What is the difference between dataset and dataframe in spark?

364

---

What is distributed cache in spark?

355

---

What is catalyst framework in spark?

307

---

How is dag created in spark?

289

---

What does spark do during speculative execution?

329

---

What is heap memory in spark?

265

---

What is external shuffle service in spark?

296

---

What is spark client?

277

---

Which are the various data sources available in spark sql?

297

---

Can you run spark without hadoop?

322

---

What is tungsten engine in spark?

318

---

What is stage and task in spark?

226

---

What is spark execution engine?

370

---

Is spark sql a database?

263

---

Is spark distributed computing?

298

---