Managing Databases with Oracle Which statement about sequences is not true? Sequences are most often used to provide values for surrogate keys. NextVal and CurrVal are both sequence methods. A sequence is an object that generates a sequential series of unique numbers. Sequences guarantee valid surrogate key values. Sequences are most often used to provide values for surrogate keys. NextVal and CurrVal are both sequence methods. A sequence is an object that generates a sequential series of unique numbers. Sequences guarantee valid surrogate key values. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle The default extension for an Oracle SQL*Plus file is: .sql .txt .ora .pls .sql .txt .ora .pls 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
Managing Databases with Oracle You have linked SQL*Plus to an external text editor. To invoke the text editor for use within SQL*Plus, which command do you use? Show [FileName] Open [FileName] Alter [FileName] Edit [FileName] Show [FileName] Open [FileName] Alter [FileName] Edit [FileName] 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? Full backup Inconsistent backup Differential backup Consistent backup Full backup Inconsistent backup Differential backup Consistent backup ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle An Oracle System Change Number (SCN): is a value that is incremented whenever database changes are made. is a value that is incremented whenever a dirty read occurs. is incremented whenever a deadlock occurs. is a value that keeps track of explicit locks. is a value that is incremented whenever database changes are made. is a value that is incremented whenever a dirty read occurs. is incremented whenever a deadlock occurs. is a value that keeps track of explicit locks. ANSWER DOWNLOAD EXAMIANS APP
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