What does the following query do when performed on the posts collection?db.posts.update([_id:1)[$set:[Author:"Tom"}})0000Sets the complete document with_id as 1 with the document specified in second parameter by replacing it completely.Adds a new field Author in the searched collection if not already present.Updates only the Author field of the document with_id as 1.Both B and C.

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What does the following query db.posts.update([_id:1)[$set:[ O Sets the complete docum Adds a new field Author i O Updates only the Author O Both B and C.

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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