Question :
Map the below ERD into the relational schema and explain the steps for mapping showing the tables that have been designed. Should ensure that all tables are fully normalised.
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Question :
Map the below ERD into the relational schema and explain the
steps for mapping...
Display all customers. If a customer has placed any orders, also display the highest..... Tables: CREATE TABLE Sales.Cu...
Display all customers. If a customer has placed any orders, also
display the highest.....
Tables:
CREATE TABLE Sales.Customers
(
CustomerId
INT
NOT NULL
IDENTITY,
CustomerName
NVARCHAR(50)
NOT NULL,
StreetAddress NVARCHAR(50) NULL,
City
NVARCHAR(20)
NULL,
[State]
NVARCHAR(20)
NULL,
PostalCode
NVARCHAR(10)
NULL,
Country
NVARCHAR(20)
NULL,
Contact
NVARCHAR(50)
NULL,
Email
NVARCHAR(50)
NULL,
CONSTRAINT PK_Customers PRIMARY KEY(CustomerId)
);
CREATE TABLE HR.Employees
(
EmployeeId
INT
NOT NULL
IDENTITY,
FirstName
NVARCHAR(50) NOT
NULL,
LastName
NVARCHAR(50)
NOT NULL,
BirthDate DATE
NOT NULL,
HireDate
DATE
NOT NULL,
HomeAddress...
The Northwind database created by Microsoft contains the sales data for a fictitious company called Northwind...
The Northwind database created by Microsoft contains the sales data for a fictitious company called Northwind Traders, which imports and exports specialty foods from around the world. Here is the schema of the database: Products (ProductID, ProductName, SupplierID, CategoryID, QuantityPerUnit, UnitPrice, UnitsInStock, UnitsOnOrder, ReorderLevel, Discontinued); Suppliers (SupplierID, CompanyName, ContactName , ContactTitle, Address, City, Region, PostalCode, Country, Phone, Fax, HomePage); Categories (CategoryID, CategoryName, Description, Picture); Orders (OrderID, CustomerID, EmployeeID, OrderDate, RequiredDate, ShippedDate, ShipVia, Freight, ShipName,ShipAddress, ShipCity, ShipRegion, ShipPostalCode, ShipCountry); Order_details (ID, OrderID,...
The business process we are interested in is sales(i.e., selling products to customers). Develop a logical...
The business process we are
interested in is sales(i.e., selling products to customers).
Develop a logical star- or snowflake-schema dimensional model.
orders customers + PK FK orderdetails PK/EK OrderID PK/FK Products UnitPrice Quantity Discount PK OrderID Customer D FK Employeeld Order Date RequiredDate Shipped Date FK ShipVia Freight ShipName ShipAddress ShipCity ShipRegion ShipPostalCode Ship Country CustomerID CompanyName ContactName Contact Title Address City Region PostalCode Country Phone shipppers PK Shipperid CompanyName Phone Fax products PK ProductID + employees PK Employeeld LastName...
TM-315 DATABASE SYSTEMS Please help me to draw an ERD and the Relational Schema and please...
TM-315 DATABASE SYSTEMS
Please help me to draw an ERD and the Relational Schema and
please mark the Primary and Foreign Key .....
Deliverable:
Word document with grade sheet followed by Part 1 ERD and the
Part 2 relational schema.
Part 1: Draw the ERD for the following situation. 8 pts
Be sure to:
Convert all many-to-many relationships to associative
entities.
Make sure each regular entity has an appropriate identifier.
Make sure attribute names are unique within the ERD
Wally...
Questions are based on the Northwind database. a. A data dictionary (Excel file) that describes each...
Questions are based on the Northwind database.
a. A data dictionary (Excel file) that describes each of the
tables. (Attached in question)
b. Write good, clean SQL that answers the
following questions.
c. Separate your queries as I have
done in the following example. End each query with a semicolon (;)
and insert the word "go" between each query. Queries can span
multiple lines if required.
Select CustomerID from Customers;
go
Select Count(*) from Employees;
go
Select max(productID) from Products;
18. Produce...
Question for SQL in MS SQL Server Management Studio (Please don't use where clause for Joins...
Question for SQL in MS SQL Server Management Studio (Please
don't use where clause for Joins use from clause)
Need to Create a Query to display products purchased by
customers in Germany that were not purchased by customers in the
US.
Customers PK Customer D CompanyName Contact Name Contact Title Address City State OrRegion PostalCode Country Phone char(5) varchar(40) varchar(30) varchar(30) varchar(60) varchar(15) varchar(15) varchar(10) varchar(15) varchar(24) varchar(24) Order Details Orders PK OrderID int FK CustomerlD char(5) FK Employeeld int...
Question for SQL in MS SQL Server Management Studio (Please don't use where clause for Joins...
Question for SQL in MS SQL Server Management Studio (Please
don't use where clause for Joins use from clause)
Need to Create a Query because Northwind Traders wants to make
sure that all orders are shipped within 10 days. Display any orders
that were not shipped within 10 days. Include the OrderID, the
OrderDate, and the number of days it took before the order was
shipped.
Customers PK Customer D CompanyName Contact Name Contact Title Address City State OrRegion PostalCode...
Question for SQL in MS SQL Server Management Studio (Please don't use where clause for Joins...
