Explain Which Two Statements Are True About Sequences Created In A Single Instance Database? (Choose Two.) A. The Numbers Generated By A Sequence Can Be Used Only For One Table B. DELETE <sequencename> Would Remove A Sequence From The Database C. CURRVAL Is Used To Refer To The Last Sequence Number That Has Been Generated D. When The MAXVALUE Limit For A Sequence For Reached, You Can Increase The MAXVALUE Limit By Using The ALTER SEQUENCE Statement E. When A Database Instance Shuts Down Abnormally, The Sequence Numbers That Have Been Cached But Not Used Would Be Available Once Again When The Database Instance Is Restarted

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⟩ Explain Which two statements are true about sequences created in a single instance database? (Choose two.) A. The numbers generated by a sequence can be used only for one table B. DELETE <sequencename> would remove a sequence from the database C. CURRVAL is used to refer to the last sequence number that has been generated D. When the MAXVALUE limit for a sequence for reached, you can increase the MAXVALUE limit by using the ALTER SEQUENCE statement E. When a database instance shuts down abnormally, the sequence numbers that have been cached but not used would be available once again when the database instance is restarted

C. CURRVAL is used to refer to the last sequence number that has been generated

D. When the MAXVALUE limit for a sequence for reached, you can increase the MAXVALUE limit

by using the ALTER SEQUENCE statement

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