What is the difference between primary key, foreign key and candidate key?
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Write a query to retrieve for many to many relationships?
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What does currency type mean in database?
Differentiate between delete and truncate table?
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How concurrency problems effect the database?
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What are the various ways to execute a query in teradata?
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What are different types of blocks used in stored procedure?
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define primary key index, bitmap index, hash index,virtual indwx