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How can I temporarily disable a foreign key constraint in MySQL?

Is it possible to temporarily disable constraints in MySQL? 10 Answers 10 ...
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What does the PHP error message “Notice: Use of undefined constant” mean?

... You should quote your array keys: $department = mysql_real_escape_string($_POST['department']); $name = mysql_real_escape_string($_POST['name']); $email = mysql_real_escape_string($_POST['email']); $message = mysql_real_escape_string($_POST['message']); As is, it was loo...
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Best database field type for a URL

I need to store a url in a MySQL table. What's the best practice for defining a field that will hold a URL with an undetermined length? ...
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In PHP with PDO, how to check the final SQL parametrized query? [duplicate]

In PHP, when accessing MySQL database with PDO with parametrized query, how can you check the final query (after having replaced all tokens)? ...
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Maximum length for MySQL type text

... value of a textarea appropriate to the max length of a text field in my MySQL database table. How many characters can a type text field store? ...
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Using backticks around field names

...ering if there's anything wrong with using backticks around field names in MySQL. 11 Answers ...
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MySQL indexes - what are the best practices?

I've been using indexes on my MySQL databases for a while now but never properly learnt about them. Generally I put an index on any fields that I will be searching or selecting using a WHERE clause but sometimes it doesn't seem so black and white. ...
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How to define a custom ORDER BY order in mySQL

In MySQL how do I define a custom sorting order. 4 Answers 4 ...
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What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?

... is the difference between tinyint, smallint, mediumint, bigint and int in MySQL? 6 Answers ...
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How to split the name string in mysql?

How to split the name string in mysql ? 16 Answers 16 ...