SQL*Plus will finish the statement and execute it when the user types in this: A semicolon ( ; ) followed by [Enter]. A left slash ( ) followed by [Enter]. A period ( . ) followed by [Enter]. A colon ( : ) followed by [Enter]. TRUE ANSWER : ? YOUR ANSWER : ?
Which prefixes are available to Oracle triggers? Both :new and :old Neither :new nor :old :new only :old only TRUE ANSWER : ? YOUR ANSWER : ?
An Oracle System Change Number (SCN): is a value that is incremented whenever a dirty read occurs. is a value that is incremented whenever database changes are made. is incremented whenever a deadlock occurs. is a value that keeps track of explicit locks. TRUE ANSWER : ? YOUR ANSWER : ?
Which SQL phrase is not supported by Oracle? CREATE SEQUENCE [SequenceName] ON DELETE CASCADE DROP SEQUENCE [SequenceName] ON UPDATE CASCADE TRUE ANSWER : ? YOUR ANSWER : ?
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 ANSWER : ? YOUR ANSWER : ?
When you type Start FILENAME, the statement in your file will be executed automatically. True False TRUE ANSWER : ? YOUR ANSWER : ?
Oracle commands, column names, table names, view names and all other database elements are case sensitive. False True TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not true about modifying table columns? 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 can drop a column at any time. You cannot increase or decrease the number of decimal places. TRUE ANSWER : ? YOUR ANSWER : ?
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? Open [FileName] Edit [FileName] Alter [FileName] Show [FileName] TRUE ANSWER : ? YOUR ANSWER : ?