engineering recuitment NIC NIELIT Scientist B 2023 Mock Test DBMS Transaction Properties of Transaction
Consider the following scenario. Transaction Ti writes on a data item which is later read by another transaction Tj. In cascadeless schedule, which of the following holds true ?
1
Commit operation of Ti appears before read operation of Tj
2
Commit operation of Tj appear before read operation of Ti
3
Commit only occurs after Ti & Tj operation
4
None of these