A(n)occurs when a transaction executes a query at time t1,and then it runs the same query at time t2,yielding additional rows that satisfy the query.
A)phantom read
B)dirty read
C)uncommitted dependency
D)nonrepeatable read

Question

Quizplus · Accepted Answer

A phantom read occurs when a transaction reads a set of rows that satisfy a condition, and then, upon re-execution of the same query, additional rows are found that satisfy the condition due to another transaction's insertions.

A(n)occurs When a Transaction Executes a Query at Time T1,and