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In PHP, what is the best practice for laying out the responsibilities of a Db Abstraction Layer? Is OOP a good idea in terms of performance? How much should be generic object code, and how much should be very specific functions? JavaScript questions and answers, JavaScript questions pdf, JavaScript question bank, JavaScript questions and answers pdf, mcq on JavaScript pdf, JavaScript questions and solutions, JavaScript mcq Test , Interview JavaScript questions, JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)

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There are already some great solutions for this. A DAL is not a simple thing, especially since so many security concerns are involved. I would suggest checking out PDO and MySQLi. Even if you write a wrapper class for one of them, the heavy lifting will be done for you in a robust and secure way.

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