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