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Author Question: To start working with MySQL Community Edition in Windows, use the command Start All Programs MySQL ... (Read 126 times)

wrbasek0

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on: Jul 7, 2018
To start working with MySQL Community Edition in Windows, use the command Start  All Programs  MySQL  MySQL Workbench CE 6.2. (or the version number you have installed).
 
  Indicate whether the statement is true or false

Question 2

When transforming an ID-dependent E-R data model relationship into a relational database design and the parent entity has a surrogate primary key and the child entity has a data identifier, then the primary key of the child table should be ________.
 
  A) the parent's surrogate key + the child's data key
  B) the parent's surrogate key + a surrogate key in the child
  C) either A or B will work, but method A is preferable
  D) either A or B will work, but method B is preferable


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isabelt_18

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

TRUE

Answer to Question 2

D


wrbasek0

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Reply 2 on: Jul 7, 2018
Gracias!

patma1981

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Reply 3 on: Yesterday
Wow, this really help

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