PostgreSQL数据库入门(3)
date | repairs -----------+----------------------------------------------------------------- 2008-08-08| oil change, air filter, spark plugs 2011-09-30|35000 service, oil change, rotate tires/balance wheels 2012-03-07| repl battery 2012-11-14|45000 maint, oil/filter 2014-04-09|55000 maint, oil/filter, spark plugs, air/dust filters 2014-04-21| replace 4 tires 2014-04-21| wheel alignment 2016-06-01|65000 mile service, oil change 2017-05-16| oil change, replce oil filt housing 2017-05-26| rotate tires 2017-06-05| air filter, cabin filter,spark plugs 2017-06-05| brake pads and rotors, flush brakes 2017-08-11| airbag recall 2018-07-06| oil/filter change, fuel filter, battery svc 2018-07-06| transmission fl, p steering fl, rear diff fl 2019-07-22| oil & filter change, brake fluid flush, front differential flush 2019-08-20| replace 4 tires 2019-10-09| replace passenger taillight bulb 2019-10-25| replace passenger taillight assembly (19 rows) 要将此发送到文件,将输出更改为: \o autorepairs.txt 然后再次运行 SELECT 命令。 退出 PostgreSQL最后,在终端中退出 PostgreSQL,输入: quit 或者它的缩写版: \q 虽然这只是 PostgreSQL 的简要介绍,但我希望它展示了将数据库用于这样的简单任务既不困难也不费时。 (编辑:ASP站长网) |