Find the range of salaries (min, max) of each department in the following table:EMP(EID, ENAME, SAL, DEPT)A) select min(sal), max(sal) from emp group by deptno;B) select min(sal), max(sal) from emp group by dept;C) select min(sal) as min, max(sal) as max from employees group by deptD) select range(sal) from emp group by dept;

Q: Observe the table ENROLLMENT: ENROLLMENT StudentName MajorID MajorName English StudentID 111 Joe E…

A: A deletion anomaly  is the accidental loss of  data because of cancellation of different  data.

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A: The select statement is used to select a value from the database. The selected columns are displayed…

Q: Creating a table with following information: Name of table: Worker, columns and data types:…

A: The CREATE TABLE statement is used to create a new table in a database.

Q: Update the emp table to set the commission of all employees to SR 1000 who are working as managers

A: Syntax: UPDATE table_nameSET column1 = value1, column2 = value2, ...WHERE condition;

Q: Find the numbers that has not been used as DEPTNO in the DEPT table.

A: you can use this query

Q: Please convert following figure into a relational schema. In each table, the primary key and foreign…

A: Here entity branch is a weak entity and therefore it will include primary key of bank as prime…

Q: Show all the related employee attributes for those employees who are hired after Jan-1-2008

A: SQL SQL stands for Structured Query Language, and it is a programming language used to store,…

Q: - Copy the name, salary, and commission of each employee hired before 1980 into TEMP table - Copy…

A: INSERT INTO query is used to copy the sql data from one table to another table.WHERE is SQL clause…

Q: E. The AMD venue is where the music festival showcases up-and-coming bands. We want to identify…

A: This query can be defined in such a way that it will first be part of the ticket_sales_fact table…

Q: Please convert following figure into a relational schema. In each table, the primary key and foreign…

A: Here the entity BankBranch is a weak entity and therefore we need to include primary key of Bank as…

Q: Considering the un-normalized relational table PROJECT below: PROJECT (Project Title, EmpeName,…

A: Functional dependencies are... ProjectTitle, EmpeName -> HoursWork ManagerName -> ManagerPhone…

Q: access databases Normalization Exercise Represent this table as a collection of tables in 3NF:…

A: The key for the given relation is (StudentNumber, CourseNumber)  The partial functional dependency…

Q: Which quality of the table demonstrates why it is not in first normal form? A: There are only…

A: Here, we have to explain why the table is not in first normal form.

Q: J. K. Does this relation contain a transitive dependency? If so, what is it? Redesign the relation…

A: SOLUTION -From the given table we have given a table PROJECT with ProductId, EmployeeName,…

Q: Given the following Staff2 table, please write a SQL statement to find the superno who supervised 4…

A: To find the superno where COUNT(superno) is greater than or equal to 4.

Fundamentals of Datawarehouse

A data warehouse is a data repository which is used to store large quantities of historical data that are mostly used for creating reports that help businesses to identify their weaknesses and strengths. For example, demographics data about people of a region can help businesses identify the needs and preferences of the region’s population. A data warehouse acts as a central storage for storing data that comes from one or more heterogenous sources. It also consists of data which can be old and of historical value. One of the most important applications of this type of system is that it is used for supporting business intelligence and data analytics applications.