Explain EAV Concept in magento

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Explain database engine

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Can we override Community Module?

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How can we remove module conflict?

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What is Module conflict?

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what is mage registry? How we register a variable?

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What is codePool?

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What is page layout section?

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What are the differences between magento 1.9 and magento 2.0?

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Which php mvc framework, magento is based on?

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What are the product type exist in magento?

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What is tax rule in magento?

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What is the database that magento supports?

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What is a variable product or configurable product?

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Is magento free?

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