AIncorrect Answer

The speed of execution is not part of the SQL standard.

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BIncorrect Answer

ISO SQL is a standard, and not a product. Thus, it cannot be "installed" as such.

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CCorrect Answer

SQL*PLUS is ORACLE's implementation of ISO SQL, and includes some extensions to ISO SQL to better utilize features of ORACLE.

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DIncorrect Answer

The ISO standard of SQL is the industrial standard definition of SQL. ORACLE's implementation of that standard is called SQL*PLUS.

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EIncorrect Answer

SQL*PLUS is indeed a product, while ISO SQL is a standard and not a product.

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A B C D E TELL ME NEXT INDEX
 
 

Which of the following best describes the relation between ISO SQL and ORACLE's SQL*PLUS?

  1. ORACLE SQL*PLUS is faster than ISO SQL
  2. ORACLE SQL*PLUS may be installed on a wider range of platforms
  3. ORACLE SQL*PLUS is an attempt to implement a superset of ISO SQL
  4. ORACLE SQL*PLUS is the industry standard definition of ISO SQL
  5. ORACLE SQL*PLUS is a commercial product, ISO SQL is freeware.