Teradata Interview Questions
Questions Answers Views Company eMail

How many macros we can create inside a macro

Wipro,

1 5965

what is identity columns in teradata

Wipro,

2 8278

what is referential constraints?how do you implement RI in teradata?

Wipro,

2 5918

What is Difference b/w PI & PPI?how to implement PPI?

Wipro,

3 6663

what is identity columns in TD?

Wipro,

2 4649

if a error occured in FASTLOAD is the fastload job stops?

CTS, Deloitte,

1 4894

sel a.t1,b.t1 from emp a left outer join dept b ON a.id=b.id where b.deptno=10; sel a.t1,b.t1 from emp a left outer join dept b ON a.id=b.id and b.deptno=10; what is the difference on the above 2 queries?

CTS,

3 9159

what is identity column in TD?

Wipro,

2 6898

How can we pass Variable in Bteq with out using shell script Is it possible or not If possible let me know how can we pass varaibale

1 9163

Suppose i have data like 2009/12/31 555555534 ' ' Generally last 2 records are wrong format it is going to error table but i don't want load error table if any wrong format in Date column Pass "NULL" how can we do it fast load

4 6463

How do you check the performance of Teradata Query and list down the basic Performance Tuning steps you use?

IBM,

2 12674

what happen if a query fail in dispatcher?

Cap Gemini,

1 7495

what is the structure of UV table in MLOAD?

Cap Gemini,

4 15134

what is DYNAMIC SQL in TD?

IBM,

1 5850

what is a multi statement request in TD? what is the diif b/w V2R5 & TD12? what is the diff b/w MACRO & STORED PROCEDURE?

HCL,

3 9961


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Un-Answered Questions { Teradata }

Explain and compare pros and cons of start schemas?

535


What is a three-tier data warehouse?

617


Backup Script was blocked then you are unable to archive the data. how do you analyze it and where do you identify ?

1491


Can we have an unconnected lkp to lookup a db2 record against a teradata record? Doesnt seem to work. I could be wrong

617


How to identify ppi columns?

640






Which is more efficient group by or distinct to find duplicates?

630


What's the difference between timestamp (0) and timestamp (6)?

619


What is inner join and outer join?

606


In general, how do you optimze any sql in teradata?

533


How can we check the version of Teradata that we are using currently?

582


How to load specific no.of records using bteq, or fastload,or multiload

1307


What is meant by a Clique?

575


How is MLOAD Teradata Server restarted after execution?

639


What happens in a conflict? How do you handle that?

610


What are the 5 phases in a multiload utility?

597