DB Development Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

DB Development Interview Questions

Questions Answers Views Company eMail

Define candidate key, alternate key, composite key?

IAS, IBM,

30 146626

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

2 7791

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

2 8564

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,

2084

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).

2280

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

2190

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 32715

what is Normalization?

TCS,

6 10376

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

2269

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

2 5851

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,

2210

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.

2105

What is DB Development software?

2120

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

4056

Explain about query and reporting.

2139

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Un-Answered Questions { DB Development }

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

1063

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.

2105

What is database design and development?

1063

How to combine two function together?

2204

Who are end users in dbms?

1036

Explain about a primary key?

1046

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

2906

Explain about the database management systems.

1029

You have a table with three columns: amount1, amount2, and amount3 in a single row only one of these three columns will have a value and the other two will be null. Write a sql query to retrieve the values from these columns?

1025

What are the main phases of database development?

1031

Explain about query and reporting.

2139

Explain about normal forms?

1108

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

1174

How to replace not in with not exist?

2181

Write short notes on manual refreshes.

2789

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