1.实现效果: 2.代码: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title> New Document </title> <script type="text/javascript"
oracle 中随机取一条记录的两种方法 V_COUNT INT:=0; V_NUM INT :=0; 1:TBL_MYTABLE 表中要有一个值连续且唯一的列FID BEGIN SELECT COUNT(*) INTO V_COUNT FROM TBL_MYTABLE; SELECT TRUNC(DBMS_RADOM.VALUE(1,V_COUNT+1)) INTO V_NUM FROM DUAL; SELECT * FROM TBL_MYTABLE T WHERE T.FID=V_NUM;