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How do I create a foreign key in SQL Server?
I have never "hand-coded" object creation code for SQL Server and foreign key decleration is seemingly different between SQL Server and Postgres. Here is my sql so far:
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What is a “batch”, and why is GO used?
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GO is not properly a TSQL command.
Instead it's a command to the specific client program which connects to an SQL server (Sybase or Microsoft's - not sure about what Oracle does), signalling to the client program that the set of commands that were...
Add column to SQL Server
I need to add a column to my SQL Server table. Is it possible to do so without losing the data, I already have?
5 Answers...
Splitting string into multiple rows in Oracle
I know this has been answered to some degree with PHP and MYSQL, but I was wondering if someone could teach me the simplest approach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g.
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实时预览录制使用指导 · App Inventor 2 中文网
...flash/autofocus）
闪光灯已开启（IsFlashOn）
查询闪光灯是否开启
静音（MuteRecording）
录制中静音：视频继续录，之后不再录声音（仅预览模式；后台录制模式请在开始前设置「录制声音」）
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T-SQL: Deleting all duplicate rows but keeping one [duplicate]
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You didn't say what version you were using, but in SQL 2005 and above, you can use a common table expression with the OVER Clause. It goes a little something like this:
WITH cte AS (
SELECT[foo], [bar],
row_number() OVER(PARTITION BY foo, bar ORDER BY baz) AS [rn]
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致PHP路上的“年轻人” - 杂谈 - 清泛网 - 专注C/C++及内核技术
...处于某一块，那么大流量项目可以让你清晰上下游关系、性能瓶颈问题分析、关注细节实现。通过大流量项目，会让你从之前草草实现功能，逐步精细化的设计完成项目，会让你考虑的更多，实现的更细心，发现问题更敏锐。适...
Simulating group_concat MySQL function in Microsoft SQL Server 2005?
I'm trying to migrate a MySQL-based app over to Microsoft SQL Server 2005 (not by choice, but that's life).
11 Answers
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Xcode 4 and Core Data: How to enable SQL Debugging
I'm working on a universal iOS app and I'd like to see the raw SQL in the logs when I'm debugging. There is some info in this blog post about how to enable raw SQL logging for iOS Core Data development. The given example is for Xcode 3 and it's just not clear to me how to enable this in Xcode 4.
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How do I put an 'if clause' in an SQL string?
So here's what I want to do on my MySQL database.
9 Answers
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