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Update or Insert (multiple rows and columns) from subquery in PostgreSQL
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For the UPDATE
Use:
UPDATE table1
SET col1 = othertable.col2,
col2 = othertable.col3
FROM othertable
WHERE othertable.col1 = 123;
For the INSERT
Use:
INSERT INTO table1 (col1, col2)
SELECT col1, col2
FROM ot...
how to get first three characters of an NSString?
How can I return the first three characters of an NSString?
3 Answers
3
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What is the maximum length of data I can put in a BLOB column in MySQL?
What is the maximum length of data I can put in a BLOB column in MySQL?
3 Answers
3
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Setting the Vim background colors
When I try to change the background colors in .vimrc or directly in Vim using the command:
4 Answers
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How do I show a MySQL warning that just happened?
I just ran a simple MySQL CREATE TABLE statement that produced the line
3 Answers
3
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Does running git init twice initialize a repository or reinitialize an existing repo?
What happens to an existing git repository when you issue git init again?
4 Answers
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Reuse a parameter in String.format?
Does the hello variable need to be repeated multiple times in the call to the format method or is there a shorthand version that lets you specify the argument once to be applied to all of the %s tokens?
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Symbol for any number of any characters in regex?
I'm wondering is there a symbol for any number (including zero) of any characters
5 Answers
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Rails hidden field undefined method 'merge' error
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You should do:
<%= f.hidden_field :service, :value => "test" %>
hidden_field expects a hash as a second argument
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