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Mention a few of the ETL tools that come under Teradata.
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Highlight the limitations of TPUMP Utility.
What is spool space?
What are the things to be considered while creating secondary index?
In general, how do you optimze any sql in teradata?
Hash collision?
Can some one tell me the ressolution for the error. I was not able to answer this question in wipro interview. "The transaction exceeded the maximum number of rowhash locks allowed"
how to improve the query perfoemance in teradata.with example?and how explain this in interview?please forward answer
What is basic teradata query language?
Highlight the differences between Primary Key and Primary Index.
There is a load to the Table every one hour and 24/7.Morning trafic is high, afternoon trafiic is less, Night trafiic is high.According to this situation which Utility you use and how do you load,which utility used?
whether Nulls will be counted while doing average? example: we have table column A with following values A -- 5 Null 8 3 Now what is the average of A?
which join mostly use in realtime?
Teradata 