Question for SQL in MS SQL Server Management Studio (Please
don't use where clause for Joins use from clause)
Need to Create a Query because Northwind Traders has decided to
increase their retail prices. Write a query that shows the product
name, the current price, and the new price. Make sure the new price
is listed to 2 decimal points. Follow below guidelines on new
retail price:
a. If the
category is beverages or dairy products, increase the price by...
Question 3 refers to the relational database with a schema described below: The hospital database contains...
Question 3 refers to the relational database with a schema described below: The hospital database contains information about the treatments of patients performed by the doctors. The database also contains information on the prescriptions ordered by the doctors. The schemas of relational tables, the meanings of attributes and specifications of primary, candidate, and foreign keys are given below. HOSPITAL HospitalCd Name Address Estate PostalCode EstablishedDate Hospital Code Name of the hospital Address of the hospital The estate where the hospital...
Chapter 2 How to use the Management Studio Before you start the exercises... Before you start...
Chapter 2 How to use the Management Studio Before you start the exercises... Before you start these exercises, you need to install SQL Server and the SQL Server Management Studio. The procedures for doing both of these tasks are provided in appendix A of the book. In addition, you'll need to get the Exercise Starts directory from your instructor. This directory contains some script files that you need to do these exercises. Exercises In these exercises, you'll use SQL Server...
Display all customers. If a customer has placed any orders, also
display the highest.....
Tables:
CREATE TABLE Sales.Customers
(
CustomerId
INT
NOT NULL
IDENTITY,
CustomerName
NVARCHAR(50)
NOT NULL,
StreetAddress NVARCHAR(50) NULL,
City
NVARCHAR(20)
NULL,
[State]
NVARCHAR(20)
NULL,
PostalCode
NVARCHAR(10)
NULL,
Country
NVARCHAR(20)
NULL,
Contact
NVARCHAR(50)
NULL,
Email
NVARCHAR(50)
NULL,
CONSTRAINT PK_Customers PRIMARY KEY(CustomerId)
);
CREATE TABLE HR.Employees
(
EmployeeId
INT
NOT NULL
IDENTITY,
FirstName
NVARCHAR(50) NOT
NULL,
LastName
NVARCHAR(50)
NOT NULL,
BirthDate DATE
NOT NULL,
HireDate
DATE
NOT NULL,
HomeAddress...
The business process we are
interested in is sales(i.e., selling products to customers).
Develop a logical star- or snowflake-schema dimensional model.
orders customers + PK FK orderdetails PK/EK OrderID PK/FK Products UnitPrice Quantity Discount PK OrderID Customer D FK Employeeld Order Date RequiredDate Shipped Date FK ShipVia Freight ShipName ShipAddress ShipCity ShipRegion ShipPostalCode Ship Country CustomerID CompanyName ContactName Contact Title Address City Region PostalCode Country Phone shipppers PK Shipperid CompanyName Phone Fax products PK ProductID + employees PK Employeeld LastName...
TM-315 DATABASE SYSTEMS
Please help me to draw an ERD and the Relational Schema and
please mark the Primary and Foreign Key .....
Deliverable:
Word document with grade sheet followed by Part 1 ERD and the
Part 2 relational schema.
Part 1: Draw the ERD for the following situation. 8 pts
Be sure to:
Convert all many-to-many relationships to associative
entities.
Make sure each regular entity has an appropriate identifier.
Make sure attribute names are unique within the ERD
Wally...
Questions are based on the Northwind database.
a. A data dictionary (Excel file) that describes each of the
tables. (Attached in question)
b. Write good, clean SQL that answers the
following questions.
c. Separate your queries as I have
done in the following example. End each query with a semicolon (;)
and insert the word "go" between each query. Queries can span
multiple lines if required.
Select CustomerID from Customers;
go
Select Count(*) from Employees;
go
Select max(productID) from Products;
18. Produce...
Question for SQL in MS SQL Server Management Studio (Please
don't use where clause for Joins use from clause)
Need to Create a Query to display products purchased by
customers in Germany that were not purchased by customers in the
US.
Customers PK Customer D CompanyName Contact Name Contact Title Address City State OrRegion PostalCode Country Phone char(5) varchar(40) varchar(30) varchar(30) varchar(60) varchar(15) varchar(15) varchar(10) varchar(15) varchar(24) varchar(24) Order Details Orders PK OrderID int FK CustomerlD char(5) FK Employeeld int...
Question for SQL in MS SQL Server Management Studio (Please
don't use where clause for Joins use from clause)
Need to Create a Query because Northwind Traders wants to make
sure that all orders are shipped within 10 days. Display any orders
that were not shipped within 10 days. Include the OrderID, the
OrderDate, and the number of days it took before the order was
shipped.
Customers PK Customer D CompanyName Contact Name Contact Title Address City State OrRegion PostalCode...
Question for SQL in MS SQL Server Management Studio (Please
don't use where clause for Joins use from clause)
Need to Create a Query because Northwind Traders has decided to
increase their retail prices. Write a query that shows the product
name, the current price, and the new price. Make sure the new price
is listed to 2 decimal points. Follow below guidelines on new
retail price:
a. If the
category is beverages or dairy products, increase the price by...
Chapter 2 How to use the Management Studio Before you start the exercises... Before you start these exercises, you need to install SQL Server and the SQL Server Management Studio. The procedures for doing both of these tasks are provided in appendix A of the book. In addition, you'll need to get the Exercise Starts directory from your instructor. This directory contains some script files that you need to do these exercises. Exercises In these exercises, you'll use SQL Server...
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