Teradata Interview Questions
Questions Answers Views Company eMail

Difference between Qualify and group

CTS,

4 14990

Hi frinds pls help me regarding this question WHY usi is two amp operation in teradata? THANKS IN ADVANCE....

3 5700

Hi Frnds this que is recently asked at IBM there are two rows like aa6588fhfhf,gru282vbvv. Question is howcan we retrive the first number from two rows. Can any one help thanks in advance

IBM,

5 7823

Hi frnds this question is asked at IBM One query is there when we dont collect stastics on it,exlapin will show us LOW CONFIDENCE,When we collect stastics it shows HIGH CONFIDENCE.WHAT IS THE INTERNAL ARCHITECTURE ACTUALLY GOING ON ?????ASKED ON 23-08-2012 THANKS IN ADVANCE

IBM,

2 5487

IBM QUESTION As all we know PE takes the SQL Request and it will give responce for that query. what is the internal process happening.how it is taking that sql from the system????? thanks in Advance

Cap Gemini, IBM, Infosys,

2 7703

I want to write one query How to get Matched records and unmatched records in table?

TCS,

4 9668

TCS recently asked this question I have records like below Emp id Empname Salary DateTimestamp 1 AA 6000 20120609:11:30 1 AA 7000 20120609:12:30 1 AA 8000 20120609:01:30 I want to exceute records max timestamp(20120609:01:30)

TCS,

2 6787

What is meant by MATCHTAG in multiload utility?

Satyam,

2 7867

Hash collision?

Satyam,

3 9254

what is meant by Hot amp?

IBM, Satyam,

2 12643

i have a table like sales....the field are Prodid Jan(jam month sales)Feb March 1 20 76 50 2 30 94 40 3 40 90 30 4 70 20 30 5 23 40 40 6 85 30 55 7 84 20 65 8 10 93 40 9 57 30 30 10 38 83 40 11 35 39 90 12 83 89 50 Now the Question is i want get the max sales of 12 products from the months.hint:for eg I WANT GET 89 for product12... Can any one help me

Satyam,

8 9117

i have a table like sales....the field are Prodid Jan(jam month sales)Feb March apr may jun july 1 20 76 50 74 94 93 83 2 30 94 40 94 93 93 02 3 40 90 30 49 94 92 56 4 70 20 30 93 46 35 78 5 23 40 40 39 84 46 57 6 85 30 55 93 46 46 46 7 84 20 65 83 56 57 57 8 10 93 40 93 68 57 36 9 57 30 30 83 67 57 79 10 38 83 40 83 55 68 47 11 35 39 90 94 57 78 47 12 83 89 50 93 79 69 69 i wat ti find the max sales of every product which i want to load into target table

Satyam,

6 9297

Frnds.... i have one doubt we have the num like this +913757575......i want to remove 91 and i want lo load remaining data to the target table.. whinch function we can use in teradata????? Plz let me know.. thanks in advance

2 5423

If RDBMS is halted what will you do ?

Teradata,

1708

If the query is NOT WRITTEN PROPERLY then what are the recommendations you can give to the developer ?

Teradata,

1 4235


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Un-Answered Questions { Teradata }

tomorrow i have interview in infosys.can someone pour any suggestions or any interview questions. thank you

376


What is the purpose of joins in teradata?

546


Mention the procedure via which, we can run Teradata jobs in a UNIX environment.

570


What exactly do you know about catching in teradata?

641


How can bottlenecks be identified?

582






What is the difference between teradata and basic rdbms?

570


What are the available primary index types?

720


What is logical data model?

644


How to write the query . eid enm doj dob i want to display the names who worked more than 25 years .

1281


Define views in teradata with syntax.

640


What is called partitioned primary index (ppi)?

562


Highlight the need for Performance Tuning.

592


What do you mean by caching in teradata?

609


Let us say there is a file that consists of 100 records out of which we need to skip the first and the last 20 records. What will the code snippet?

707


Explain the new features of teradata?

571