Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Update overview.md #2082

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Update overview.md #2082

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion .../docusaurus-plugin-content-docs/version-3.0/table-design/data-model/overview.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,7 @@ under the License.

合理使用排序键可以带来以下收益：

* **加速查询性能**：排序键有助于减少数据扫描量。对于范围查询或过滤查询，可以利用排序键直接定位数据的位置。对于需要需要进行排序的查询，也可以利用排序键进行排序加速；
* **加速查询性能**：排序键有助于减少数据扫描量。对于范围查询或过滤查询，可以利用排序键直接定位数据的位置。对于需要进行排序的查询，也可以利用排序键进行排序加速；

* **数据压缩优化**：数据按排序键有序存储会提高压缩的效率，相似的数据会聚集在一起，压缩率会大幅度提高，从而减小数据的存储空间。

Expand Down