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 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. 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. 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? If there are no syntax errors, you will receive the message "NO ERRORS." To see the errors, enter SHOW ERRORS in SQL*Plus. SQL*Plus will automatically show the errors to you. The line numbers reported match the line numbers you see in your text editor. If there are no syntax errors, you will receive the message "NO ERRORS." To see the errors, enter SHOW ERRORS in SQL*Plus. SQL*Plus will automatically show the errors to you. The line numbers reported match the line numbers you see in your text editor. 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? Application failure Media Failure Rollback failure Instance Failure Application failure Media Failure Rollback failure Instance Failure 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-supplied database creation procedures. Using the Oracle Database Configuration Assistant. Using the SQL CREATE DATABASE command. None of these Using the Oracle-supplied database creation procedures. Using the Oracle Database Configuration Assistant. Using the SQL CREATE DATABASE command. 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
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