DB Development Interview Questions
Questions Answers Views Company eMail

What are cursors? Explain different types of cursors?

6 26271

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

2 9700

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

3 6629

What is a join and explain different types of joins?

2 4638

Can you have a nested transaction?

1 2489

What is an extended stored procedure?

1 4644

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

1 3419

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

4 6043

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

Ramco,

2 7238

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?

1988

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

TCS,

16 56611

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

9 11637

What is normalization? Explain different levels of normalization?

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

8 59811

What is denormalization and when would you go for it?

NBP,

9 36426

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

Flextronics, Hexaware, SQL Star,

1 9168


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Un-Answered Questions { DB Development }

Which data type cannot be used as a parameter in a udf?

574


How to generate OIDS

1662


What are the constraints on severity level in raiseerror?

582


Why does this query return 0?

623


What is DB Development software?

1616






Which four data types cannot be used as a return type from a user-defined function?

579


What are the key features of dbms?

565


In which database can extended stored procedures be added?

528


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

6022


Can an extended stored procedure be called from inside a user-defined function?

609


How to customize error conditions.

1701


Explain about post-relational databases?

581


Explain the cube operator?

598


What are the types of database model?

543


Explain the rollup operator?

612