I want to control database connections in my program and want that only one thread should be able to make database connection at a time. Define how can I implement this logic?

660

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Who was your most difficult customer?

957

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While creating bayesian network what is the consequence between a node and its predecessor?

803

---

How double spending can be stopped in a blockchain?

5

---

What is pointcut in spring aop?

245

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Explain me what is testng and why is it better than junit?

597

---

What makes c shell a more preferable option than the bourne shell?

625

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what is the clp command to access a query/400?

1535

---

What is waste?

520

---

What are two launch modes for activities?

608

---

Why should a business prepare fund flow statement?

661

---

How do you run pig scripts on kerberos secured cluster?

355

---

Name some changes done since version 3.0?

631

---

How would you make use of ngoninit()?

493

---

How many Reducers should be configured?

86

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