Managing Databases with Oracle Which of the following is not true about modifying table columns? You can drop a column at any time. 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 increase the number of characters in character columns or the number of digits in numeric columns You can drop a column at any time. 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 increase the number of characters in character columns or the number of digits in numeric columns ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle will let you define Notepad as your default editor, and whenever you type NOTEPAD, SQL*Plus will invoke Notepad. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle What Oracle backup and recover file contains user and system data? Offline ReDo file Control file Datafile OnLine ReDo file Offline ReDo file Control file Datafile OnLine ReDo file ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle directly supports the definition of surrogate keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle SQL*Plus will finish the statement and execute it when the user types in this: A left slash ( ) followed by [Enter]. A colon ( : ) followed by [Enter]. A semicolon ( ; ) followed by [Enter]. A period ( . ) followed by [Enter]. A left slash ( ) followed by [Enter]. A colon ( : ) followed by [Enter]. A semicolon ( ; ) followed by [Enter]. A period ( . ) followed by [Enter]. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle does NOT support a CASCADE UPDATE constraint. True False True False ANSWER DOWNLOAD EXAMIANS APP