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


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

6 Answers   Wipro,


How do you create a table with an existing structure of another table with data and with no data?

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Is it necessary to add? Quit statement after a bteq query when I am calling it in a unix environment?

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can we have an unconnected lkp to lookup a DB2 record against a Teradata record?

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In a table can we use primary key in one column and in another column both unique and not null constrains.if yes how?

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Explain and compare pros and cons of snow flake schemas?

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