Managing Databases with Oracle An Oracle System Change Number (SCN): is a value that is incremented whenever a dirty read occurs. is incremented whenever a deadlock occurs. is a value that keeps track of explicit locks. is a value that is incremented whenever database changes are made. is a value that is incremented whenever a dirty read occurs. is incremented whenever a deadlock occurs. is a value that keeps track of explicit locks. is a value that is incremented whenever database changes are made. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle To see the contents of the SQL*Plus buffer, type: CONTENTS BUFFER CURRENT LIST CONTENTS BUFFER CURRENT LIST ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle You have linked SQL*Plus to an external text editor. To invoke the text editor for use within SQL*Plus, which command do you use? Edit [FileName] Show [FileName] Open [FileName] Alter [FileName] Edit [FileName] Show [FileName] Open [FileName] Alter [FileName] ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle What Oracle backup and recover file contains user and system data? Control file OnLine ReDo file Datafile Offline ReDo file Control file OnLine ReDo file Datafile Offline ReDo file ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which SQL phrase is not supported by Oracle? DROP SEQUENCE [SequenceName] ON DELETE CASCADE CREATE SEQUENCE [SequenceName] ON UPDATE CASCADE DROP SEQUENCE [SequenceName] ON DELETE CASCADE CREATE SEQUENCE [SequenceName] ON UPDATE CASCADE ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which of the following is not true about indexes? Indexes are created to enforce uniqueness on columns. 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 with the ALTER TABLE command. Indexes are created to enforce uniqueness on columns. 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 with the ALTER TABLE command. ANSWER DOWNLOAD EXAMIANS APP
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