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 of the following is NOT an Oracle-supported trigger? AFTER DURING INSTEAD OF BEFORE AFTER DURING INSTEAD OF BEFORE ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Indexes are created to enforce uniqueness on columns and to enable fast retrieval by column values. True False True False 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? To see the errors, enter SHOW ERRORS in SQL*Plus. If there are no syntax errors, you will receive the message "NO ERRORS." The line numbers reported match the line numbers you see in your text editor. SQL*Plus will automatically show the errors to you. To see the errors, enter SHOW ERRORS in SQL*Plus. If there are no syntax errors, you will receive the message "NO ERRORS." The line numbers reported match the line numbers you see in your text editor. SQL*Plus will automatically show the errors to you. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is not true about modifying table columns? You cannot increase or decrease the number of decimal places. You can drop a column at any time. You can increase the number of characters in character columns or the number of digits in numeric columns You can add a column at any time as long as it is a NULL column. You cannot increase or decrease the number of decimal places. You can drop a column at any time. You can increase the number of characters in character columns or the number of digits in numeric columns You can add a column at any time as long as it is a NULL column. 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? Alter [FileName] Open [FileName] Show [FileName] Edit [FileName] Alter [FileName] Open [FileName] Show [FileName] Edit [FileName] ANSWER DOWNLOAD EXAMIANS APP
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