A table in third normal form is one which: A Has only one primary key. B Is linked to another table by means of a foreign key. C Have no repeating fields. - D Contains no non-key dependencies C

Q: The WorkOrders table contains a foreign key, ClientNum, which must match the primary key of the…

A: A foreign key is a key that is used to link two or more tables together. It also helps in…

Q: Give a specific example showing a change happening in one table when a update happens in another.…

A: Below i have answered:

Q: In a relational database, a select operation is used to delete columns that satisfy specific…

A: The select operation is basically an operation which searches data in the table and acquire or…

Q: 31. A primary key combined with a foreign key creates: A. Parent-child relationship between the…

A:

Q: A foreign key in a table (a) may not be composed of a single element (b) Should, in turn, be…

A: Answer : The Given MCQ Answer is option D) must belong to the primary key of the table in which it…

Q: 2. Write a MySQL query to fetch records that are present in one table but not in another table.…

A: Q 2. Write a MySQL query to fetch records that are present in one table but not in another table.…

Q: Question 3, continued.  Suppose that we have 2 tables, A and B, specified by the following…

A: According to the given question, there are two tables created A and B. The columns are A table is a1…

Q: What does the term "transitive" mean? What is the rule for converting tables in the second normal…

A: Given question has asked to :- i) Write down the normalised form. ii) Identify the repeating group…

Q: Does a foreign key have to refrence all the primary key fields of another

A: Primary key is an attribute or group of which uniquely identifies each row of the table.  Foreign…

Q: Not all versions of this database include referential integrity constraints for all foreign keys.…

A: The following types of integrity constraints are made to enforce in the sql create table commands as…

Q: Give an example of how (Tables) can be related through (Keys).

A: In Relational database, it contains many tables which consists of columns and follow some rules like…

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: Since no particular student is affiliated with a number, disclosing the total of all financial…

A: Sensitive data Sensitive data is information that can not be made public. Data pertaining to the…

Q: A database table is in 2nd Normal form if it is in 1 normal form and A. All non-key fields depend on…

A: A relational database is in 2NF , if it is firstly in 1NF that is free from Multivalued attribute…

Q: What does it mean to be transitive? Tables in the second normal form can be converted to tables in…

A: Transitive dependence: Before we can go on to transitive dependence, we need to first have a solid…

Q: How many global descriptor tables can exist?

A: Global Descriptor Table (GDT): GDT is one of two types of tables which contain segment descriptor…

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: What are the benefits of sorting a table versus using a query to sort records? Which method is more…

A: Sorting is  is a tool which let you to customize  how you organize and view your data  making it…

Q: How about a list of the advantages of database tables? write a quick statement about NULL?

A: What are the benefits of a database table? write a message about NULL?Answer. Tables provide the…

Q: E4.8a Depict full key functional dependencies, partial functional dependencies (if any), and…

A: Given: Depict full key functional dependencies, partial functional dependencies (if any), and…

Q: The figure below shows the created tables (DOCTOR, APPOINTMENT and PATIENT). However, after you…

A: It is defined as a computerized data-keeping system. Users of the system are given facilities to…

Q: . Normalization is the process of organizing data in a database. This includes creating tables and…

A: I have answered this question in steps 2 & 3.

Q: Create the BusinessdB database using MSSQL with the two given table. Create a stored procedure name…

A: Databases are a collection of objects like tables, views, stored procedures, functions, etc. In MS…

Q: A table in third normal form is one which: A Has only one primary key. B Is linked to another table…

A: A  database is in third normal form if it: is already in second normal form it has no non-key…

Q: What’s the difference between a key-preserved and a non-key-preserved table?

A: Difference between key-preserved and non-key-preserved tables: The table shows the difference…

Q: T3 is in 1NF. Is table T3 in 2NF, given the dependencies? If yes, why? If not, normalize to 2NF. T3…

A: Key for the relation is (A, B) The functional dependency existing are A->E B->C

Q: 15. A table is said to exhibit referential integrity if: a. it has no foreign key. b. it has a…

A: A table is said to exhibit referential integrity if : it has a foreign key, and all the foreign key…

Q: A table is in 2NF when the table is in 1NF and what other condition is met? O There are no…

A: Second Normal Form(2NF) in which the normalizing that is having the second step in a database that…

Q: A table that contains a repeating group is a(n) unnormalized relation a O 1st NF b O normalized…

A: Lets see the solution.

Q: Q2\ design a data base in name A then create a table in name students that has Five column…

A: All queries  follow:   1.create the database: syntax:  CREATE DATABASE  A ;   2. create a table with…

Q: If a table is in 1NF and its primary key is not a composite key, then the table must be in 2NF. True

A: The given problem is related to Normalization of the database. The given statement is related to 1st…

Q: What is a transitive dependency? What is the rule for converting tables in the second normal form to…

A: Before going to transitive dependency first we need to understand what are prime and non prime…

Q: A database table is in 3rd normal form if A It is in 2d normal form (2NF) and in 1" normal form(INF)…

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

Q: Exercise 5.9 Discuss the strengths and weaknesses of the trigger mechanism. Con- trast triggers with…

A:

Q: What exactly is meant by the term "transitive"? It is possible to convert tables that are in the…

A: Solution: We must first grasp prime and non prime properties before moving on to transitive…

Q: Table name: EMPLOYEE EMP CODE Q1 Table name: BENEFIT EMP LNAME JOB_CODE EMP CODE PLAN_CODE 14 Rudel…

A: Note: - As per the guidelines we are only allowed to answer a question at a time. Please resubmit…

Q: ?Which type of relation is an excellent candidate for improvement to second normal form relation…

A: The suitable answer is (a) Relation with an AutoNumber primary key field.

Q: ProductType is a foreign key field in the Orders table and is constrained to a list of valid entries…

A: Foreign key concept comes from referential integrity which establishes master child relationship.

Q: In a database, what is an unnormalized relation? Is it a connection in the conventional sense of the…

A: Given that 'In a database, what is an unnormalized relation? Is it a connection in the conventional…

Q: Tables in second normal form (2NF): Eliminate all hidden dependencies. Eliminate the possibility of…

A: The correct answer is: A. Eliminate all hidden dependencies.

Q: Tables in second normal form (2NF): Eliminate all hidden dependencies. Eliminate the possibility of…

A: Second Normal form:  A relation is said to be in Second normal Form when that relation is in First…

Q: Discuss if outer joins are implemented easily for more than two tables or not.

A: To be determine: Discuss if outer joins are implemented easily for more than two tables or not

Q: In handling foreign key violations, the option to reject if the row is referenced in another table…

A: a) Set Null: It is a foreign key which means that if a record in the parent table is deleted, then…

Q: A(n) ___________ key is a column in one table that references a primary key in another related…

A: According to our honor code, we are answering the first question.

Q: The field that links a child table to a parent table is called the _____________________. a. foreign…

A: Field linking a child table to a parent table: When a common field is used to relate the records…

Q: Recall the pharmacy system that we discussed previously. Draw two tables, one for patient and one…

A: Dotor Table Doctor_ID Doctor_Name Speciality D1001 Dr. A Ortho D1002 Dr. B Neuro D1003 Dr.…

Q: Explain the problems that unnormalized tables have for insert, update, and delete actions

A: Problems that unnormalized tables have for insert, update, and delete actions are:

Q: partial dependencies and transitive dependencies

A: I have provided hand written solution for both with table example and definition----- First provided…