Managing Databases with Oracle Oracle directly supports the definition of surrogate keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle You can check on the status of tables with the DESCRIBE or DESC command. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which statement about sequences is not true? NextVal and CurrVal are both sequence methods. Sequences guarantee valid surrogate key values. A sequence is an object that generates a sequential series of unique numbers. Sequences are most often used to provide values for surrogate keys. NextVal and CurrVal are both sequence methods. Sequences guarantee valid surrogate key values. A sequence is an object that generates a sequential series of unique numbers. Sequences are most often used to provide values for surrogate keys. 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? Edit [FileName] Open [FileName] Alter [FileName] Show [FileName] Edit [FileName] Open [FileName] Alter [FileName] Show [FileName] ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle In creating a procedure, you may get a message if you have compile errors. Which of the following is true? If there are no syntax errors, you will receive the message "NO ERRORS." SQL*Plus will automatically show the errors to you. To see the errors, enter SHOW ERRORS in SQL*Plus. The line numbers reported match the line numbers you see in your text editor. If there are no syntax errors, you will receive the message "NO ERRORS." SQL*Plus will automatically show the errors to you. To see the errors, enter SHOW ERRORS in SQL*Plus. The line numbers reported match the line numbers you see in your text editor. 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 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. ANSWER DOWNLOAD EXAMIANS APP
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