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MySQL Error 1215: Cannot add foreign key constraint
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I'm guessing that Clients.Case_Number and/or Staff.Emp_ID are not exactly the same data type as Clients_has_Staff.Clients_Case_Number and Clients_has_Staff.Staff_Emp_ID.
Perhaps the columns in the parent tables are INT UNSIGNED?
They need to be exactly the same...
Get checkbox value in jQuery
... @Jawa: The first one was just an example to show the syntax and thanks for that typo.
– Sarfraz
May 14 '10 at 13:38
144
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Difference between Iterator and Listiterator?
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And the reason why you can't do that with a Set is simple: There is not "current point": Elements have no index and there is no usefull way you can add an element "before" or "after" another one.
– Joach...
How to store arrays in MySQL?
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The proper way to do this is to use multiple tables and JOIN them in your queries.
For example:
CREATE TABLE person (
`id` INT NOT NULL PRIMARY KEY,
`name` VARCHAR(50)
);
CREATE TABLE fruits (
`fruit_name` VARCHAR(20) NOT NULL PRIMARY KEY,
`color` VARCHAR(20),
`price` INT
)...
What's the pythonic way to use getters and setters?
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What's the pythonic way to use getters and setters?
The "Pythonic" way is not to use "getters" and "setters", but to use plain attributes, like the question demonstrates, and del for deleting (but the names are changed to protect the innocent... builtins):
valu...
Best Practice to Organize Javascript Library & CSS Folder Structure [closed]
...ur HTML5 application. This is not an attempt to create any kind of standard. Instead, I will make suggestions on how to group and name files in a logical convenient way. Your Project Let’s assume you are building an HTML5 application. In some cases you may use the root of your server as the ...
What RSA key length should I use for my SSL certificates?
I'm in the process of creating a CSR, and I wonder which is arguably the best length for my RSA key.
8 Answers
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...break it up into small parts so that it is easy for novice users to understand as well. So my question(s):
6 Answers
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Differences in string compare methods in C#
...the block below. What I am curious about are the differences between them and when one should be used over the others? Should one be avoided at all costs? Are there more I haven't listed?
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htaccess Access-Control-Allow-Origin
I'm creating a script that loads externally on other sites. It loads CSS and HTML and works fine on my own servers.
9 Answe...