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Return Boolean Value on SQL Select Statement
How to return a boolean value on SQL Select Statement?
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Alter table add multiple columns ms sql
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this should work in T-SQL
ALTER TABLE Countries ADD
HasPhotoInReadyStorage bit,
HasPhotoInWorkStorage bit,
HasPhotoInMaterialStorage bit,
HasText bit GO
http://msdn.microsoft.com/en-us/library/ms190273(SQL.90).aspx
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MySQL DROP all tables, ignoring foreign keys
Is there a nice easy way to drop all tables from a MySQL database, ignoring any foreign key constraints that may be in there?
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SEH stack 结构探索（1）--- 从 SEH 链的最底层（线程第1个SEH结构）说起 -...
... _EXCEPTION_REGISTRATION_RECORD 结构，我们最好准备纸笔记录下它的 stack 变化情况
1. ntdll32!_SEH_prolog4() 构造的 stack 结构
刚进入 ntdll32!_SEH_prolog4() 时的 stack 是下面的图
上面的两个返回地址一个是返回到 ntdll32!_RtlUserThreadStart() 一...
SQL Server: Query fast, but slow from procedure
...ariables to be declared in order to prevent parameter sniffing?? Shouldn't SQL Server be smart enough to prevent this from happening in the first place? This just causes unnecessary code bloat by Microsoft's shortsighted design IMHO.
– l46kok
Feb 24 '15 at 6:53...
How do I drop a function if it already exists?
...atch is what type of function you are trying to delete (denoted in the top sql by FN, IF and TF):
FN = Scalar Function
IF = Inlined Table Function
TF = Table Function
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SQLAlchemy: print the actual query
I'd really like to be able to print out valid SQL for my application, including values, rather than bind parameters, but it's not obvious how to do this in SQLAlchemy (by design, I'm fairly sure).
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大单融资后，MOOC去哪儿 - 资讯 - 清泛网 - 专注C/C++及内核技术
...是其必然的发展方向。
“海外的大学已经通过MOOC提供了包括AP课程、本科、硕士、博士等在内的所有教育体系，目前清华大学也已经提供了二学位、MBA和硕士教育的课程学习。”张有明表示，“高等教育在任何国家都是由国家...
The cast to value type 'Int32' failed because the materialized value is null
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A linq-to-sql query isn't executed as code, but rather translated into SQL. Sometimes this is a "leaky abstraction" that yields unexpected behaviour.
One such case is null handling, where there can be unexpected nulls in different pl...
SQL: How to properly check if a record exists
While reading some SQL Tuning-related documentation, I found this:
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