Managing Databases with Oracle What type of failure occurs when Oracle fails due to an operating system or computer hardware failure? Application failure Rollback failure Instance Failure Media Failure Application failure Rollback failure Instance Failure Media Failure 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. NextVal and CurrVal are both sequence methods. A sequence is an object that generates a sequential series of unique numbers. Sequences guarantee valid surrogate key values. Sequences are most often used to provide values for surrogate keys. NextVal and CurrVal are both sequence methods. A sequence is an object that generates a sequential series of unique numbers. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which prefixes are available to Oracle triggers? Both :new and :old :new only :old only Neither :new nor :old Both :new and :old :new only :old only Neither :new nor :old 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? SQL*Plus will automatically show the errors to you. The line numbers reported match the line numbers you see in your text editor. To see the errors, enter SHOW ERRORS in SQL*Plus. If there are no syntax errors, you will receive the message "NO ERRORS." SQL*Plus will automatically show the errors to you. The line numbers reported match the line numbers you see in your text editor. 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 of the following is not true about indexes? Indexes are created to enable fast retrieval by column values. Indexes are created to enforce uniqueness on columns. Indexes are created with the ALTER TABLE command. Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes. Indexes are created to enable fast retrieval by column values. Indexes are created to enforce uniqueness on columns. Indexes are created with the ALTER TABLE command. Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes. ANSWER DOWNLOAD EXAMIANS APP
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