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In MySQL, can I copy one row to insert into the same table?
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Update 07/07/2014 - The answer based on my answer, by Grim..., is a better solution as it improves on my solution below, so I'd suggest using that.
You can do this without listing all the columns with the following syntax:
CREATE TEMPORARY TABLE tmptabl...
How to force a view refresh without having it trigger automatically from an observable?
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Why does “pip install” inside Python raise a SyntaxError?
...r path. Add C:\Python32\scripts to your PATH. Change the path as necessary based on where you installed it.
– wkl
Dec 18 '11 at 0:14
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differences between 2 JUnit Assert classes
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How can I define a composite primary key in SQL?
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In Oracle database we can achieve like this.
CREATE TABLE Student(
StudentID Number(38, 0) not null,
DepartmentID Number(38, 0) not null,
PRIMARY KEY (StudentID, DepartmentID)
);
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In Maven 2, how do I know from which dependency comes a transitive dependency?
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Squash the first two commits in Git? [duplicate]
With git rebase --interactive <commit> you can squash any number of commits together into a single one.
9 Answers
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How do I convert from stringstream to string in C++?
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Difference between a user and a schema in Oracle?
...cally -- A schema is the set of metadata (data dictionary) used by the database,
typically generated using DDL. A schema defines attributes of the database, such as
tables, columns, and properties. A database schema is a description of the data in a
database.
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What's the state of the art in email validation for Rails?
...] || "is not an email")
end
end
end
class Person < ActiveRecord::Base
validates :email, presence: true, email: true
end
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