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According to rules of two-phase locking protocol, every transaction can go through two phases that are shrinking phase and then growing phase.
What is a transaction?
An agreement between a buyer and a seller to trade products, services, or assets in exchange for money is referred to as a financial transaction. Any transaction involves shift in the financial standing of two or more businesses or people. One or more financial assets, most frequently the money or another pricey object like gold or silver, are always part of financial transaction. Financial transactions can take many different forms. The most frequent kind, purchases, take place when thing, service, or other commodity is sold to consumer in exchange for cash. The majority of purchases are made with the cash, including checks, debit cards, and real money. Credit is the other primary method of payment, which provides immediate access to money in exchange for payback at a later time.
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