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--------------------------------------------------------- 20171102 09:21:58 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 09:22:03 select * from cat --------------------------------------------------------- 20171102 09:22:03 select * from article where art_id=12 --------------------------------------------------------- 20171102 09:22:15 select * from cat --------------------------------------------------------- 20171102 09:22:15 select * from article where art_id=11 --------------------------------------------------------- 20171102 09:22:17 select * from cat --------------------------------------------------------- 20171102 09:22:17 select * from article where art_id=10 --------------------------------------------------------- 20171102 10:49:38 select * from cat --------------------------------------------------------- 20171102 15:13:27 select * from cat --------------------------------------------------------- 20171102 15:19:21 select * from cat --------------------------------------------------------- 20171102 15:19:21 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:20:11 select * from cat --------------------------------------------------------- 20171102 15:20:11 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:20:13 select * from cat --------------------------------------------------------- 20171102 15:20:13 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:20:42 select * from cat --------------------------------------------------------- 20171102 15:20:42 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:20:42 select * from cat --------------------------------------------------------- 20171102 15:20:42 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:20:46 select * from cat --------------------------------------------------------- 20171102 15:20:46 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:21:01 select * from cat --------------------------------------------------------- 20171102 15:21:01 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:21:09 select * from cat --------------------------------------------------------- 20171102 15:21:09 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:21:10 select * from cat --------------------------------------------------------- 20171102 15:21:10 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:21:10 select * from cat --------------------------------------------------------- 20171102 15:21:10 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:21:33 select * from cat --------------------------------------------------------- 20171102 15:21:57 insert into article(title,cat_id,content,pubtime) values('梦想总是要有的','13','万一实现了呢？','1509607317') --------------------------------------------------------- 20171102 15:22:00 select * from cat --------------------------------------------------------- 20171102 15:22:00 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:29:33 select * from cat --------------------------------------------------------- 20171102 15:29:33 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:29:37 select * from cat --------------------------------------------------------- 20171102 15:29:37 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:29:48 select * from cat --------------------------------------------------------- 20171102 15:29:48 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:29:50 select * from cat --------------------------------------------------------- 20171102 15:29:50 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:29:51 select * from cat --------------------------------------------------------- 20171102 15:29:51 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:30:49 select * from cat --------------------------------------------------------- 20171102 15:30:49 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:31:22 select * from cat --------------------------------------------------------- 20171102 15:31:22 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:31:22 select * from cat --------------------------------------------------------- 20171102 15:31:22 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:31:23 select * from cat --------------------------------------------------------- 20171102 15:31:23 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:32:04 select * from cat --------------------------------------------------------- 20171102 15:32:04 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:32:04 select * from cat --------------------------------------------------------- 20171102 15:32:04 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:32:05 select * from cat --------------------------------------------------------- 20171102 15:32:05 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id --------------------------------------------------------- 20171102 15:32:41 select * from cat --------------------------------------------------------- 20171102 15:32:41 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id where cat_id=1 Column 'cat_id' in where clause is ambiguous --------------------------------------------------------- 20171102 15:33:44 select * from cat --------------------------------------------------------- 20171102 15:33:44 select article.*,cat.cat_name from article left join cat on article.cat_id=cat.cat_id where cat_id = 1 Column 'cat_id' in where clause is ambiguous --------------------------------------------------------- 20171102 15:33:54 select * from cat 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