Select to_char(sysdate,'ss') from dual取当前时间秒部分 Select to_char(sysdate,'mi') from dual取当前时间分钟部分 Select to_char(sysdate,'HH24') from dual取当前时间秒小时部分
以sys用户登录 SQL> drop role plustrace; drop role plustrace *  
create table t (x int); --创建测试表 insert into t values(1); &
DECLARE names VARCHAR2(60) := 'Anna,Matt,Joe,Nathan,Andrew,Aaron,Jeff'; names_adjusted VARCHAR2(61); comma_location NUMBER := 0; &nbs
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