Find the result relation of the above query

Q: Suppose there is a relation: Student(Name, rollno, cgpa, adress, phone) 1.Write a SELECT query to…

A: The relation or table name is the Student consist of 5 fields. The basic clauses are SELECT, FROM,…

Q: Suppose there is a relation: Student(Name, rollno, cgpa, adress, phone) 1.Write a SELECT query to…

A: 1. Select * from Student where Name="Anum";  2. Select Rollno from Student where cgpa<3 ; GroupBy…

Q: Suppose there is a relation: Student(Name, rollno, cgpa, adress, phone) 1.Write a SELECT query to…

A: 1. Select* from Student where name="Anum"; 2. Select rollno from Student where cgpa<3;

Q: Suppose that we have a relation marks(ID, score) and we wish to assign grades to students based on…

A: Below is the SQL query to create a table “marks” and insert some values in the table: - Query: -…

Q: List all possible candidate keys for the above relation :

A: Given:   List all possible candidate keys for the given relation :

Q: The trigger below is defined on the relation T (C, D) with the primary key on the attr

A:

Q: Suppose that we have a relation marks(ID, score) and we wish to assign grades to students based on…

A: SELECT query can be used to find the number of students with each grade. SQL WITH clause can be used…

Q: Under what circumstances can a relation have duplicate rows?

A: GIVEN: Under what circumstances can a relation have duplicate rows?

Q: There are some properties that differentiate relation tables from non-relation tables.

A: some properties that differentiate relation tables from non-relation tables

Q: Suppose that we have a relation marks(ID, score) and we wish to assign grades to students based on…

A: Structured Query Language(SQL) is used to manage database. To perform specific task on database SQL…

Q: Indicate all the functional dependencies and the normal form for each relation

A: The functional dependencies are the unique relationships between the attributes. For the table given…

Q: Based on the above Relations/Tables, write description of violations of each of the 3-constrains in…

A: Domain Constraints: This constraint says that the value of the attribute must be available in the…

Q: Write a SQL statement (Le. SQL DDL) to convert both 'Create' and 'BookCopy' to a relation.

A: The given problem is related to SQL and the requirement is to create the table for BookCopy and…

Q: Write at least 3 functional dependency from the table

A: Answer: first, we understand what is functional dependency? Functional Dependency (FD) is a…

Q: NORMALIZATION EXERCISE   Based on the given relation schema below, perform normalization up to…

A: First Normal form conditions:-  Table cell contains single value. Each complete row must be unique.…

Q: Explain the following statement regarding SQL: Any query that can be written using the subquery…

A:

Q: rence relation is defined as 1

A: Given:Solved using divide and conquer approach    nr=n-1r-1+n-1r Function  Xn,r  if  (r=0  or n=r)…

Q: In SQL, foreign key constraints can reference only the primary key attributes ofthe referenced…

A: For many-to-many instance, the relationship should be represented as the distinct/separate relation…

Q: The number of tuples in a relation is referred to as

A: We are given a question related to DBMS and we have to complete the given statement. The question is…

Q: Design a variant of the hybrid merge-join algorithm for the case where both relations are not…

A: Hybrid merge join algorithm:  It is a variation on merge join operation, which is performed on…

Q: Design a variant of the hybrid merge-join algorithm for the case where both relations are not…

A: Hybrid merge join algorithm:  It is a variation on merge join operation, which is performed on…

Q: In mathematical term Table is referred as a. Relation b. Attribute c. Tuple d. Domain

A: In mathematical term Table is referred as a. Relation b. Attribute c. Tuple d. Domain

Q: The degree is the number of tuples in a relation. Select one: a. False b. True

A: Relational Database: Table is called as relation or file. Row is called as tuple. Column is called…

Q: :You have a relation R(A, B, C, D, E). Provide one constraint, written in both relational algebras…

A: Below is the query to add required constraint:

Q: hat is the candidate key of this relation?

