I am using prepared statements to execute mysql database queries. And I want to implement a search functionality based on a keyword of sorts. For that I need to use LIKE keyword, that much I know. And I have also used prepared statements before, but I do not know how to use it with LIKE … Read more
How do prepared statements help us prevent SQL injection attacks? Wikipedia says: Prepared statements are resilient against SQL injection, because parameter values, which are transmitted later using a different protocol, need not be correctly escaped. If the original statement template is not derived from external input, SQL injection cannot occur. I cannot see the reason … Read more
What are the best workarounds for using a SQL IN clause with instances of java.sql.PreparedStatement, which is not supported for multiple values due to SQL injection attack security issues: One ? placeholder represents one value, rather than a list of values. Consider the following SQL statement: SELECT my_column FROM my_table where search_column IN (?) Using … Read more
I’m curious to know if it’s possible to bind an array of values to a placeholder using PDO. The use case here is attempting to pass an array of values for use with an IN() condition. I’d like to be able to do something like this: <?php $ids=array(1,2,3,7,8,9); $db = new PDO(…); $stmt = $db->prepare( … Read more
