Managing Databases with Oracle Which of the following is not true about indexes? Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes. Indexes are created to enforce uniqueness on columns. Indexes are created to enable fast retrieval by column values. 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 enforce uniqueness on columns. Indexes are created to enable fast retrieval by column values. Indexes are created with the ALTER TABLE command. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle An Oracle System Change Number (SCN): is incremented whenever a deadlock occurs. is a value that is incremented whenever a dirty read occurs. is a value that is incremented whenever database changes are made. is a value that keeps track of explicit locks. is incremented whenever a deadlock occurs. is a value that is incremented whenever a dirty read occurs. is a value that is incremented whenever database changes are made. is a value that keeps track of explicit locks. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle The default extension for an Oracle SQL*Plus file is: .txt .ora .pls .sql .txt .ora .pls .sql 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] Alter [FileName] Open [FileName] Show [FileName] Edit [FileName] Alter [FileName] Open [FileName] Show [FileName] ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle When you type Start FILENAME, the statement in your file will be executed automatically. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which prefixes are available to Oracle triggers? Both :new and :old :old only Neither :new nor :old :new only Both :new and :old :old only Neither :new nor :old :new only ANSWER DOWNLOAD EXAMIANS APP
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