Answered: Briefly explain base-index operands

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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Briefly explain base-index operands

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Step 1 Base-index operands

Base and index can be from one of the specific registers of 32–bit numbers.
Information operands are either defined by a data type, or by a database containing the address of a variable.
The scale is a variable that multiplies the index until it is applied to a basis to determine the encoder address.
For this form, the information is 8 bits or 16 bits long and the command portion is the data. The successful data handle is now in the memory block or an indexed register defined in the order. Here system needs to register are needed to access the information.
Unique to index mode, a base register shall be used except in lieu of an index register. The base log includes a reference to a position of the memory.

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