Managing Databases with Oracle What is the type of Oracle backup in which all uncommitted changes have been removed from the datafiles? Differential backup Inconsistent backup Full backup Consistent backup Differential backup Inconsistent backup Full backup Consistent backup ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is not true about modifying table 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 can increase the number of characters in character columns or the number of digits in numeric columns You cannot increase or decrease the number of decimal places. 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 can increase the number of characters in character columns or the number of digits in numeric columns You cannot increase or decrease the number of decimal places. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle When using SQL*Plus, Oracle commands, column names, table names and all other database elements: must always be in lower case. must always be in upper case. are case insensitive. are case sensitive. must always be in lower case. must always be in upper case. are case insensitive. are case sensitive. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle An Oracle System Change Number (SCN): 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. is a value that is incremented whenever database changes are made. is a value that is incremented whenever a dirty read occurs. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle The default extension for SQL*Plus is .sql. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which prefixes are available to Oracle triggers? :new only Neither :new nor :old :old only Both :new and :old :new only Neither :new nor :old :old only Both :new and :old ANSWER DOWNLOAD EXAMIANS APP