The Maps and Weather apps can be customized based on your current location.
Answer the following statement true (T) or false (F)
True
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Suppose that transactions T1 and T2 can be decomposed into the subtransactions T1 : T1,1, T1,2 and T2 : T2,1, T2,2 such that the database items accessed by T1,1 and T2,1 are disjoint from the items accessed by T1,2 and T2,2. Instead of guaranteeing that all schedules involving T1 and T2 are serializable, suppose that a concurrency control guarantees that T1,1 is always executed serializably with T2,1 and that T1,2 is always executed serializably with T2,2.
a. Will T1 always be serializable with T2? Explain. b. What minimal additional condition on the subtransactions guarantees that the effect of executing T1 concurrently with T2 is the same as a serial schedule? c. Assuming that the condition of (b) holds, what advantage does the new concurrency control have over a concurrency control that guarantees serializability?
________ appears in the component object box when an ASPX page is selected.
a) Books.aspx b) BookInformation.aspx c) ASPX d) DOCUMENT e) None of the above.
Nearly every professionally developed Web page will contain two sections: the ____ and the body.
A. footer B. header C. title D. footnote
?Wrapping refers to the practice of storing backup media away from the main business location, in order to mitigate the risk of a catastrophic disaster, such as a flood, fire, or earthquake.
Answer the following statement true (T) or false (F)