What is the use of hook_update_n? How drupal knows the last schema details?

197

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How can I enable clean urls in drupal?

105

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Which orm is used in drupal 7?

105

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How to create a folder and a module file in drupal?

122

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How we can create multilingual site. Which module have been used?

199

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How will you add the fields inside the panels?

109

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How do you handle upgrades?

108

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Explain how drupal engine works ?

176

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How do I remove the title 'navigation' from the navigation block?

136

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What is a patch? How to apply patch?

100

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How can I translate drupal to my local language?

132

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What is entity and entity api?

115

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How to create the form in drupal7?

125

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What is module in drupal? List out some of the contributed modules used in drupal?

227

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How to create the table using module?

101

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