Use the CYCLE option to continue generating sequence values after the sequence reaches the maximum (ascending) or minimum (descending) limit. After an ascending sequence reaches the max value, it generates the min value for the next sequence value. After a descending sequence reaches the min value, it generates the max value for the next sequence value.
The default is NOCYCLE. At this default setting, the sequence cannot generate more values after reaching the declared limit. Once the sequence reaches the limit, the next reference to sequence.NEXTVAL returns an error.
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