When is update_statistics command used, Database Management System

Assignment Help:

When is UPDATE_STATISTICS command used?

- When processing of large data is done, this command is used.

- Whenever large number of modification, deletions or copy takes place into the tables, indexes need to be updated to take care of these changes. UPDATE_STATISTICS performs this job.

 


Related Discussions:- When is update_statistics command used

Hashing, how to implement mid square hashing?

how to implement mid square hashing?

Explain the paths in the association network, Explain the paths in the asso...

Explain the paths in the association network We can analyze use of paths in the association network as given below: Calculate each operation Find associations whic

Create a view that finds the student name, Section A:  Use the following ta...

Section A:  Use the following tables to create a database called College.  Use SQL commands. Student stuid(primary) lastName firstName

Sql, sql is relationally complete-justify

sql is relationally complete-justify

Computer, 1. Will you advise that your organization uses open source softwa...

1. Will you advise that your organization uses open source software and why? 2. Why is it important for business managers to have a basic understanding of the software development

The proliferation of object-oriented methods, The Proliferation of Object-O...

The Proliferation of Object-Oriented Methods The first few years of the 1990s saw blossoming of around fifty various object oriented methods. This proliferation is a sign of g

Ldb hierarchy there should exist one get statement, It is mandatory that fo...

It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False.  It is not essential.

Transaction managenment, can you please explain with the help of suitable e...

can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?

Increases efficiency-data fragmentation, Increases efficiency : Data is sto...

Increases efficiency : Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, there

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd