Managing Databases with Oracle Indexes are created to enforce uniqueness on columns and to enable fast retrieval by column values. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle When you type into SQL*Plus and press enter, the statement will be finished and executed. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle The semicolon terminates a SQL statement (and executes it). True False True False ANSWER DOWNLOAD EXAMIANS APP
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 with the ALTER TABLE command. Indexes are created to enable fast retrieval by column values. 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 with the ALTER TABLE command. Indexes are created to enable fast retrieval by column values. Indexes are created to enforce uniqueness on columns. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle An Oracle System Change Number (SCN): 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which prefixes are available to Oracle triggers? :old only :new only Neither :new nor :old Both :new and :old :old only :new only Neither :new nor :old Both :new and :old ANSWER DOWNLOAD EXAMIANS APP
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