DB Development Interview Questions
Questions Answers Views Company eMail

What are cursors? Explain different types of cursors?

6 26941

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

2 9986

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

3 7042

What is a join and explain different types of joins?

2 4908

Can you have a nested transaction?

1 2703

What is an extended stored procedure?

1 4899

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

1 3683

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

4 6607

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

Ramco,

2 7510

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?

2113

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

TCS,

16 57847

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

9 12394

What is normalization? Explain different levels of normalization?

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

8 60627

What is denormalization and when would you go for it?

NBP,

9 37108

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

Flextronics, Hexaware, SQL Star,

1 9389


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Un-Answered Questions { DB Development }

Hi , any one can help me on the same,this is regarding the Informatica Function doc,i want to know how developer is will develop the mapping. pl forwar the any function doc .just for my references. svlc75@yahoo.co.in

1713


What is the database development process?

836


fact table and dimension table containg one to many relationship or many to one relastionship

2190


Who are end users in dbms?

650


What are the three types of database design?

665






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

742


What is a database development?

638


Explain about query and reporting.

1795


How can you fix a poorly performing query?

730


Write short notes on manual refreshes.

2414


I have a few records all are same structures data, I want to store data in multiple targets how

2258


When installing the datastage7.5x2 edtion iam getting aproblem i.e the cpu count is 2 but the cpu count in installation is one . how can i install in my p.c (system is dual core).

1909


How to use online Backups?

1874


Explain the cube operator?

708


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

6156