Managing Multiuser Databases A cursor type in which the application can only move forward through the recordset is called: dynamic. forward only. static. keyset. dynamic. forward only. static. keyset. ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following occurs when a transaction rereads data it has previously read and finds modification or deletions caused by a committed transaction? Dirty read Nonrepeatable read Consistent read Phantom read Dirty read Nonrepeatable read Consistent read Phantom read 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
Managing Multiuser Databases Which of the following disallows both dirty reads and nonrepeatable reads, but allows phantom reads? Serializable Read committed Repeatable read Read uncommitted Serializable Read committed Repeatable read Read uncommitted ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Dirty read, nonrepeatable, and phantom reads are not possible in this instance. Read uncommitted Serializable Read committed Repeatable read Read uncommitted Serializable Read committed Repeatable read ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Locks placed by the DBMS are explicit locks. True False True False ANSWER DOWNLOAD EXAMIANS APP
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