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DB Development Interview Questions
Questions Answers Views Company eMail

What are cursors? Explain different types of cursors?

6 25252

What are the disadvantages of cursors? How can you avoid cursors?

2 9237

Explain the general syntax for a SELECT statements covering all the options.

3 5889

What is a join and explain different types of joins?

2 4214

Can you have a nested transaction?

1 2177

What is an extended stored procedure?

1 4197

Can you instantiate a COM object by using T-SQL?

1 3071

What is the system function to get the current user's user id?

4 5089

What are triggers? How many triggers you can have on a table?

Ramco,

2 6796

There is a trigger defined for INSERT operations on a table, in an OLTP system. The trigger is written to instantiate a COM object and pass the newly insterted rows to it for some custom processing. What do you think of this implementation? Can this be implemented better?

1819

What is a self join? Explain it with an example?

TCS,

16 54601

Given an employee table, how would you find out the second highest salary?

9 10567

What is normalization? Explain different levels of normalization?

CG-VAK, Choice Solutions, College School Exams Tests, IBM, Wipro,

8 58427

What is denormalization and when would you go for it?

NBP,

9 35281

How do you implement one-to-one, one-to-many and many-to- many relationships while designing tables?

Flextronics, Hexaware, SQL Star,

1 8711


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Un-Answered Questions { DB Development }

How you can make a parameterized view?

414


What are the key features of dbms?

350


How long can an error message be in raiseerror function?

378


If a column is an image value type, how you can compare column values? How can you use this column in join clause?

393


In which table collections errors are stored.

1734






A) Which two are benefits of Teradata's support for ANSI Standard SQL? (Choose two.) 1.data is distributed automatically 2.queries get optimized to better plans 3.submit queries from other database systems 4.can interface with BI tools B) Which statement is true when comparing the advantages of third normal form to star schema? 1.Star schema tends to have fewer entities. 2.Star schema requires additional data storage. 3.Third normal form tends to have fewer entities. 4.Third normal form requires additional data storage. C)Which two sets of functions does the Parsing Engine (PE) perform? (Select two.) 1.sorting, formatting, and aggregating of the final answer set 2.flow control of the data to and from the participating tables 3.SQL statement interpretation, syntax validation, and semantic evaluation 4.dispatching the step execution sequence to the AMP via the BYNET D) Which two can be achieved with Teradata Active System Management (TASM)? (Choose two.) 1.disable hardware 2.react to hardware failure 3.influence response times 4.collect metadata E) Which three mechanisms can be used to ensure security within the Teradata Database? (Choose three.) 1.views 2.spool limits 3.roles 4.access rights 5.profiles

5834


What is the database development process?

472


What are the constraints on severity level in raiseerror?

417


How can I detect whether a given connection is blocked?

409


Explain about normal forms?

400


State the acid rules?

431


explain detail about ftp in datastage?

1602


What is dbms and its application?

362


Explain about the storage and physical database design?

344


Explain the cube operator?

412