Managing Multiuser Databases Locks placed by the DBMS are called ________ . explicit locks shared locks exclusive locks implicit locks explicit locks shared locks exclusive locks implicit locks ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The overall responsibility of the DBA is to facilitate the development and use of the database. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Resource locking is a process to prevent multiple applications from obtaining copies of the same record when the record is about to be changed. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following occurs when a transaction rereads data and finds new rows that were inserted by a command transaction since the prior read? Phantom read Consistent read Dirty read Nonrepeatable read Phantom read Consistent read Dirty read Nonrepeatable read ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Database administration refers to a function that applies to the entire organization. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following locks the item from change but not from read? Implicit lock Exclusive lock Explicit lock Shared lock Implicit lock Exclusive lock Explicit lock Shared lock ANSWER DOWNLOAD EXAMIANS APP
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