DB Development Interview Questions
Questions Answers Views Company eMail

What are cursors? Explain different types of cursors?

6 22801

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

2 8195

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

3 4566




What is a join and explain different types of joins?

2 3235

Can you have a nested transaction?

1 1414

What is an extended stored procedure?

1 3236

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

1 2248

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

3 3558




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

Ramco,

2 5777

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?

1319

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

TCS,

16 49492

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

9 8300

What is normalization? Explain different levels of normalization?

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

8 54353

What is denormalization and when would you go for it?

NBP,

9 31433

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

SQL Star,

1 7653


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Un-Answered Questions { DB Development }

I HAVE A PI ON COL A THE NEXT DAY I WANT CHANGE THE PI ON COL B? PLS SEND ME THE ANS

1485


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

5187


What is DB Development software?

981


How to read and create .LDC data files which are used by linguatic dictionary.

1378


How to combine two function together?

1070






Write short notes on manual refreshes.

1721


Hi my program is accesing data from two db2 databases.what is the bind card for this program to genarate plan? how to specify the two owners and two qualifiers in bind card

1053


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?

1319


To convert IDMS to DB2, how to deal with IDMS occurs and redefined clause?

2519


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

1460


How to generate OIDS

1002


How to customize error conditions.

1099


How to use online Backups?

1051


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

1505


1. Using the XML Document below, with the URI “recipe.xml” define the following queries in XQuery: a.) Give the names of all breakfast in the menu. b.) Select breakfasts that have price lower than $7.00? Belgian Waffles $5.95 two of our famous Belgian Waffles with plenty of real maple syrup 650 Strawberry Belgian Waffles $7.95 light Belgian waffles covered with strawberries and whipped cream 900 Berry-Berry Belgian Waffles $8.95 light Belgian waffles covered with an assortment of fresh berries and whipped cream 900 French Toast $4.50 thick slices made from our homemade sourdough bread 600 Homestyle Breakfast $6.95 two eggs, bacon or sausage, toast, and our ever-popular hash browns 950

1044