Which two statements are true about sequences created in a single instance database?(Choose two.)

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answerhappygod
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Which two statements are true about sequences created in a single instance database?(Choose two.)

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Which two statements are true about sequences created in a single instance database?(Choose two.)

A. CURRVAL is used to refer to the last sequence number that has been generated
B. DELETE <sequencename> would remove a sequence from the database
C. The numbers generated by a sequence can be used only for one table
D. When the MAXVALUE limit for a sequence is 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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