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How do I get SUM function in MySQL to return '0' if no values are found?

...ee it in action, please see this sql fiddle: http://www.sqlfiddle.com/#!2/d1542/3/0 More Information: Given three tables (one with all numbers, one with all nulls, and one with a mixture): SQL Fiddle MySQL 5.5.32 Schema Setup: CREATE TABLE foo ( id INT NOT NULL AUTO_INCREMENT PRIMARY KEY...
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What is `mt=8` in iTunes links for the App Store?

... Apple designates a number of different Media Types (mt values): 1 Music 2 Podcasts 3 Audiobooks 4 TV Shows 5 Music Videos 6 Movies 7 iPod Games 8 Mobile Software Applications 9 Ringtones 10 iTunes U 11 E-Books 12 Desktop Apps So, to answer your question, the "mt=8" ...
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The input is not a valid Base-64 string as it contains a non-base 64 character

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NULL vs nil in Objective-C

... | edited Mar 24 '13 at 15:23 VisioN 127k2626 gold badges242242 silver badges254254 bronze badges ...
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SQL query to find record with ID not in another table

... 216 Try this SELECT ID, Name FROM Table1 WHERE ID NOT IN (SELECT ID FROM Table2) ...
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What is the Java equivalent for LINQ? [closed]

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SQL Server: Filter output of sp_who2

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Why does this CSS margin-top style not work?

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How to format a number 0..9 to display with 2 digits (it's NOT a date)

I'd like to always show a number under 100 with 2 digits (example: 03, 05, 15...) 5 Answers ...
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Check status of one port on remote host [closed]

...can check the port status on a remote host. I tried ping xxx.xxx.xxx.xxx:161 but it doesn't recognize the "host". I thought it was a "good" answer until I did the same command against a host I know has that port open. This is for a batch file on Windows that will check the status of the remote ...