For_two_transactions_T1_and_T2,_T1_reads_a_field_that_has_been_updated – McqOptions

MCQOPTIONS

1.	For_two_transactions_T1_and_T2,_T1_reads_a_field_that_has_been_updated_by_T2_but_not_yet_committed.$
A.	Dirty Read
B.	Nonrepeatable read
C.	Phantom read
D.	Lost Updates
Answer» B. Nonrepeatable read

Discussion

No Comment Found

Related MCQs

For two transactions T1 and T2, T1 reads some rows from a table and then T2 inserts new rows into the table.
For two transactions T1 and T2, T1 reads a field and then T2 updates the field.
For two transactions T1 and T2, T1 reads a field that has been updated by T2 but not yet committed.
If there’s an existing transaction in progress, the current method should run within the nested transaction.
The current method should not run within a transaction. If there’s an existing transaction in progress, an exception will be thrown.
If there’s an existing transaction in progress, the current method can run within this transaction.
If there’s an existing transaction in progress, the current method should run within this transaction.
IF_THERE‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_AN_EXISTING_TRANSACTION_IN_PROGRESS,_THE_CURRENT_METHOD_SHOULD_RUN_WITHIN_THE_NESTED_TRANSACTION.?$#
For two transactions T1 and T2, T1 reads a field and then T2 updates the field.$
For_two_transactions_T1_and_T2,_T1_reads_a_field_that_has_been_updated_by_T2_but_not_yet_committed.$