Which attribute would be a primary key? and can you put this in a table

Q: how is the ProductID field in the Product table specified to be required? Why is it a required…

A: Given: Required attribute

Q: Do composite characteristics or composite keys affect whether you can use composite keys?

A: What is composite keys in database: Composite keys in a database are keys that consist of multiple…

Q: Explain the purpose of a primary key. Could the "dept_name" and "location" columns of the department…

A: The primary key is used to ensure that the data in a particular column is unique.

Q: Write foreign key constraints for the relationships in each of these tables. Make your own…

A: Foreign key:- A foreign key is a column or set of columns that allow us to link the data in two…

Q: How well do you think you know the difference between a candidate key and a composite main key?

A: Introduction Key A key is an attribute, or group of characteristics, that enables us to recognise a…

Q: How would you go about changing the structure of a table using SQL? What kinds of generic…

A: SQL stands for Structured Query language.

Q: You are interested in compiling a small SQL database of the contents of this course.  You decide you…

A: In this question, we have to create a spreadsheet on Excel which has the description of both the…

Q: Question 16 )Listen In the tables described below, which column is a foreign key? SKU_DATA (SKU,…

A: Foreign Key is a key present in another table used to refer primary key of another table.  Here,…

Q: What is the definition of the Candidate key?

A: Candidate key: A row in a relational database is identified by one or more columns (fields) that are…

Q: How is a foreign key represented in relationalnotation?

A: Lets see the solution.

Q: B/ Write SQL statement for the following: 1- Create table, the table name is Student and the…

A: 1. create table student(st_id number(10) constraint st_pk primary key,st_name varchar(20),st_stage…

Q: The Model View is where relationships are drawn between tables?  True  False

A: Given: The Model View is where relationships are drawn between tables?  True  False

Q: What is a primary key? How important is the primary key in setting a relationship between tables?

A: A Key is a set of attributes that can identify each tuple uniquely of the given relation They used…

Q: Does it matter what composite attributes you use to determine whether you may use composite keys?

A: A composite key is a key that consists of two or more attributes that together uniquely identify an…

Q: How well do you think you know the difference between a candidate key and a composite main key?

A: Foundation: Candidate keys are selected to uniquely identify tuples in a database, and the primary…

Q: The Car Maintenance team also wants to store the actual maintenance operations in the database. The…

A: DELETE CASCADE: - When we constitute a foreign key using this option, it deletes the referencing…

Q: What exactly is a main key? How crucial is the main key in establishing a link between tables?

A: Intro A Key is a set of attributes that can identify each tuple uniquely of the given relation They…

Q: Write a SQL statement that retrieve all the attributes from employee_tbl and the salary attribute…

A: JOIN: These are clauses in SQL statements that link two tables together, usually based on the keys…

Q: Create a database table about Book Owner, Book Borrower, and also about the Book. Please list the…

A: It consists of a collection of rows and columns where each row consists of values of fields…

Q: What data types would you use for the attributes in this entity? How would you code a CREATE TABLE…

A: In a database management system (DBMS), an attribute is a piece of data that describes an entity.…

Q: If something is transitive, what does that entail? What is the rule for converting tables from the…

A: Answer is

Q: Is it possible for you to identify a composite main key from a candidate key?

A: What is candidate key ? The candidate key is the set of one or more attributes that uniquely…

Q: How does SQL affect table structure? Which substantial modifications are possible? Which commands…

A: SQL is a sophisticated language for managing and manipulating data in relational databases. It…

Q: The term attribute refers to a of a table. Your answer When we talk about the table in more accurate…

A: Solution ::    The term attribute refers to a column of a table. Answer ::.  Column Explanation:…

Q: How would you go about altering the structure of a table via SQL? What broad categories of shifts…

A: A table structure contains information such as field names, sizes, and data kinds. Adding and…

Q: Select the best answer from the given choices: Using the company schema, when creating the…

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

Q: reate tables for the following, where the first 2 are entity-types and the last one is relationship.…

A: Q: Code the given problem

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: How would you go about changing the structure of a table using SQL? What kinds of generic…

A: A table structure contains information on the names of the fields, their sizes, and the data types…

Q: How many primary keys in one table in logical model?

A: In logical model,nothing but relational model One Table has only ONE primary key. There are one or…

Q: what happens when we create our tables with relationships and then have to modify the relationship?…

A: we create our table with relationship and then have to modify the relationship:

Q: If a combination of values of all the key attributes is included in the query, how many tuples will…

A: If a combination of values of all the key attributes is included in the query, Then Single tuples…

Q: How would you use personal firewalls and network firewalls to safeguard your home network?

A: A home firewall protects networked devices against cyberattacks. Check your router's network…

Q: Composite primary key can be defined at table level only. Select one: True False

A: As per the question asked the, the proper solution of the question is given in below step:

Q: Describe an example in which you would want to use a derived table.

A: The SQL Derived Table is nothing but a Subquery used in the From Clause. For this SQL Server derived…