Managing Multiuser Databases Which of the following locks the item from access of any type? Implicit lock Shared lock Exclusive lock Explicit lock Implicit lock Shared lock Exclusive lock Explicit lock 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? Dirty read Consistent read Nonrepeatable read Phantom read Dirty read Consistent read Nonrepeatable read Phantom read ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following refers to a cursor type that when the cursor is opened, a primary key value is saved for each row in the recordset; when the application accesses a row, the key is used to fetch the current values of the row? Static Keyset Forward only Dynamic Static Keyset Forward only Dynamic ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Locks placed by the DBMS are explicit locks. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases What is the overall responsibility of the DBA? 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 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 Which of the following allows dirty reads, nonrepeatable reads and phantom reads to occur? Read uncommitted Repeatable read Serializable Read committed Read uncommitted Repeatable read Serializable Read committed ANSWER DOWNLOAD EXAMIANS APP
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