Oracle 12c: SQL
Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Chapter 4, Problem 3HOA

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  Changing the SQL command

  • In a Relational Database, the Primary Key uniquely identifies a row in the table.
  • The Primary Key must be unique and can't be NULL.
  • There should be only one Primary Key in a table...

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Oracle 12c: SQL

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