摘要: http://blog.csdn.net/hantiannan/article/details/4517192http://www.cnblogs.com/gaojian/archive/2012/11/08/2759874.htmlhttp://m.oschina.net/blog/135872h... 阅读全文
posted @ 2014-05-30 17:33 bielidefeng 阅读(325) 评论(0) 推荐(0)
摘要: ubuntu追加空间http://blog.csdn.net/openme_openwrt/article/details/8099956-------------------播放视频avi等使用SMPLAYER播放器-----------终端目录的说明使用“/usr/.....”===>系统目录... 阅读全文
posted @ 2014-05-30 11:05 bielidefeng 阅读(450) 评论(0) 推荐(0)
摘要: ----------ps -ewf显示所有进程,ps -a|grep ss指的是显示ss关键字的所有进程。top是动态显示进程。---------cat直接将文件内容显示在终端上。 ---------查看linux系统版本信息cat /etc/*release。---------从一台Linux机子... 阅读全文
posted @ 2014-05-30 11:04 bielidefeng 阅读(287) 评论(0) 推荐(0)
摘要: 继承:http://www.postgresql.org/docs/9.3/static/ddl-inherit.html分区表:http://www.postgresql.org/docs/9.3/static/ddl-partitioning.html分区表需要和trigger一起使用才可。CR... 阅读全文
posted @ 2014-05-30 10:34 bielidefeng 阅读(98) 评论(0) 推荐(0)
摘要: http://www.postgresql.org/docs/9.3/static/functions-comparisons.html#AEN18448Row-wise Comparison:row的定义:http://www.postgresql.org/docs/9.3/static/sql-... 阅读全文
posted @ 2014-05-30 10:34 bielidefeng 阅读(192) 评论(0) 推荐(0)
摘要: 全文检索:http://www.postgresql.org/docs/9.3/interactive/textsearch.htmlpostgres 切词:http://blog.163.com/digoal@126/blog/static/163877040201422410175698/ts_... 阅读全文
posted @ 2014-05-30 10:34 bielidefeng 阅读(218) 评论(0) 推荐(0)
摘要: update/delete .. order by .. limit ..:update aa set b='mmmmmmmmbbbbbbbb' where a>10 order by a limit 1; 会报错:因为update 不能和order by 或limit 联合使用。如果需要使用则需要... 阅读全文
posted @ 2014-05-30 10:34 bielidefeng 阅读(218) 评论(0) 推荐(0)
摘要: http://www.postgresql.org/docs/9.3/static/plpgsql-statements.html#PLPGSQL-STATEMENTS-DIAGNOSTICSEXECUTE format('UPDATE tbl SET %I = $1 WHERE key = $2'... 阅读全文
posted @ 2014-05-30 10:34 bielidefeng 阅读(98) 评论(0) 推荐(0)
摘要: http://blog.163.com/digoal@126/blog/static/163877040201111694355822/http://blog.163.com/digoal@126/blog/static/1638770402012520105855757/游标使用注意点:http:... 阅读全文
posted @ 2014-05-30 10:34 bielidefeng 阅读(304) 评论(0) 推荐(0)
摘要: btree & hash索引:http://www.kankanews.com/ICkengine/archives/127746.shtmlhttp://blog.csdn.net/tonyxf121/article/details/7976824http://www.uml.org.cn/sjj... 阅读全文
posted @ 2014-05-30 10:34 bielidefeng 阅读(172) 评论(0) 推荐(0)