Explain in detail the relational model with a suitable example.
Q: Use normalization to decompose a relation with anomalies into well-structured relations?
A: Yes, Normalization are used to decompose a relationship with anamolies into a well structured…
Q: Given the following EER diagram, write down the corresponding relations using the method taught in…
A: The answer is
Q: How do you represent an M:N ternary relationship in a relational data model?
A: Answer: Representation of M:N ternary relationship in a relational data model Ternary relationship:…
Q: What is well-structured relation? Why are well-structured relations important in logical database…
A: To be determine: What is well-structured relation? Why are well-structured relations important in…
Q: Give a detailed explanation of the relational model using an appropriate example.
A: The relational model is an abstract paradigm for organizing and managing data in a database. It…
Q: what is best way to represent below one to one relationship in the relational model? A)combine…
A: When the relationship between two entities(here Student and Preference) is one to one, then two…
Q: ENTITY_M M1 M2 M4 M3
A: ENTITY_M SQL query
Q: Convert the following ER diagram into a relational table. Show all the nec foreign key mapping- ID…
A: 1) All the rectangles in ER diagram are called entities. First, convert all the entities into…
Q: How do you represent an M: N ternary relationship in a relational data model?
A:
Q: h query in this relational database (represented by relational diagram) will provide you with the…
A: Query for list of 3 transported products by shipper DHL in January 2020
Q: Convert the Entity Relationship Diagram in to QI. relational database by using MS Access (Note:…
A: maintain the oder of creating table CUSTOMER TABLE CREATE TABLE CUSTOMER( CUSTOMER_ID NUMBER(5),…
Q: Explain the relational model in detail using an appropriate example.
A: Answer: Relational model: A relational model is a form of database that stores and allows access to…
Q: Which one is correct When transform the following ER diagram into a relational schema name manager…
A: employee is the relation and the remaining will be the attributes and relationship
Q: Transform the diagram to a relational schema that shows referential integrity constraints
A: Relational schema: ERDPlus permits drawing customary relative Schema parts Tables (Relations) Table…
Q: Considering the following ER diagram, list the relational šchema. Indlcate the primaly and foreign…
A: Schema Approach: 1- I have created this schema design in MySQL workbench. 2- MySQL workbench is a…
Q: Given a relational schema r(A, B, C, D), does A →→ BC logically imply A →→ B and A →→ C? If yes…
A: Solution: “No”, A→→BC does not imply A→→B and A→→C.
Q: Mapping: Create relational schemas for the ER diagram given below. Indicate clearly the primary and…
A: The relational schema has been given in step 2.
Q: Explain with an appropriate example in the relational model.
A: Introduction: A relational model is a database that stores and makes available connected data…
Q: Model to Rela
A: This is a many to many relation. hence there will be three tables. One for order, one for product…
Q: Find the last name of the supervisors who do not have dependents.
A: SELECT LNAMEFROM EMPLOYEEWHERE NOT EXISTS (SELECT *FROM DEPENDENTWHERE SSN = ESSN);
Q: Write an SQL Assertion statement to enforce the functional dependency Title → Salary for the…
A: The above question includes two concepts of Assertion Statement and Functional Dependency Title->…
Q: Question- Translate the following ER diagram into the appropriate relational schema(s):
A:
Q: Write the following queries in SQL on the relational database schema for COMPANY database given in…
A: We need to write a query to find the total number of dependents of each employee who has dependents.…
Q: SQL allows relations with duplicates (Chapter 3), and the multiset version of the relational algebra…
A: Validation: All the equivalence rules 1 through 7.b of the section 16.2.1 will hold for the…
Q: relational algebra
A: Note: As per the guidelines can answer the first three sections. Please re-submit the questions for…
Q: For the below given logical data model develop a SQL query to create the table name…
A: Creating database: mysql> CREATE DATABASE Business;Query OK, 1 row affected (1.07 sec) Using…
Q: 32. In a relational model, relations are termed as a. Tuples b. Attributes c. Rows d. Tables
A: The relational data model is a representation of the relationships between different relations in a…
Q: QUESTION1 Consider the following databases and their schemas and write relational algebra expression…
A:
Q: Why is the relational model important?
A: The purpose of the relative model is to supply a declarative technique for specifying information…
Q: Explain in detail about the relational model with suitable example.
A: GIVEN: Explain in detail the relational model with a suitable example.
Q: Convert the following ER diagrams to Relational Schema (express the schema in a format as shown in…
A:
Q: Use relational algebra (operation like selection, procejection, etc.) to find names, age, rating of…
A: Relational algebra is also known relational query language Query languages: It allows manipulation…
Q: define UNIQUE and NON-UNIQUE indexes for relations.
A: Unique indexes are indexes that help maintain data integrity by ensuring that no two rows of data in…
Q: Describe the difference between how a 1:M unary relationship and an M:N unary relationship are…
A: one to many (1:M) A relationship is one-to-many if and only if one record from table A is related to…
Q: When mapping entities to one another for a relational database, there are several different…
A: Defined the mapping relationship in a relational database
Q: How is the word characteristic used in the relational model? What is a 'more popular attribute…
A: Asked: To clarify how attributes are used in relational models and what their general names are.
Q: to Relational
A: Steps to map relationship between two entities : Make a table to represent a relationship. Add the…
Q: Discuss the alternative ways that normalization can be used to support database design.…
A: Answer: There are so many alternative way to normalized databases design.
Q: 9. Consider relation schemas and instances given below. In each question below, write a SQL query…
A:
Q: translate the following ER diagram into the appropriate relational schema(s):
A: ER diagram: ER stands for Entity Relationship. It looks like a flowchart. It is used to illustrates…
Q: Find the minimum mumber of tables required to represent the given ER diagram in relational model-…
A: Rules for converting ER diagram to tables in relational model are: A strong entity set with only…
Q: Show the SQL statements for creating relations corresponding to the entity sets and relationships.…
A: The following SQL statements create the corresponding relations.
Q: The attributes of the entities are represented as in the Relational Data Model.
A: Attributes in database An attribute describes the entity properties in the relational model. Each…
Q: E-R dlagram into a relational model ysf18 ointe
A: Given :- An Entity Relation diagram is mention in the above given question Need to translate the…
Q: Consider the following database and its schema and write relational algebra expression to retrieve:…
A: We need to write relational algebra expression which will display name of branch located in Abha i.e…
Q: Explain 1:M unary relationship in a relational data model.
A: Given: Explain 1:M unary relationship in a relational data model.
Q: Normalize the following given data to 1/2/3 NF. State the relations schema after every…
A: The key for the given relation is (SID, CID) The FD's possible are SID->s_name, CID->C-name,…
Q: Convert the Entity Relationship Diagram in to Q1. relational database by using MS Access (Note:…
A: Microsoft Access is a database management system (DBMS) from Microsoft that combines the relational…
Step by step
Solved in 2 steps
- Convert the following ER diagram into relational schemaGiven the EER diagram above, map it to an equivalent relational model by using the steps in Chapter 9. Please show each step of mapping and make the mapping in an incremental and iterative way.Build a relational model for the following ER schema