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 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 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 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 can add a column at any time as long as it is a NULL column. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Of the three ways to create an Oracle database, which one is the easiest and most recommended? Using the Oracle-supplied database creation procedures. None of these Using the SQL CREATE DATABASE command. Using the Oracle Database Configuration Assistant. Using the Oracle-supplied database creation procedures. None of these Using the SQL CREATE DATABASE command. Using the Oracle Database Configuration Assistant. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Indexes are created to enforce uniqueness on columns and to enable fast retrieval by column values. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle, the world's most popular DBMS, is powerful and robust, running on many different operating systems. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which SQL phrase is not supported by Oracle? CREATE SEQUENCE [SequenceName] ON UPDATE CASCADE DROP SEQUENCE [SequenceName] ON DELETE CASCADE CREATE SEQUENCE [SequenceName] ON UPDATE CASCADE DROP SEQUENCE [SequenceName] ON DELETE CASCADE ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle You can check on the status of tables with the DESCRIBE or DESC command. False True False True ANSWER DOWNLOAD EXAMIANS APP
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