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How can I select multiple columns from a subquery (in SQL Server) that should have one record (selec
I Know I can select a column from a subquery using this syntax:
5 Answers
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What is the maximum length of a valid email address?
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An email address must not exceed 254 characters.
This was accepted by the IETF following submitted erratum. A full diagnosis of any given address is available online. The original version of RFC 3696 described 320 as the maximum length, but John Klensin subsequ...
How can I find the last element in a List?
...ndLast(_ => true);, but I find just the underscore (or any other single character identifier) can be a bit confusing at times.
– Bob
Jan 29 '13 at 5:56
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How to select the nth row in a SQL database table?
I'm interested in learning some (ideally) database agnostic ways of selecting the n th row from a database table. It would also be interesting to see how this can be achieved using the native functionality of the following databases:
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With MySQL, how can I generate a column containing the record index in a table?
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You may want to try the following:
SELECT l.position,
l.username,
l.score,
@curRow := @curRow + 1 AS row_number
FROM league_girl l
JOIN (SELECT @curRow := 0) r;
The JOIN (SELECT @curRow := 0) part allows the variable initiali...
Set selected option of select box
I want to set a option that was selected previously to be displayed on page load. I tried it with the following code:
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SQL Server SELECT into existing table
I am trying to select some fields from one table and insert them into an existing table from a stored procedure. Here is what I am trying:
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How to delete selected text in the vi editor
I am using PuTTY and the vi editor. If I select five lines using my mouse and I want to delete those lines, how can I do that?
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Java: Clear the console
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System.out.println(new String(new char[50]).replace("\0", "\r\n")); will do the job faster and better.
– Aaron Esau
Dec 30 '17 at 0:28
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How to use OpenFileDialog to select a folder?
How to use OpenFileDialog to select folders?
8 Answers
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