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Author Question: A weak entity is an entity that cannot exist in the database without (and is logically dependent ... (Read 288 times)

c0205847

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on: Jul 7, 2018
A weak entity is an entity that cannot exist in the database without (and is logically dependent upon) another type of entity also existing in the database.
 
  Indicate whether the statement is true or false

Question 2

The INTERSECT of two relations A and B consists of all rows that are in relation B but are not in relation A.
 
  Indicate whether the statement is true or false


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Kedrick2014

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Reply #1 on: Jul 7, 2018
Answer to Question 1

TRUE

Answer to Question 2

FALSE


c0205847

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Reply 2 on: Jul 7, 2018
Wow, this really help

softEldritch

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Reply 3 on: Yesterday
Gracias!

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