SELECT * FROM Student AS OF TIMESTAMP SYSDATE – 3/1440
对SQL的解释说明:
SYSDATE :当前时间
1440 :24h*60m=1440m
3:3分钟前
原创文章,作者:奋斗,如若转载,请注明出处:https://blog.ytso.com/tech/database/3976.html
SELECT * FROM Student AS OF TIMESTAMP SYSDATE – 3/1440
对SQL的解释说明:
SYSDATE :当前时间
1440 :24h*60m=1440m
3:3分钟前
原创文章,作者:奋斗,如若转载,请注明出处:https://blog.ytso.com/tech/database/3976.html