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PreVator Interview Questions
Questions Answers Views Company eMail

What is difference between TRUNCATE & DELETE?

16 39776

What is the difference between IN subselects and EXISTS subselect?

1 9917

What are the return values of functions SQLCODE and SQLERRM ?

2 10009

what is difference between "Primary key" and "Unique key"?

4 7783

Differentiate between %type and %rowtype attribute in Oracle PL/AQL programming ?

7 17425

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Un-Answered Questions

THERMAL CAPACITANCE IS MEASURED IN..................................................

1702


What is cloud watch?

337


in accounts welding institute which category will come for example 1. recruitment con.pvt ltd. is man power recruit category ,so iwant to welding institute (learning welding and fibrication)

1650


Explain Eraser Tool?

17


Do you think banking sector plays an important role in boosting the Indian economy?

730






You attempt to delete a file called sales.mem using the rm command but the command fails. What could be the problem?

591


What is the difference between rank and dense_rank?

505


How do we make forms in python?

530


Why add_action() function not work in member function in wordpress?

151


What are the different types of inheritance in hibernate?

177


write a c program which accepts input as Anu.B.Kapoor and gives output as:Kapoor.A.B plz send me the ans

1139


How would you design an engagement metric for a job website?

786


What is implicit polymorphism in hibernate?

167


What is pruning in a decision tree?

5


How can we add change font size using jquery?

485