Managing Databases with Oracle After a table has been created, its structure can be modified using the SQL command: ALTER TABLE [TableName]. CHANGE TABLE [TableName]. UPDATE TABLE [TableName]. MODIFY TABLE [TableName]. ALTER TABLE [TableName]. CHANGE TABLE [TableName]. UPDATE TABLE [TableName]. MODIFY TABLE [TableName]. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which statement about sequences is not true? Sequences guarantee valid surrogate key values. Sequences are most often used to provide values for surrogate keys. A sequence is an object that generates a sequential series of unique numbers. NextVal and CurrVal are both sequence methods. Sequences guarantee valid surrogate key values. Sequences are most often used to provide values for surrogate keys. A sequence is an object that generates a sequential series of unique numbers. NextVal and CurrVal are both sequence methods. 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 Of the three ways to create an Oracle database, which one is the easiest and most recommended? None of these Using the Oracle Database Configuration Assistant. Using the Oracle-supplied database creation procedures. Using the SQL CREATE DATABASE command. None of these Using the Oracle Database Configuration Assistant. Using the Oracle-supplied database creation procedures. Using the SQL CREATE DATABASE command. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which prefixes are available to Oracle triggers? Both :new and :old :new only Neither :new nor :old :old only Both :new and :old :new only Neither :new nor :old :old only ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which SQL phrase is not supported by Oracle? ON DELETE CASCADE DROP SEQUENCE [SequenceName] CREATE SEQUENCE [SequenceName] ON UPDATE CASCADE ON DELETE CASCADE DROP SEQUENCE [SequenceName] CREATE SEQUENCE [SequenceName] ON UPDATE CASCADE ANSWER DOWNLOAD EXAMIANS APP
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