Answered: What are the database statistics…

What are the database statistics measurement typical of indexes? What are the database statistics measurement typical of resources?

Principles of Information Systems (MindTap Course List)

13th Edition

ISBN:9781305971776

Author:Ralph Stair, George Reynolds

Publisher:Ralph Stair, George Reynolds

Chapter5: Database Systems And Big Data

Section: Chapter Questions

Problem 4RQ: What is meant by data archiving? Why is this an important consideration when operating a database?

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Concept explainers

SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.

Question

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What are the database statistics measurement typical of indexes?

What are the database statistics measurement typical of resources?

Organized collection of structured information, or data, typically stored in a computer system.

Expert Solution

Step 1

Database Statistics:

Database statistics is about gathering measurement number about the database objects.

The objects of the database include tables, indexes, number of processor used, speed of the processor and spaces that are available temporary are being measured for the resources.
Gathering this type of information in the form of statistics can provide a clear portrait about the characteristics of the DBMS.
Gathering database statistics plays a major role in the query optimization.
Gathering database statistics is important because they are used in obtaining the critical decision in improving the efficiency of the query processing.

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