What is the DBMS the web application is using?

Q: Put your code in the main method given below. [Hint: SQL will return all accounts from the…

A: table name AccountingDB   display all account

Q: Solve B I. This Project asks you to submit a SQL text file (e.g. project2.sql) with all your…

A: please see the next step for solution

Q: .Here is ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds…

A: The error in the question lies in the  show database command.

Q: There's a "friend_requests" table that has a column "action_taken" that displays if the friend…

A: SELECT Count(action_id) FROM friend_requests where action_taken = "Accepted"; This query will return…

Q: write DQL statement to do the following (and a screenshot of the result): 1. Find cities that exists…

A: SELECT * FROM Customers, Suppliers WHERE Customers.City = Suppliers.City;

Q: What value will return when the last SQL statement is executed?

A: When the last SQL statement is executed 3 will be returned.

Q: HAR2(5) FIRST_NAME    VARCHAR2(25) LAST_NAME    VARCHAR2(25)

A: DECLARE  CURSOR c   IS      SELECT        FIRSTNAME, LASTNAME, PHONE      FROM       instructor…

Q: On a SQL terminal for (e.g., sqlite3) someone type the following: select ‘456’; What is expected as…

A: Answer: The correct option is “(a) the number is 456”

Q: SQL Sailors (sid: integer, sname: string, rating: integer, age: real) Boats (bid: integer, bname:…

A: We need to write the SQL query to compute named and ratings of the sailors who sailed two different…

Q: Create a MySQL table named 'prime_test' that contains two columns. The first column is an integer…

A: SQL Query for creating table: CREATE TABLE prime_test { number int NOT NULL, is_prime varchar(50),…

Q: You are in charge of creating a small database for a store that sells goods so that it can keep…

A: The SQL queries for creating and inserting data are given in the below step

Q: The following two SQL statements will produce the same results. SELECT P_DESCRIPT, P_PRICE FROM…

A: Your answer is given below.

Q: Identify the best data type to use to store the following data in Oracle, in SQL Server, and in…

A: In SQL, Oracle a data type is an attribute that defines the type of data that can be stored in a…

Q: There's a "friend_requests" table that has a column "action_taken" that displays if the friend…

A: Given Data :  Table name : friend_requests Table attributes : action_id requester_id requestee_id…

Q: hen writing queries in a programming language, why should we avoid creating a query by concatenating…

A: Actually, SQL stands for structured query language. which is used to access and manipulates the…

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.