When group by is used, how to write or use the where clause in soql ?

517

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What are the best practises for improving visualforce performance ?

511

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Is there any limit on how many component to have in one application?

648

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How do you create restful web services using apex ?

534

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What are lightning components?

477

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Is there any standard object which is also act as junction object ?

500

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Is lightning components replacing visualforce?

474

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Can we integrate lightning components with another framework, such as angular?

538

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What is mixed dml and how would you handle it?

445

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explian trigger events? & Context variables?

539

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What are the names of interfaces that are added to a lightning component to allow it to be used as custom tabs, and to be used in lightning and community builder?

475

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What is sandbox and why do we use sandbox in salesforce?

507

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What is the system.runas() ?

627

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Which interface we are supposed to implement so that a lightning component can be used as a tab?

670

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Will data be lost in a custom field if data type is changed to number from any other data type?

679

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