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 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. You can drop a column at any time. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle allows the ORDER BY clause in view definitions. True False True False 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 When you type into SQL*Plus and press enter, the statement will be finished and executed. 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? Media Failure Instance Failure Rollback failure Application failure Media Failure Instance Failure Rollback failure Application failure ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle When you type Start FILENAME, the statement in your file will be executed automatically. True False True False ANSWER DOWNLOAD EXAMIANS APP
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