What makes a sequence of database operations a transaction

Asked by wiki @ 13/06/2021 in Computers and Technology viewed by 1278 People

What makes a sequence of database operations a transaction? All database operations must either complete in its entirety or have no effect Atomicity, Consistency, Isolation, Durability All results must conform to existing constraints in the database Database operations cannot be transactions

Answered by wiki @ 13/06/2021

Answer:

All database operations must either complete in its entirety or have no effect Atomicity, Consistency, Isolation, Durability

Explanation:

A database transaction must be atomic in the sense that it must either be complete in its entirety or would have no effect. Consistent-it should be by conforming to the constraints that are found in the database. Isolated - in the sense that it must not be seen to affect other transactions. Durable – there must be possibility for it to be written to a storage that is persistent.

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