Managing Multiuser Databases The size of a lock is called: implicit lock shared lock lock granularity exclusive lock implicit lock shared lock lock granularity exclusive lock ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following refers to a cursor type that when the cursor is opened, a primary key value is saved for each row in the recordset; when the application accesses a row, the key is used to fetch the current values of the row? Forward only Keyset Dynamic Static Forward only Keyset Dynamic Static ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases When two transactions are being processed against the database at the same time they are termed concurrent transactions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The goal of database security is to ensure that only authorized users can perform authorized activities at authorized times. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases In this instance, dirty reads are disallowed, while nonrepeatable reads and phantom reads are allowed. Read committed Read uncommitted Repeatable read Serializable Read committed Read uncommitted Repeatable read Serializable ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A transaction for which all committed changes are permanent is called: durable. isolated. atomic. consistent. durable. isolated. atomic. consistent. ANSWER DOWNLOAD EXAMIANS APP
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