The for each in array loop performs the statements within it once for each item in the array simultaneously.

Explain qualitative risk analysis.

What will be an ideal response?

Consider the recovery aspects of the nested transactions . Assume that a withdraw transaction will abort if the account will be overdrawn and that in this case the parent transaction will also abort. Describe serially equivalent interleavings of T1, T2, U1 and U2 with the following properties:

What will be an ideal response?