Question 42 The correct statements are: If L₁ is reducible to L₂ and L₂ is not in D, then L₁ cannot be in D. If L₁ is reducible to L₂ and L₁ is not in D, then L₂ cannot be in D. If L₁ is reducible to L2 and L₂ is not in SD, then L₁ cannot be in SD. If L₁ is reducible to L₂ and L₁ is not in SD, then L₂ cannot be in SD.

Question 42 The correct statements are: If L₁ is reducible to L₂ and L₂ is not in D, then L₁ cannot be in D. If L₁ is reducible to L₂ and L₁ is not in D, then L₂ cannot be in D. If L₁ is reducible to L2 and L₂ is not in SD, then L₁ cannot be in SD. If L₁ is reducible to L₂ and L₁ is not in SD, then L₂ cannot be in SD.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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