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DB Development Interview Questions
Questions Answers Views Company eMail

Define candidate key, alternate key, composite key?

IAS, IBM,

30 145595

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

2 7623

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

2 8454

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,

2023

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).

2211

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

2143

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 32519

what is Normalization?

TCS,

6 10096

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

2206

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

2 5767

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,

2165

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.

2055

What is DB Development software?

2072

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

4007

Explain about query and reporting.

2089


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Un-Answered Questions { DB Development }

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?

2420


How can you fix a poorly performing query?

1181


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

4007


Explain about the hierarchical model of the database?

1115


In which database can extended stored procedures be added?

902


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

2165


What is the maximum length of an extended property?

983


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

1116


The count() function always returns a int value type what should you do if you need to count rows from a query which you know will return a value that is too large for an int value type?

996


Explain about post-relational databases?

1019


How long can an error message be in raiseerror function?

1000


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

2651


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

1013


What is the database development process?

1218


What is a database development?

963