Managing Databases with Oracle Which statement about sequences is not true? Sequences guarantee valid surrogate key values. NextVal and CurrVal are both sequence methods. Sequences are most often used to provide values for surrogate keys. A sequence is an object that generates a sequential series of unique numbers. Sequences guarantee valid surrogate key values. NextVal and CurrVal are both sequence methods. Sequences are most often used to provide values for surrogate keys. A sequence is an object that generates a sequential series of unique numbers. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which SQL phrase is not supported by Oracle? ON UPDATE CASCADE ON DELETE CASCADE DROP SEQUENCE [SequenceName] CREATE SEQUENCE [SequenceName] ON UPDATE CASCADE ON DELETE CASCADE DROP SEQUENCE [SequenceName] CREATE SEQUENCE [SequenceName] ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle An Oracle System Change Number (SCN): is a value that keeps track of explicit locks. is a value that is incremented whenever a dirty read occurs. is incremented whenever a deadlock occurs. is a value that is incremented whenever database changes are made. is a value that keeps track of explicit locks. is a value that is incremented whenever a dirty read occurs. 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, the world's most popular DBMS, is powerful and robust, running on many different operating systems. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle The default extension for SQL*Plus is .sql. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle What is the type of Oracle backup in which all uncommitted changes have been removed from the datafiles? Differential backup Consistent backup Full backup Inconsistent backup Differential backup Consistent backup Full backup Inconsistent backup ANSWER DOWNLOAD EXAMIANS APP
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