Managing Multiuser Databases Locks placed by command are called ________ . exclusive locks explicit locks implicit locks shared locks exclusive locks explicit locks implicit locks shared locks 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 What is the overall responsibility of the DBA? Development, operation, and maintenance of the database and its applications Both the first and third answers above are correct. Facilitate the development and use of the database Create and populate tables Development, operation, and maintenance of the database and its applications Both the first and third answers above are correct. Facilitate the development and use of the database Create and populate tables ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A transaction in which either all of the database actions occur or none of them do is called: consistent. atomic. durable. isolated. consistent. atomic. durable. isolated. 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 Nonrepeatable read Dirty read Consistent read Phantom read Nonrepeatable read Dirty read ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Database administration refers to a function that applies to the entire organization. False True False True ANSWER DOWNLOAD EXAMIANS APP
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