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The following represents the sequence of events in a schedule involving transactions T1, T2, T3, T4 and T5. A,B, C, D, E, F are items in the database.

12

:

Read

B

T4

:

Read

D

12

:

Read

E

12

:

Write

E

T3

:

Read

F

12

:

Read

F

T1

:

Read

C

T5

:

Read

A

T5

:

Write

A

T1

:

Read

E

T5

:

Read

C

T3

:

Read

A

T5

:

Write

C

12

:

Write

F

T4

  →.

Read

A

Draw a wait-for-graph for the data above and find whether the transactions are in a deadlock or not?

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