Transactions Crossword Puzzle
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QUESTIONS LIST:
- atomicity : a property that ensures a transaction is treated as a single unit, either fully completed or not at all
- isolation : ensures that concurrently executing transactions do not interfere with each other
- durability : guarantees that once a transaction commits, its changes are permanent even after a failure
- consistency : ensures that a transaction brings the database from one valid state to another
- active : the initial state of a transaction when it starts execution
- committed : the state indicating successful execution and permanent saving of a transaction's changes
- abort : the state where a transaction is rolled back due to failure or error
- serializability : the concept that ensures concurrent transactions produce the same result as some serial execution
- conflict serializability : a type of serializability that considers conflicts between operations to determine schedule validity
- view serializability : a relaxed serializability that ensures the same final results as a serial schedule
- precedence graph : a directed graph used to test whether a schedule is conflict-serializable
- twophaselocking : a concurrency protocol that divides execution into growing and shrinking phases
- strict2pl : a stricter variant of 2pl that holds all locks until transaction commit to avoid cascading rollbacks
- timestamp protocol : a concurrency control method that orders transactions using timestamps
- deadlock : a situation where two or more transactions wait indefinitely for each other's resources
