Managing Databases with Oracle After a table has been created, its structure can be modified using the SQL command: MODIFY TABLE [TableName]. ALTER TABLE [TableName]. UPDATE TABLE [TableName]. CHANGE TABLE [TableName]. MODIFY TABLE [TableName]. ALTER TABLE [TableName]. UPDATE TABLE [TableName]. CHANGE TABLE [TableName]. 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. False True False True 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. A sequence is an object that generates a sequential series of unique numbers. NextVal and CurrVal are both sequence methods. Sequences guarantee valid surrogate key values. Sequences are most often used to provide values for surrogate keys. A sequence is an object that generates a sequential series of unique numbers. NextVal and CurrVal are both sequence methods. Sequences guarantee valid surrogate key values. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle When you type into SQL*Plus and press enter, the statement will be finished and executed. True False True False 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? Media Failure Instance Failure Rollback failure Application failure Media Failure Instance Failure Rollback failure Application failure ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which SQL phrase is not supported by Oracle? CREATE SEQUENCE [SequenceName] DROP SEQUENCE [SequenceName] ON UPDATE CASCADE ON DELETE CASCADE CREATE SEQUENCE [SequenceName] DROP SEQUENCE [SequenceName] ON UPDATE CASCADE ON DELETE CASCADE ANSWER DOWNLOAD EXAMIANS APP
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