Managing Databases with Oracle After a table has been created, its structure can be modified using the SQL command: UPDATE TABLE [TableName]. MODIFY TABLE [TableName]. CHANGE TABLE [TableName]. ALTER TABLE [TableName]. UPDATE TABLE [TableName]. MODIFY TABLE [TableName]. CHANGE TABLE [TableName]. ALTER TABLE [TableName]. 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? Instance Failure Rollback failure Application failure Media Failure Instance Failure Rollback failure Application failure Media Failure 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 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 can drop a column at any time. 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 increase the number of characters in character columns or the number of digits in numeric columns 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 cannot increase or decrease the number of decimal places. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle In creating a procedure, you may get a message if you have compile errors. Which of the following is true? The line numbers reported match the line numbers you see in your text editor. SQL*Plus will automatically show the errors to you. To see the errors, enter SHOW ERRORS in SQL*Plus. If there are no syntax errors, you will receive the message "NO ERRORS." The line numbers reported match the line numbers you see in your text editor. SQL*Plus will automatically show the errors to you. To see the errors, enter SHOW ERRORS in SQL*Plus. If there are no syntax errors, you will receive the message "NO ERRORS." ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which SQL phrase is not supported by Oracle? ON DELETE CASCADE CREATE SEQUENCE [SequenceName] ON UPDATE CASCADE DROP SEQUENCE [SequenceName] ON DELETE CASCADE CREATE SEQUENCE [SequenceName] ON UPDATE CASCADE DROP SEQUENCE [SequenceName] ANSWER DOWNLOAD EXAMIANS APP
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