DB Development Interview Questions
Questions Answers Views Company eMail

In which table collections errors are stored.

1935

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

CTR, Infosys, Polaris,

2140

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

2059

what is difference between primary key and unique key ?

2 4024

how to find the first two highest salaries in deptno in emp table

2 4561

agregator gives one to many records or many to one record

IBM,

1 3293

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

2078

can you give me the syntax of named procedure??

2 3525

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

6022

explain detail about ftp in datastage?

IBM,

1810

what is architecture of your datastage project??? i came across this question many times in interviews in specific what can i answer plz help me

IBM,

1 3338

What is the maximum length of an extended property?

557

How can you fix a poorly performing query?

622

What is the physical representation for a many-to-many relationship?

576

What is an application role and explain a scenario when you would use one?

558


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Un-Answered Questions { DB Development }

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

6022


Explain about the database management systems.

568


What are the key features of dbms?

565


Explain the process of the user request and data generating?

649


Explain about a primary key?

570






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

661


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?

1988


Explain about query and reporting.

1684


Why does this query return 0?

623


How long can an error message be in raiseerror function?

548


Explain about normal forms?

599


Explain the cube operator?

598


Which data type cannot be used as a parameter in a udf?

574


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

607


Explain about post-relational databases?

581