DB Development Interview Questions
Questions Answers Views Company eMail

Define candidate key, alternate key, composite key?

IAS, IBM,

30 137281

What are defaults? Is there a column to which a default can't be bound?

2 6437

What is bit datatype and what's the information that can be stored inside a bit column?

2 7393

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

Covansys,

1567

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).

1762

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

1640

What is the difference between a primary index and a secondary index? What is a duplicate data entry in an index? Can a primary index contain duplicates?

IBM,

5 30616

what is Normalization?

TCS,

6 7566

Any sample or model question of punjab national bank for deputy manger IT or any sample of PNB.any1 plz do send on

1802

how will I find the duplicate rows count from employees tablein oracle.

2 4789

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

TCS,

1656

Does QTP Support the Propjects which are running in Dot Net? As we are starting with new project in Dot net need to use automation tool?Please advice & let me know what would be the best.

1576

What is DB Development software?

1591

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

3366

Explain about query and reporting.

1670


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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

2393


explain detail about ftp in datastage?

1791


Any sample or model question of punjab national bank for deputy manger IT or any sample of PNB.any1 plz do send on

1802


Write the fastest query to find out how many rows exist in a table?

640


In which table collections errors are stored.

1917






How to customize error conditions.

1679


Why does this query return 0?

607


What are the 18 schemas?

590


How can you fix a poorly performing query?

602


What are the key features of dbms?

542


What are data modelling techniques?

506


What you can do to remove data from the cache and query plans from memory for testing the performance of a query repeatedly?

569


How is data stored in dbms?

505


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

6001


Explain about relational operator join?

591