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IBM Oracle General Interview Questions
Questions Answers Views Company eMail

How many different types of indexes we have in oracle?

24 185485

What is the difference between column level constraints and table level constraints?

14 82801

What is Normalization ?

55 73406

find out the third highest salary?

92 128231

a query to select maxmun 3 salaries of employee table

12 16688

Please explain the difference between outer join and inner join? With examples would be appreciable..!

6 17182

If a table column has is UNIQUE and has NOT NULL, is it equivalent to a PRIMARY KEY column?

8 9828

how will I find the first 5 highest salaried employees in each dept in oracle.

22 26844

If a table column has is UNIQUE and has NOT NULL, is it equivalent to a PRIMARY KEY column?

7 8595

In XIR2 if we lost the administration password .How can we regain the password?thanks in advance.

1464

what is the difference between first normal form & second normal form?

11 31569

We have one Package(which has many function/procedures, SQL quires etc). Now we need to check, which query or procedure is taking lot of time in that Package. ? How do we do it.

2 6058

How to restrict the duplicate records in table valuesets

2 6165

How to remove a row in a database table?

5 7036

difference between procedures and function?

7 8030

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IBM Oracle General Interview Questions


Un-Answered Questions

Roads concatenation Problem Consider we have some GIS (Geo Information System) operating over some road network. Each road represented as array of two-dimensional geographical points. Road network is a set of roads. System has function called Concatenate(). This function takes raw road network and should return optimized road network. Optimization lies in concatenating roads with matching start or end points, i.e. if road AB end point matches road BC start point, then optimized network should contain concatenated road AC. Optimized network shouldn’t contain two roads which can be concatenated. Your task is to suggest set of test cases for Concatenate() function in order to make sure it works correctly. public interface IPoint { double Lat { get; } double Lon { get; } } public Road : List { } public RoadNetwork : List { } public RoadNetwork Concatenate(RoadNetwork roads);

1930


When to avoid secondary indexes?

54


How many test cases have you automated per day?

550


What is thread life cycle in c#?

468


Where is apache web server located in data center location?

503






Why power factor should not be in leading (capacitive) mode of any load.

5840


what is counter poise conductors

1665


What are the different types of PHP arrays?

563


What are the filter in mvc?

1


What is server side in asp.net?

488


What are best features of Apache Avro?

52


List down some advantages of sql stored procedure?

546


Explain batches. How would you search them?

647


What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

1926


What is function declaration?

519