Managing Databases with Oracle Oracle maintains a System Change Number (SCN) which is a database-wide value that is incremented by Oracle whenever database changes are made. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which statement about sequences is not true? Sequences guarantee valid surrogate key values. Sequences are most often used to provide values for surrogate keys. A sequence is an object that generates a sequential series of unique numbers. NextVal and CurrVal are both sequence methods. Sequences guarantee valid surrogate key values. Sequences are most often used to provide values for surrogate keys. A sequence is an object that generates a sequential series of unique numbers. NextVal and CurrVal are both sequence methods. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle An Oracle System Change Number (SCN): is a value that is incremented whenever a dirty read occurs. is a value that keeps track of explicit locks. is incremented whenever a deadlock occurs. is a value that is incremented whenever database changes are made. is a value that is incremented whenever a dirty read occurs. is a value that keeps track of explicit locks. is incremented whenever a deadlock occurs. is a value that is incremented whenever database changes are made. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle allows the ORDER BY clause in view definitions. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is NOT an Oracle-supported trigger? BEFORE AFTER INSTEAD OF DURING BEFORE AFTER INSTEAD OF DURING ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle The semicolon terminates a SQL statement (and executes it). True False True False ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS