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Recommended SQL database design for tags or tagging [closed]
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+1 Nice to see some NoSQL implementations also.
– Xeoncross
Mar 18 '11 at 16:24
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PL/SQL, how to escape single quote in a string?
In the Oracle PL/SQL, how to escape single quote in a string ? I tried this way, it doesn't work.
4 Answers
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
Some SQL servers have a feature where INSERT is skipped if it would violate a primary/unique key constraint. For instance, MySQL has INSERT IGNORE .
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SQL WHERE condition is not equal to?
...le of times.. but it didn't seem to work until I realized that DELETE in MySQL does not use the * ..
– Frank Vilea
May 27 '11 at 19:59
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Using an RDBMS as event sourcing storage
If I were using an RDBMS (e.g. SQL Server) to store event sourcing data, what might the schema look like?
6 Answers
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How to call a stored procedure from Java and JPA
...text is this:
JPA and database stored procedures
If you’re a big fan of SQL, you may be
willing to exploit the power of
database stored procedures.
Unfortunately, JPA doesn’t support
stored procedures, and you have to
depend on a proprietary feature of
your persistence provider. However,
you ca...
Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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Mongo DB数据库保存数据 (NoSQL, Document Store，跨平台，跨语言)
Web API提供数据服务
MVC作数据展示
Knockoutjs动态绑定客户端数据，这里有一个简单的介绍
服务URI Pattern
Action Http verb URI Get contact list GET /api/contacts Get filtered contacts...
Get first day of week in SQL Server
...-- Magic convertion of monday to 1, tuesday to 2, etc.
-- irrespect what SQL server thinks about start of the week.
-- But here we have sunday marked as 0, but we fix this later.
SET @DOW = (@DOW + @@DATEFIRST - 1) %7
IF @DOW = 0 SET @DOW = 7 -- fix for sunday
RETURN DATEADD(DD, 1 - @DOW,...
PDO's query vs execute
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query runs a standard SQL statement and requires you to properly escape all data to avoid SQL Injections and other issues.
execute runs a prepared statement which allows you to bind parameters to avoid the need to escape or quote the parameters. ...