thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-09-20 00:30:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #34136 from cnmade/PF202201291630

Browse Source 
translate zh...statements/exists
This commit is contained in:
Maksim Kita 2022-01-29 14:25:09 +01:00 committed by GitHub
commit d0f9412072
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
docs/zh/sql-reference/statements/exists.md
View File

@ -1 +0,0 @@
../../../en/sql-reference/statements/exists.md

12
docs/zh/sql-reference/statements/exists.md Normal file
View File

@ -0,0 +1,12 @@
---
toc_priority: 45
toc_title: EXISTS
---
# EXISTS 语句 {#exists-statement}
``` sql
EXISTS [TEMPORARY] [TABLE|DICTIONARY] [db.]name [INTO OUTFILE filename] [FORMAT format]
```
返回一个单独的 `UInt8`类型的列，如果表或数据库不存在，则包含一个值 `0`，如果表在指定的数据库中存在，则包含一个值 `1`。