我博客上的图片原来都存放在www.zyan.cc服务器上,由于该服务器不稳定,于是我将所有图片切换到了blog.zyan.cc服务器上,同时在MySQL数据库中,将字符串www.zyan.cc批量替换为blog.zyan.cc。为了方便以后使用,我将这条“将字符串aaa批量替换为bbb”的SQL语句记录在此:
引用
UPDATE 表名 SET 字段名 = REPLACE (字段名, 'aaa', 'bbb');


Tags:



技术大类 » 数据库技术 | 评论(52) | 引用(0) | 阅读(53310)
shz Email
2022-7-16 22:24
The material and aggregation is excellent and telltale as comfortably.   online scams
shzz Email
2022-7-16 22:27
I’ve been searching for some decent stuff on the subject and haven't had any luck up until this point, You just got a new biggest fan!..  online scams
shz Email
2022-7-16 22:32
This is a wonderful article, Given so much info in it, These type of articles keeps the users interest in the website, and keep on sharing more ... good luck.  online scams
shzz Email
2022-7-16 22:39
so happy to find good place to many here in the post, the writing is just great, thanks for the post.  online scams
shz Email
2022-7-16 22:48
It’s very informative and you are obviously very knowledgeable in this area. You have opened my eyes to varying views on this topic with interesting and solid content.  online scams
shz Email
2022-7-16 22:54
Three are usually cheap Ralph Lauren available for sale each and every time you wish to buy.  online scams
shzz Email
2022-7-16 23:02
I see some amazingly important and kept up to length of your strength searching for in your on the site  online scams
shz Email
2022-7-16 23:03
Took me time to read all the comments, but I really enjoyed the article. It proved to be Very helpful to me and I am sure to all the commenters here! It’s always nice when you can not only be informed, but also entertained!  online scams
Razamehmood Email Homepage
2022-11-24 20:21
Create a reference table (required for simulation data) CREATE TABLE ' Test_nums ' (  ' id ' int (one) unsigned not NULL auto_increment,  primary KEY (' id ') Engine=innodb DEFAULT Charset=utf8 comment= ' reference table ';//analog data, insert 1-10000 continuous data.//Create a Test table ' Test_sign_history ' (& nbsp; ' id ' int (ten) unsigned NOT NULL auto_increment,   ' uid ' int (one) unsigned not null DEFAULT ' 0 ' COMMENT ' user ID ', &nbs p; ' Create_time ' timestamp not NULL DEFAULT current_timestamp COMMENT ' sign-in time ',  primary KEY (' id ')) engine=innodb DEFA ULT Charset=utf8 comment= ' Registration History table ';//create test data insert into Test_sign_history (uid,create_time) Select Ceil (rand () *10000), Str_to_date (' 2016-12-11 ', '%y-%m-%d ') +interval ceil (rand () *10000) Minutefrom test_nums where id<31;// Statistics daily user Check-in status select    h,    sum (case when Create_time= ' 2016-12-11 "then C else 0 end) 11Sign,    sum (case when Create_time= ' 2016-12-12 "then C else 0 end) 12Sign,    sum (case create_time= ' 2016-12-1 3 ' then C else 0 end] 13Sign,    sum (case Create_time= ' 2016-12-14 ' then C else 0 end) 14Sign,    sum if create_time= ' 2016-12-15 ' then C else 0 end ) 15Sign,    sum (case when Create_time= ' 2016-12-16 "then C else 0 end) 16Sign,    sum (case when Create _time= ' 2016-12-17 ' then C else 0 end) 17Signfrom (   select        date_format (Create_time, ' %y-%m-%d ') Create_time,        hour (create_time) H,        count (*) c   &NBSP ; from Test_sign_history    group by        date_format (create_time, '%y-%m-%d '),   & nbsp    hour (Create_time)) a group by H with Rollup; https://distinguished.io/companies/mobile-app-development
Dressesmax Email Homepage
2023-3-7 04:08
"Dressesmaxis an online retailer that offers a wide range of clothing for women, including dresses, casual wear, and fitness wear. The website offers a variety of styles and designs, from trendy and fashionable to classic and timeless.The selection of dresses on Dressesmax.com includes options for every occasion, from formal events to casual outings. There are also a variety of styles to choose from, including maxi dresses, mini dresses, and midi dresses, as well as different necklines, sleeve lengths, and fabrics.
jeffreestar
2024-1-16 10:04
slice master is a fast-paced arcade game where you wield a variety of blades to slice through fruit, navigate tricky obstacles, and rack up points! It's like a mix of fruit ninja and a skill-based platformer, with satisfying slicing mechanics and addictive gameplay.
Lucky cola
2024-2-7 16:04
Play, compete, and emerge victorious.  Lucky cola
分页: 3/3 第一页 上页 1 2 3 最后页
发表评论
表情
emotemotemotemotemot
emotemotemotemotemot
emotemotemotemotemot
emotemotemotemotemot
emotemotemotemotemot
打开HTML
打开UBB
打开表情
隐藏
记住我
昵称   密码   游客无需密码
网址   电邮   [注册]