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Discuss the problem of Spurious tuples and how we may prevent it.
Ans: A spurious tuple is, mainly, a record in a database that gets created while two tables are joined badly. In database-ese, spurious tuples are formed while two tables are joined on attributes which are neither primary keys nor foreign keys. To prevent spurious tuples, avoid joining relations that consist of matching attributes that are not (foreign key, primary key) combinations as joining on such attributes may generate spurious tuples.
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
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Which data manipulation command combines the records from one or more tables ? JOIN data manipulation command combines the records from one or more tables.
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
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Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
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