Data Management (CSN1)
A. Summarize one real-world written business report that can be created from
the DVD Dataset from the “Labs on Demand Assessment Environment and
DVD Database” attachment.
This business report aims to identify the most popular movie categories among
customers each month. It is purposed to provide insights into customer
preferences and trends allowing the business to optimize its inventory and
marketing strategies.
1. Identify the specific fields that will be included in the detailed table and the
summary table of the report.
Variable name Description Will Gging into a Which database
detailed/summary table the data
table come from
Category_na Movie category Detailed and Summary Category
me
Category_id Category ID Detailed Category
Film_id Film ID Detailed Film
Film_title Film title Detailed Film
Rental_id Rental ID Detailed Rental
Rental_date Date of rental Detailed Rental
Inventory_id Inventory ID Detailed Inventory
Customer_id Customer ID Detailed Customer
Rental_month Month of rental date, Summary Rental
transformed
by
Rental_date
Rental_year Year of rental date , Summary Rental
transformed by
Rental_date
Number_rental Aggregate Summary Rental
column, count of
rental_id
2. Describe the types of data fields used for the report.
The types of data fields used for the report include:
1. Category_name: VARCHAR(25), this field represents categorical data
stored as a string type, identifying the movie category.
2. Category_id: INTEGER, this field represents numerical data stored as a
)
, unique integer type, identifying the category id that refers to the category
name.
3. Film_id: INTEGER, this field represents numerical data stored as a
unique integer type, identifying the film id that refers to the film
name.
4. Film_title: VARCHAR(255), this field represents textual data stored as a
string type, containing the title of the movie.
5. Rental_id: INTEGER, this field represents numerical data stored as a
unique integer type, identifying the rental id that refers to the rental
record.
6. Rental_date: TIMESTAMP, this field represents date and time data
stored as a timestamp data type, indicating the date and time the movie
was rented.
)