Managing Multiuser Databases Locks placed by the DBMS are called ________ . exclusive locks explicit locks implicit locks shared locks exclusive locks explicit locks implicit locks shared locks ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases In this instance, dirty reads are disallowed, while nonrepeatable reads and phantom reads are allowed. Serializable Read uncommitted Read committed Repeatable read Serializable Read uncommitted Read committed Repeatable 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 Locks placed by the DBMS are explicit locks. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following disallows both dirty reads and nonrepeatable reads, but allows phantom reads? Read committed Serializable Read uncommitted Repeatable read Read committed Serializable Read uncommitted Repeatable read ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A transaction for which all committed changes are permanent is called: isolated. atomic. durable. consistent. isolated. atomic. durable. consistent. ANSWER DOWNLOAD EXAMIANS APP
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