43.Evaluate the following CREATE SEQUENCE statement:

43.Evaluate the following CREATE SEQUENCE statement:

CREATE SEQUENCE seq1

START WITH 100

INCREMENT BY 10

MAXVALUE 200

CYCLE

NOCACHE;

The SEQ1 sequence has generated numbers up to the maximum limit of 200. You issue the following

SQL statement:

SELECT seq1.nextval FROM dual;

What is displayed by the SELECT statement?

A.1

B.10

C.100

D.an err

答案：A

解析：这里创建了一个序列，增量为10，最大为200，开始为100，循环，不缓存,

如果达到最大值的时候，如果没有指定最小值，那么会从1开始，如果指定的话，会从最小值开始