Managing Multiuser Databases Which of the following locks the item from access of any type? Explicit lock Exclusive lock Shared lock Implicit lock Explicit lock Exclusive lock Shared lock Implicit lock ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following disallows both dirty reads and nonrepeatable reads, but allows phantom reads? Read committed Repeatable read Serializable Read uncommitted Read committed Repeatable read Serializable Read uncommitted ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A cursor type in which the application sees the data as they were at the time the cursor was opened is called: dynamic keyset forward only static dynamic keyset forward only static ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The lost update problem is when User A reads data that have been processed by a portion of a transaction from User B. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following locks the item from change but not from read? Shared lock Implicit lock Explicit lock Exclusive lock Shared lock Implicit lock Explicit lock Exclusive lock ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Two transactions that run concurrently and generate results that are consistent with the results that would have occurred if they had run separately are referred to as serializable transactions. True False True False ANSWER DOWNLOAD EXAMIANS APP
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