Managing Databases with Oracle Which of the following is not true about modifying table columns? You can drop a column at any time. 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 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. 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 Sequences guarantee valid surrogate key values. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle What type of failure occurs when Oracle fails due to an operating system or computer hardware failure? Application failure Media Failure Instance Failure Rollback failure Application failure Media Failure Instance Failure Rollback failure ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle To see the contents of the SQL*Plus buffer, type: BUFFER CONTENTS CURRENT LIST BUFFER CONTENTS CURRENT LIST ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle SQL*Plus will finish the statement and execute it when the user types in this: 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]. A left slash ( ) followed by [Enter]. A colon ( : ) followed by [Enter]. A semicolon ( ; ) followed by [Enter]. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle The default extension for an Oracle SQL*Plus file is: .ora .pls .sql .txt .ora .pls .sql .txt ANSWER DOWNLOAD EXAMIANS APP
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