EMP: NUMBER (4) EMPNO VARCHAR2 (10) ΕΝΑΜΕ VARCHAR2 (9) JOB NUMBER (4) MGR HIREDATE DATE NUMBER (7, 2) SAL NUMBER (7, 2) СOMM NUMBER (2) DE PTNΟ DEPT: NUMBER (2) DE PTNΟ VARCHAR2 (14) DNAME VARCHAR2 (13) LOC

Q: Do ratio comparison task, which measure the ratio-processing system (RPS) measure a type of…

A: Do ratio comparison task, which measure the ratio-processing system (RPS) measure a type of…

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.

Q: Find the range of salaries (min, max) of each department in the following table:EMP(EID, ENAME, SAL,…

A: EMP is the name of the table Employee.EMP table has four rows named EID, ENAME, SAL, and DEPT. Find…

Q: How do you identify the actors in a use case?

A: You should take into consideration the following stages in order to identify the actors in a use…

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: Do you need to normalize median age when making your choropleth map? Why or Why not?

A: Choropleth map: Maps can be divided into two types. They are Reference map Thematic map Choropleth…

Q: List the last name and first name of every owner not located in Lewiston

A: given, owner table content all required fields that we want last name, first name, city.

Q: In a table: Worker ( Id number, First, Last, DOB, Email) -Which key is the first name A.Non-unique…

A: In a database context, a key is a field or combination of fields that uniquely identifies each…

Q: Write SQL query to get the Names of all employees which have department alloted to them. Table-…

A: Given: We are given two tables  Employee(Eno, Ename,address) and Department (Deptno, Dname, Eno). To…

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: What value of R^2 (coefficient of determination) indicates that the model performed worst? Answer:

A: Here is the explanation:

Q: Suppose your company calculates the SLE for employee hard drive theft to be $200 and the ARO is 2.…

A: SLE is short for Single Loss Expectancy and it is the amount an organization expects to lose from a…

Q: Given SS = 0.75, S1 = 0.4, and Site Class C, find SDS (use the tables in the book and make no…

A: Solution 1: To find SDS for Site Class C, we need to use Table 11.4-1 from the "Seismic Design…

Q: utput restaurant relationship diagram / restaurant adjacency

A: It is defined as a Entity Relationship Diagram type of flowchart that illustrates how “entities”…

Q: A large spreadsheet contains the following information about local restaurants. A sample portion of…

A: A filter is used in a spreadsheet to select which particular values need to be displayed and which…

Q: there is no information provided for the solution ,in the question says:  The output of the…

A: The required PL/SQL function is defined in the next step.

Q: 1) List all products with their highest unit price, i.e. not discounted. 2) List the average unit…

A: There are following aggregate functions used in the SQL queries: To find the highest unit price,…

Q: (4) Consider the following two relations in a database: CUSTOMERS: customer_id last_name first_name…

A: Answer: Answer a: customer_id order_id order_date 4000 4 2016/04/20 5000 2 2016/04/18 7000…

Q: Please decribe briefley explanation in simple words.   Describe how the multiple attribute…

A: Multiple Attribute Selection Process is a method used to choose the most relevant and significant…

SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.