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How to create a multi-tenant database with shared table structures?
Our software currently runs on MySQL. The data of all tenants is stored in the same schema. Since we are using Ruby on Rails we can easily determine which data belongs to which tenant. However there are some companies of course who fear that their data might be compromised, so we are evaluating othe...
win7 安装项目管理工具redmine2.5.1 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...有的软件包发放在github上。如果有Linux服务器平台，建议使用Linux，安装原理差不多。
三、安装rails和redmine
1、安装railsinstaller
参考http://blog.csdn.net/wind520/article/details/19246887
如果没有特别的要求，一直安装即可。
2、安装i...
How to execute a stored procedure within C# program
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using (var conn = new SqlConnection(connectionString))
using (var command = new SqlCommand("ProcedureName", conn) {
CommandType = CommandType.StoredProcedure }) {
conn.Open();
command.ExecuteNonQuery();
}
...
Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
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I created a small JS lib named WebSqlSync to synchronize a local WebSql DB with a server (client <-> server). Very easy to use and to integrate in your code :
https://github.com/orbitaloop/WebSqlSync
The open source project QuickConnect contains a J...
Good PHP ORM Library?
...nd a base model. It works with all major PDO-supported database engines: MySQL, SQLite, SQL Server/Sybase, Oracle, PostgreSQL, etc.
/* SQL */
CREATE TABLE products (
product_id INTEGER,
description VARCHAR(128),
PRIMARY KEY (product_id)
);
/* PHP */
// Create
$product=new Axon('produc...
Best data type for storing currency values in a MySQL database
What is the best SQL data type for currency values? I'm using MySQL but would prefer a database independent type.
9 Answer...
Entity Framework 4 / POCO - Where to start? [closed]
I've been programming for a while and have used LINQ-To-SQL and LINQ-To-Entities before (although when using entities it has been on a Entity/Table 1-1 relationship - ie not much different than L2SQL)
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A type for Date only in C# - why is there no Date type?
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And their own SQL Server have Date type and result must be of type Date - if it was Date type result expected as string without time. For example Delphi also have Date as DateTime, but typeinfo different for Date and DateTime.
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How do I insert NULL values using PDO?
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I had trouble with PDO::PARAM_NULL on MySql 5.1.53, but PDO::PARAM_INT with a null value worked great.
– Will Shaver
Dec 5 '11 at 19:33
2
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Join vs. sub-query
I am an old-school MySQL user and have always preferred JOIN over sub-query. But nowadays everyone uses sub-query, and I hate it; I don't know why.
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