单选题
发布日期:2020-04-10
SELECT TO_CHAR(SYSDATE,'yyyy') FROM dual;
SELECT TO_DATE(SYSDATE,'yyyy') FROM dual;
SELECT DECODE(SUBSTR(SYSDATE, 8), 'YYYY') FROM dual;
SELECT DECODE(SUBSTR(SYSDATE, 8), 'year') FROM dual;
SELECT TO_CHAR(SUBSTR(SYSDATE, 8,2),'yyyy') FROM dual;
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