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Teradata Interview Questions
Questions Answers Views Company eMail

Can any one please provide me practical example of How to do the performance tuning in Query??

Amdocs,

5 11638

Why FLOAD does not support multiset tables??

TCS, Tesco,

3 14031

What is collect State in Teradata ? what it use and how it works??

TCS,

3 12913

What EXPLAIN does in Teradata, what is High confidence, Low confidence and No confidence.. And How we improve the query performance .

Accenture,

5 34249

What is the difference between correlated sub queries and inner queries?

 4 15757

Hello all, There is a table with 4 columns in that 3 columns has been already loaded with 5 million records.4th column is empty,Now I have got 5 million records data which has to be loaded into 4th column.How can I load this data fastly in to the 4th column with out using update

CTS, TCS,

5 15206

Where we use PPI in real time??? What is the disadvantages of PPI?

IBM, Mphasis,

3 10697

What is the Maximum number of volatile tables that can be created?

Mphasis,

4 10210

What is a pseudo key? What is its use???

Mphasis,

2 18901

Can u load same data into multiple tables using multiload? How will be the loading process? Whether it will be serially or parallely?

IBM,

2 9444

How to handle nulls in Teradata??? How many columns can be there in a table??? How to find average sal with out using avg function????

Mphasis,

3 13254

In which scenarios we use Volatile tables and Global temporary Tables in Real time? Please give me one real time scenario???I know wat is its use??

CTS, Lexicon,

3 16543

What is differnce between Error code and Error Level in Bteq

IBM,

6 39328

Can we take collect stats on Dervied Tables and Volitable tables, What is Golabal Temporary table what is the use of this Golabal Temporary table ,When we create any kind table in Teradata it will show in Golabal Temporary table

IBM,

6 21292

What is the default join strategy in Teradata???

IBM,

5 25379

Post New Teradata Questions

Un-Answered Questions { Teradata }

Why are oltp database designs not generally a good idea for a data warehouse?

1052

What is the command in bteq to check for session settings ?

1178

what are the uses of fact table and dimension table in banking project?

4554

What is partitioned primary index (ppi)?

1044

What are the joins in teradata?

982

Explain the types of join supports by teradata?

989

What are the components provided on node?

1037

How to view every column and the columns contained in indexes in teradata?

1044

Describe primary index in teradata?

998

What are the available primary index types?

1208

How you will check the version of teradata?

1161

What is meant by a dispatcher?

1008

What interface is used to connect to windows based applications?

1108

What is the purpose of indexes?

1067

What are the various reporting tools in the market?

1055

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