Managing Databases with Oracle Oracle, the world's most popular DBMS, is powerful and robust, running on many different operating systems. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle After a table has been created, its structure can be modified using the SQL command: MODIFY TABLE [TableName]. UPDATE TABLE [TableName]. ALTER TABLE [TableName]. CHANGE TABLE [TableName]. MODIFY TABLE [TableName]. UPDATE TABLE [TableName]. ALTER TABLE [TableName]. CHANGE TABLE [TableName]. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle To obtain the structure of an Oracle table, the command to use is: DESC TABLE [TableName]. STRUCTURE [TableName]. DESCRIBE [TableName]. DESCRIBE STRUCTURE [TableName]. DESC TABLE [TableName]. STRUCTURE [TableName]. DESCRIBE [TableName]. DESCRIBE STRUCTURE [TableName]. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle 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 cannot increase or decrease the number of decimal places. 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 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 drop a column at any time. You can add a column at any time as long as it is a NULL column. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle 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 False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle You can use the DROP statement to remove structures from the database. False True False True ANSWER DOWNLOAD EXAMIANS APP
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