A: Actually, database is a used to stores the data\information.

Q: Q2/ Map your ER into a relational schema. All constraints must be included: Primary keys (PK)…

A: Relational schema of given ER diagram PUBLISHER(name,Phone(primary key), Address) BOOK(Book_id…

Q: Create an MVC web application having the index view given below. Given view will be populated from…

A: namespace MVCTutorials.Controllers{    public class book    {        public int bookId { get; set; }…

SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.