Managing Multiuser Databases A point of synchronization between the database and the transaction log is generally referred to as a stop point. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following occurs when one transaction reads a changed record that has not been committed to the database? Consistent read Phantom read Dirty read Nonrepeatable read Consistent read Phantom read Dirty read Nonrepeatable read ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases An ACID transaction is one that is atomic, consistent isolated, and durable. True False True False 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? Consistent read Nonrepeatable read Phantom read Dirty read Consistent read Nonrepeatable read Phantom read Dirty read ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases What is the overall responsibility of the DBA? Create and populate tables Facilitate the development and use of the database Development, operation, and maintenance of the database and its applications Both the first and third answers above are correct. Create and populate tables Facilitate the development and use of the database Development, operation, and maintenance of the database and its applications Both the first and third answers above are correct. ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Locks placed by the DBMS are called ________ . exclusive locks implicit locks explicit locks shared locks exclusive locks implicit locks explicit locks shared locks ANSWER DOWNLOAD EXAMIANS APP
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