Suppose a database schedule S involves transactions T1, ...., Tn. Construct the precedence graph of S with vertices representing the transactions and edges representing the conflicts. If S is serializable, which one of the following orderings of the vertices of the precedence graph is guaranteed to yield a serial schedule?

Ascending order of transaction indices

Suppose a database schedule S involves transactions T1, ...., Tn. Cons

1.	Suppose a database schedule S involves transactions T1, ...., Tn. Construct the precedence graph of S with vertices representing the transactions and edges representing the conflicts. If S is serializable, which one of the following orderings of the vertices of the precedence graph is guaranteed to yield a serial schedule?
A.	Topological order
B.	Depth-first order
C.	Breadth-first order
D.	Ascending order of transaction indices
Answer» B. Depth-first order

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