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 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 Locks placed by command are called ________ . shared locks exclusive locks explicit locks implicit locks shared locks exclusive locks explicit locks implicit locks ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Locks placed by command are implicit locks. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases What is the overall responsibility of the DBA? Facilitate the development and use of the database Both the first and third answers above are correct. Development, operation, and maintenance of the database and its applications Create and populate tables Facilitate the development and use of the database Both the first and third answers above are correct. Development, operation, and maintenance of the database and its applications Create and populate tables ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A point of synchronization between the database and the transaction log is generally referred to as a stop point. False True False True ANSWER DOWNLOAD EXAMIANS APP
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