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WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT
I'm looking at the AdventureWorks sample database for SQL Server 2008, and I see in their creation scripts that they tend to use the following:
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How to use greater than operator with date?
...ick instead
SELECT * FROM `la_schedule` WHERE `start_date` > '2012-11-18';
SQLFiddle Demo
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How does @synchronized lock/unlock in Objective-C?
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edited Aug 25 '15 at 23:28
tchrist
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SQL Logic Operator Precedence: And and Or
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edited May 8 '19 at 13:36
ludovico
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Difference between an application server and a servlet container?
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answered Feb 18 '11 at 9:05
BozhoBozho
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Replace specific characters within strings
...pression and the function gsub():
group <- c("12357e", "12575e", "197e18", "e18947")
group
[1] "12357e" "12575e" "197e18" "e18947"
gsub("e", "", group)
[1] "12357" "12575" "19718" "18947"
What gsub does here is to replace each occurrence of "e" with an empty string "".
See ?regexp or gsub ...
Difference between size_t and std::size_t
...f the sizeof operator
And C++ Standard says (about cstddef header) in §18.1/3,
The contents are the same as the Standard C library header , with the following changes.
So yeah, both are same; the only difference is that C++ defines size_t in std namespace.
Please also notice that the abov...
Where's the difference between setObject:forKey: and setValue:forKey: in NSMutableDictionary?
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answered Aug 8 '09 at 19:09
Oren TrutnerOren Trutner
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Superiority of unnamed namespace over static?
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edited Jun 8 at 9:51
RobertS supports Monica Cellio
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How do you make lettered lists using markdown?
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It doesn't appear that standard Markdown has this capability. You can:
Use CSS, by putting thi...