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

DB Development Interview Questions

Questions Answers Views Company eMail

In which table collections errors are stored.

2413

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

CTR, Infosys, Polaris,

2658

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

2531

what is difference between primary key and unique key ?

2 5193

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

2 5588

agregator gives one to many records or many to one record

IBM,

1 4153

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

2497

can you give me the syntax of named procedure??

2 4529

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

6577

explain detail about ftp in datastage?

IBM,

2245

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 4191

What is the maximum length of an extended property?

983

How can you fix a poorly performing query?

1186

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

1078

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

1012

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Un-Answered Questions { DB Development }

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

1119

How to generate OIDS

2255

What are the three basic rules which are to be followed for the relational model of the database?

1016

How can you log an error to the server event log from a stored procedure?

1106

How can I detect whether a given connection is blocked?

1055

Explain about query and reporting.

2091

What is the database development process?

1222

What are the main phases of database development?

980

Explain about the relational database?

1074

What is normalization? Explain different levels of normalization?

63116

Explain the role of indexing in databases?

1134

How can you fix a poorly performing query?

1186

Explain about normal forms?

1058

Explain what a database is?

1049

State the acid rules?

1134

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