Learn Oracle Database pilotage three-database objects

Source: Internet
Author: User

I. Table-Paragraph

Table partitioning: Easy to delete operations, etc.

You can delete the partition table directly (quickly).

High efficiency when using conditions such as while.

Second, the index

Improve query speed

affect DML (update, INSERT, delete) efficiency

Updating the contents of the table also updates the contents of the index.

Third, Database link

Between two sets of data

A mechanism based on distributed transactions.

Four, table space

Can have multiple data files

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.