A: Database Systems Question 5. A relation R is given which is R(A,B,C,D,E). It has the following…

Q: 1. All columns in a relation instance must have distinct data values.  True  False

A: A relation is composed of two parts that are instance and schema. The database is represented as a…

Q: In relational model terminology, a table is considered as Select one: a. Tuple b. Range c. Relation…

A:

Q: r a relation r (A,B,C,D). If we wanted to generate the information produced by select A, B, C,…

A: Lets see the solution.

Q: Produce a resulting table with data after each of the following relational join operations has been…

A: (SELECT * FROM MemberListA) UNION ALL (SELECT * FROM MemberListB);   (SELECT * FROM MemberListB)…

Q: Write sql statements for implementing ALTER,UPDATE and DELETE Write the queries to implement any…

A: ALTER is used to ADD, UPDATE & DROP columns in SQL.   Here how you can use ALTER to add a column…

Q: +2. (if it exists). swer for each query.

A: Here is the simplified and detailed python code for the given question:

Q: In SQL Server, DROP TABLE statement deletes only the definition and tuples of a relation. It does…

A: Note ?as per our company guidelines we are supposed to answer ?️only first 3️⃣ sub-parts. Kindly…

Q: Design a general Salesforce query to fetch all fields of a object by using the AllFields method from…

A: Salesforce SOQL is a Salesforce query language that is implemented by the salesforce to interact…

Q: Create an unnormalized relation using student and class entities.

A: Here, we have to create an unnormalized relation using student and class entities.

Q: Consider the following emp relation and rename it with your name:…

A: CREATE TABLE Emp(  EMP_NO NOT NULL PRIMARY KEY,EMP_NAME varchar(255) ,EMP_GRADE varchar(255),…

Q: What are three criteria that indicate that a surrogate key for a relation's main key should be…

A: Given: What are three criteria that indicate that a surrogate key for a relation's main key should…

Q: What are three criteria that indicate that a surrogate key for a relation's main key should be…

A: Surrogate key: It is a key that does not have any contextual meaning but is used to identify the…

Q: Consider the following emp relation and rename it with your name:…

A: part (a) - Rename table name- NOTE - We are using new name of table that is 'anuj' in every command…

Q: Consider the following emp relation and rename it with your name:…

A: SQL : it stands for structured query language. It is used to communicate with application to…

Q: Given a relation S(student,subject, marks), write a query to find the top 10 students by total…

A: SELECT student, subject, marks, sum(marks) as total, RANK() OVER( ORDER BY total DESC ) FROM S Limit…

Q: Given a relation S(student, subject, marks), write a query to find the top 10 students by total…

A: Given:   Given a relation S(student, subject, marks), write a query to find the top 10 students…

Q: Input: The issuer table, with respective columns: Issuer Parent ESGRating, separated by Output: • If…

A: According to the information given:- We have to create to read the issuer table with respect to…

Q: Any relation must have at least ONE Select one: a. Foreign Key b. Composite key  c. Alternate key…

A: A relation basically is a table containing rows of some properties called columns. So there must be…

Q: Define “correlated subqueries”.

A: Correlated subqueries are one approach to read each row in a table and compare its values to related…

Q: B --> C, D D --> F a)  What normal form is the relation R in? b)  Normalize relation R to 3NF.…

A: a) The relation R(A,B,C,D,E,F) is in 1NFExplanation:Given relational schema isR(A,B,C,D,E,F)The…

Q: Briefly explain Global Descriptor Table (GDT)

A: The GDT is basically a data structure that is utilized by the Intel x86-family processors beginning…

Q: Briefly explain Global Descriptor Table (GDT)

A: Given:

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: Explain the relationship between EXISTS and correlatedsubqueries.

A: Correlated subqueries are used for row-by-row processing.Each subquery is executed once for every…

Q: Differentiate the type of query given below and interpret the meaning step-wise if it’s a sequential…

A: Sequential Query: The sequential query is a series of multiple master queries in which the first…