---"17:10:13.236"
time without time zone:时:分:秒.毫秒
---"17:10:13.236+08"
time with time zone:时:分:秒.毫秒+时区
---"2016-06-02 17:18:25.281"
timestamp without time zone:年月日时:分:秒.毫秒
---"2016-06-02 17:18:25.281+08"
timestamp with time zone:年月日时:分:秒.毫秒+时区
详细可学习PostgreSQL官网:https://www.postgresql.org/docs/9.2/static/functions-formatting.html
记录完成。