Managing Multiuser Databases What is the overall responsibility of the DBA? Create and populate tables Both the first and third answers above are correct. Facilitate the development and use of the database Development, operation, and maintenance of the database and its applications Create and populate tables Both the first and third answers above are correct. Facilitate the development and use of the database Development, operation, and maintenance of the database and its applications ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A transaction for which all committed changes are permanent is called: consistent. atomic. durable. isolated. consistent. atomic. durable. isolated. ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A phantom read occurs when a transaction rereads data it has previously read and finds modifications or deletions caused by a committed transaction. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Locks placed by the DBMS are explicit locks. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A transaction is a series of actions to be taken on the database so that either all of them are performed successfully or none of them are performed at all. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A cursor type in which the application can only move forward through the recordset is called: forward only. keyset. dynamic. static. forward only. keyset. dynamic. static. ANSWER DOWNLOAD EXAMIANS APP