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A relation with only simple (non-compound) keys will already…

A relation with only simple (non-compound) keys will already be in 2NF if it also in 1NF.

Published July 24, 2026
Categorized as Uncategorized

Which of the following happens when write operation fails, r…

Which of the following happens when write operation fails, requires undo:

Published July 24, 2026
Categorized as Uncategorized

Which of the following SQL clauses are required in any SQL S…

Which of the following SQL clauses are required in any SQL SELECT query and cannot be omitted?

Published July 24, 2026
Categorized as Uncategorized

What’s wrong with this sample SQL Query? SELECT COUNT(Custom…

What’s wrong with this sample SQL Query? SELECT COUNT(CustomerID), StateFROM CustomersWHERE CustomerType=’SCorp’GROUP BY StateORDER BY COUNT(CustomerID) DESC;

Published July 24, 2026
Categorized as Uncategorized

___________ anomaly takes place when changing data in a row…

___________ anomaly takes place when changing data in a row forces changes to other rows (because of duplication) or results in invalid data.

Published July 24, 2026
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Which of the following happens when a summary process runs a…

Which of the following happens when a summary process runs at the same time as an update:

Published July 24, 2026
Categorized as Uncategorized

NULL value has two possible meanings: either True or False

NULL value has two possible meanings: either True or False

Published July 24, 2026
Categorized as Uncategorized

Which normal form adds the requirement that every non-key at…

Which normal form adds the requirement that every non-key attribute must be fully dependent on the key?

Published July 24, 2026
Categorized as Uncategorized

Ensuring that that processes that run simultaneously behave…

Ensuring that that processes that run simultaneously behave in an appropriate way is known as:

Published July 24, 2026
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The best way to contact Dr. Black is via…

The best way to contact Dr. Black is via…

Published July 24, 2026
Categorized as Uncategorized

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