原文:MySql - Select between date together with other datatype
我想在日期之内选择var果。 我已经尝试了以下法典,但将无视日期选择。 它将在(和内部)日期范围外选定。
原文:Setting up database sharding - no cross-database queries
我开发了一个网络应用程序,对每个客户(一个小型组织)来说,他们无法(也不应该)查询其他客户的记录。
原文:Find AM Times and update?
In the mySQL Table, I have a field called CallTime (TIME format) How do I find all the AM times and update time to 13:00:00 ?
原文:Best practices for migrating database content from one very poor structure to one very logical?
TL;DR 在一个结构极差的数据库(几栏重复、没有相互关系和重复数据)之间向另一个高度有组织的数据库迁移数据的最佳方式。
原文:Given a string of words: How to find every word (case insensitive) in a varchar(1000) column in MySQL ignoring punctuation?
我有两个数据库(a)和(b)中科学论文的标题。 我想将这些数据库合并为一个单一的数据库c。
原文:Get everything from a Database - MySQL
我想知道,是否有办法从数据库中获取所有(所有记录)? 然后,用户可选择将这一档案作为外壳电子表格予以保存。
原文:What happen s to content inside in rows on columns defined as varchar, when illegally reduced length?
Certainly a noobish question, but I got to ask: :-) Assuming a column of type varchar and length 255 and the longest string stored in a row at this column shold have length 200. What happens, if I ...
原文:Selecting 1 Instance of a Client s family in MySQL
我需要从询问中回来的是去年访问过的家庭户主及其所有亲属的名单。 每个人都在客户表中,并与其他表格合并。
原文:Database design: lots of rows vs lots of tables?
采用这一数据库设计的I m需要将一些可变的长度阵列储存到我的仪表数据库。
原文:MySQL Indexes for extremely slow queries
The following query, regardless of environment, takes more than 30 seconds to compute. SELECT COUNT( r.response_answer ) FROM response r INNER JOIN ( SELECT G.question_id FROM question G INNER ...
原文:What are the risks of RENAME TABLE inside a replicated mysql structure?
我有一份字典,为现场搜索目的优化了我的片面表的最新版本。
原文:How exactly could we provide a seamless automated method of key generation to the application that **operates across all shards**
http://www.dbshards.com/articles/database-sharding-whitepapers/: Auto-increment key management. Typical auto-increment functionality provided by database management systems generate a sequential ...
原文:using ckeditor to display image on a web page , adds extra double quotes and slashes in the image source
我正在使用一个文字区上的舱位,在文本区域输入的案文的html源代码在数据库中保存,但为了图象,添加斜线,外加两字。
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