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Oracle SQL Specifics Creating and Managing Database Objects

...fy actions that cause gaps in sequence numbers.
Use the ALTER SEQUENCE statement to extend the maximum value of a sequence.
Use the DROP SEQUENCE statement to remove a sequence from the data dictionary.
Match index types to their descriptions.
Use the CREATE INDEX statement to create an index.
Query the USER_IND_COLUMNS view in the data dictionary to display all indexes and the
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Oracle SQL Specifics Creating and Managing Database Objects
