What are the common transformations in apache spark?

283

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What is the difference between dataset and dataframe in spark?

364

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What is distributed cache in spark?

354

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What is catalyst framework in spark?

304

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How is dag created in spark?

287

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What does spark do during speculative execution?

324

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What is heap memory in spark?

263

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What is external shuffle service in spark?

294

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What is spark client?

275

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Which are the various data sources available in spark sql?

292

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Can you run spark without hadoop?

322

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What is tungsten engine in spark?

318

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What is stage and task in spark?

222

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What is spark execution engine?

364

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Is spark sql a database?

258

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