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Question: Transactions

Explore how to use transactions and locking mechanisms in MySQL to maintain consistent stock levels during high-traffic operations. Learn to apply atomic units of work with rollback to prevent unwanted data changes, ensuring safe concurrent access control.

Question

Given the following structure of the Products table:

Field

Type

ProductID

int

ProductName

varchar(50) not null unique

CategoryID

int

Price

decimal(10,2) not null

Stock

int not null

LastRestockDate

date

MonthlySales

int default 0

InventoryTurnoverRate

decimal(5,2) generated stored

Where, ProductID is the primary key and CategoryID is the ...