Is PK concept available in Teradata. If it is how can we create Primary Key for a table in TD

6 Answers   Wipro,

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

2 Answers   Mphasis,

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My table got locked during mload due to a failed job. What do I do to perform other operations on it?

0 Answers  

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Hi All, I have a table with 3 fields like id,mark1,mark2 and I would like to update a mark3 field that would calculate the max for each record (so the max value of the 2 fields) in Teradata ID Mark1 Mark2 Mark3 1 10 20 2 20 30 3 40 10 4 50 50 I Have to write a update statement Mark3 with max value of mark1,mark2 fields…like bellow ID Mark1 Mark2 Mark3 1 10 20 20 2 20 30 30 3 40 10 40 4 50 50 50 Please any one help me ....Thq

3 Answers   Wipro,

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What are teradata utilities?

0 Answers  

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Explain the term 'primary key' related to relational database management system?

0 Answers  

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why varchar takes 2 extra bytes?

4 Answers   IBM,

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Where is teradata rdbms used?

0 Answers  

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What is primary index and secondary index?

0 Answers  

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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

5 Answers   CTS, TCS,

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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?

5 Answers   HCL,

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What are some primary characteristics of teradata?

0 Answers  

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