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SQL - find records from one table which don't exist in another
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edited May 23 '17 at 10:31
Community♦
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answered Dec 15 '08 at 9:35
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
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11 Answers
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How to run a shell script in OS X by double-clicking?
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Jay
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answered Feb 26 '11 at 9:14
LusLus
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Including JavaScript class definition from another file in Node.js
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210
You can simply do this:
user.js
class User {
//...
}
module.exports = User
server.js
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SQL is null and = null [duplicate]
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In SQL, a comparison between a null value and any other value (including another null) using a...
Difference between a User and a Login in SQL Server
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edited Feb 1 '14 at 15:27
AminM
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How to set current working directory to the directory of the script in bash?
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How to check if running as root in a bash script
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MySQL Select minimum/maximum among two (or more) given values
...hieve it.
SELECT
GREATEST(A.date0, B.date0) AS date0,
LEAST(A.date1, B.date1) AS date1
FROM A, B
WHERE B.x = A.x
Both are described here http://dev.mysql.com/doc/refman/5.0/en/comparison-operators.html
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What does the line “#!/bin/sh” mean in a UNIX shell script?
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It's called a shebang, and tells the parent shell which interpreter should be used to execute ...