thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-22 15:42:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

Update docs/en/sql-reference/statements/alter/projection.md

Browse Source
This commit is contained in:
Dan Roscigno 2022-11-23 10:39:10 -05:00 committed by GitHub
parent d527ca5d9d
commit 02a0d4f2e5
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
docs/en/sql-reference/statements/alter/projection.md
View File

@ -17,7 +17,7 @@ Projections will create internally a new hidden table, this means that more IO a
Example, If the projection has defined a different primary key, all the data from the original table will be duplicated.
:::
You can see more technical details about how projections work internally on this [page]([url](https://clickhouse.com/docs/en/guides/improving-query-performance/sparse-primary-indexes/sparse-primary-indexes-multiple/#option-3-projections)).
You can see more technical details about how projections work internally on this [page](/docs/en/guides/improving-query-performance/sparse-primary-indexes/sparse-primary-indexes-multiple.md/#option-3-projections).
## Example filtering without using primary keys