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Question: Prepared Statements and Session Variables

Explore how to use MySQL session variables in combination with prepared statements to safely execute parameterized queries. This lesson helps you handle input values dynamically, enabling quick data retrieval for customer spending within date ranges without creating stored routines.

Question

Given the following structure of the Customers table:

Field

Type

CustomerID

int

CustomerName

varchar(50)

Email

varchar(50)

Phone

varchar(15)

Address

varchar(100)

LastLogin

date

CreatedAt

timestamp

CustomerTier

enum('New','Regular','VIP')

ReferralID

int

LoyaltyPoints

int

LastPurchaseDate

date

IsChurnRisk

tinyint(1)

Where, CustomerID is the primary key and ReferralID is self-referencing to CustomerID. The table contains ...