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? A sequence is an object that generates a sequential series of unique numbers. Sequences are most often used to provide values for surrogate keys. NextVal and CurrVal are both sequence methods. Sequences guarantee valid surrogate key values. A sequence is an object that generates a sequential series of unique numbers. Sequences are most often used to provide values for surrogate keys. NextVal and CurrVal are both sequence methods. Sequences guarantee valid surrogate key values. 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. 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. Indexes are created with the ALTER TABLE command. Indexes are created to enforce uniqueness on columns. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle If there is only one statement and no ambiguity about what is wanted, Oracle will treat the semicolon and slash as the same. False True False True ANSWER DOWNLOAD EXAMIANS APP
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 The default extension for an Oracle SQL*Plus file is: .ora .txt .sql .pls .ora .txt .sql .pls ANSWER DOWNLOAD EXAMIANS APP
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