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MySQL Cannot drop index needed in a foreign key constraint
... TINYINT NOT NULL AUTO_INCREMENT PRIMARY KEY,
Name VARCHAR(255) NOT NULL,
UNIQUE(Name)
) ENGINE=InnoDB;
ALTER TABLE mytable
ADD COLUMN DID tinyint(5) NOT NULL,
ADD CONSTRAINT mytable_ibfk_4
FOREIGN KEY (DID)
REFERENCES mytable_d (ID) ON DELETE CASCADE;
> OK.
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Android draw a Horizontal line between views
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edited Jun 18 '14 at 11:25
answered Oct 1 '13 at 11:48
zo...
How to add elements to an empty array in PHP?
...ach it's not an answer
– mateos
Mar 25 '17 at 6:39
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“Remote System Explorer Operation” causing freeze for couple of seconds
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answered Oct 11 '13 at 15:25
MarckaraujoMarckaraujo
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Is there “0b” or something similar to represent a binary number in Javascript
...xadecimal numbers in Javascript. For example, 0xFF stands for the number 255.
10 Answers
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How to open in default browser in C#
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answered Apr 25 '13 at 2:04
user2193090user2193090
38933 silver badges22 bronze badges
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How to require a fork with composer
...it does.
– Seldaek
Oct 24 '13 at 11:25
4
@seldaek you saved me! thank you! ( My fork was called d...
Python extract pattern matches
...se.
– UltraInstinct
Mar 13 '19 at 2:25
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Passing an array to a function with variable number of args in Swift
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manojldsmanojlds
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Trying to SSH into an Amazon Ec2 instance - permission error
...key.pem ubuntu@servername
– jsh
May 25 '12 at 19:13
43
The error message says it all: the .pem ce...