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Thursday, 08 August 2019 08:21

How to keep your sql safe

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If You want to become a good web developer, 

you have to learn to write secure code perfectly. 

 In php website, you should know how to secure 

codes when getting and putting data to database, 

you should aware of  simple SQL injection prevention rules. 

So to prevent sql injection you should escape any variable

that you are going to use in the database accessing codes 

In the following code variable escaping shown as an example - 

$queryResult = mysql_query ("SELECT * FROM WHERE Example_table ex_field = \" " . mysql_real_escape_string( $ ex_field ) . " \ " " ) ; 

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