Загрузка страницы

Which Order Should Columns Go in an Index?: Finding All the Red Sweets Part 4

When you create an index on multiple columns there's an important question you need to answer:

In which order should you list the columns?

This video looks at some of the factors you should consider to help answer this question.

============================
The Magic of SQL with Chris Saxon

Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.

Видео Which Order Should Columns Go in an Index?: Finding All the Red Sweets Part 4 канала The Magic of SQL
Показать
Комментарии отсутствуют
Введите заголовок:

Введите адрес ссылки:

Введите адрес видео с YouTube:

Зарегистрируйтесь или войдите с
Информация о видео
8 октября 2015 г. 20:45:44
00:06:19
Яндекс.Метрика