Skip to content

Commit 224a0d0

Browse files
AI Translate 01-dee to Simplified-Chinese (#2707)
* [INIT] Start translation to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese * ๐ŸŒ Translate 10-enterprise-features.md to Simplified-Chinese --------- Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
1 parent 7bdf08a commit 224a0d0

File tree

34 files changed

+2501
-202
lines changed

34 files changed

+2501
-202
lines changed

โ€Ž.translation-initโ€Ž

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1 +1 @@
1-
Translation initialization: 2025-08-24T10:54:05.598944
1+
Translation initialization: 2025-08-24T13:02:31.727965

โ€Ždocs/cn/guides/00-products/01-dee/10-enterprise-features.mdโ€Ž

Lines changed: 52 additions & 52 deletions
Large diffs are not rendered by default.

โ€Ždocs/cn/guides/20-cloud/20-manage/01-monitor.mdโ€Ž

Lines changed: 8 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -2,7 +2,7 @@
22
title: "็›‘ๆŽงไฝฟ็”จๆƒ…ๅ†ต"
33
---
44

5-
Databend Cloud ๆไพ›ไบ†็›‘ๆŽงๅŠŸ่ƒฝ๏ผŒๅธฎๅŠฉๆ‚จๅ…จ้ขไบ†่งฃๆ‚จๅ’Œๆ‚จ็š„็ป„็ป‡ๆˆๅ‘˜ๅœจๅนณๅฐไธŠ็š„ไฝฟ็”จๆƒ…ๅ†ตใ€‚่ฆ่ฎฟ้—ฎ **Monitor** ้กต้ข๏ผŒ่ฏทๅ•ๅ‡ปไธป้กตไพง่พนๆ ่œๅ•ไธญ็š„ **Monitor**ใ€‚่ฏฅ้กต้ขๅŒ…ๆ‹ฌไปฅไธ‹้€‰้กนๅก๏ผš
5+
Databend Cloud ๆไพ›็›‘ๆŽงๅŠŸ่ƒฝ๏ผŒๅธฎๅŠฉไฝ ๅ…จ้ขไบ†่งฃไฝ ๅ’Œ็ป„็ป‡ๆˆๅ‘˜ๅœจๅนณๅฐไธŠ็š„ไฝฟ็”จๆƒ…ๅ†ตใ€‚่ฆ่ฎฟ้—ฎ **Monitor** ้กต้ข๏ผŒ่ฏทๅœจไธป้กตไพง่พนๆ ่œๅ•ไธญ็‚นๅ‡ป **Monitor**ใ€‚่ฏฅ้กต้ขๅŒ…ๅซไปฅไธ‹้€‰้กนๅก๏ผš
66

77
- [Metrics](#metrics)
88
- [SQL History](#sql-history)
@@ -11,7 +11,7 @@ Databend Cloud ๆไพ›ไบ†็›‘ๆŽงๅŠŸ่ƒฝ๏ผŒๅธฎๅŠฉๆ‚จๅ…จ้ขไบ†่งฃๆ‚จๅ’Œๆ‚จ็š„็ป„็ป‡
1111

1212
## Metrics
1313

14-
**Metrics** ้€‰้กนๅกๆ˜พ็คบๅ›พ่กจ๏ผŒไปฅๅฏ่ง†ๅŒ–ๆ–นๅผๅฑ•็คบไปฅไธ‹ๆŒ‡ๆ ‡็š„ไฝฟ็”จ็ปŸ่ฎกไฟกๆฏ๏ผŒๆถต็›–่ฟ‡ๅŽปไธ€ๅฐๆ—ถใ€ไธ€ๅคฉๆˆ–ไธ€ๅ‘จ็š„ๆ•ฐๆฎ๏ผš
14+
**Metrics** ้€‰้กนๅกไปฅๅ›พ่กจๅฝขๅผ็›ด่ง‚ๅฑ•็คบไปฅไธ‹ๆŒ‡ๆ ‡็š„ไฝฟ็”จ็ปŸ่ฎก๏ผŒๆ•ฐๆฎ่Œƒๅ›ดๆถต็›–่ฟ‡ๅŽปไธ€ๅฐๆ—ถใ€ไธ€ๅคฉๆˆ–ไธ€ๅ‘จ๏ผš
1515

1616
- Storage Size
1717
- SQL Query Count
@@ -22,17 +22,17 @@ Databend Cloud ๆไพ›ไบ†็›‘ๆŽงๅŠŸ่ƒฝ๏ผŒๅธฎๅŠฉๆ‚จๅ…จ้ขไบ†่งฃๆ‚จๅ’Œๆ‚จ็š„็ป„็ป‡
2222

2323
## SQL History
2424

25-
**SQL History** ้€‰้กนๅกๆ˜พ็คบ็ป„็ป‡ๅ†…ๆ‰€ๆœ‰็”จๆˆทๅทฒๆ‰ง่กŒ็š„ SQL ่ฏญๅฅๅˆ—่กจใ€‚้€š่ฟ‡ๅ•ๅ‡ปๅˆ—่กจ้กถ้ƒจ็š„ **Filter**๏ผŒๆ‚จๅฏไปฅๆŒ‰ๅคšไธช็ปดๅบฆ่ฟ‡ๆปค่ฎฐๅฝ•ใ€‚
25+
**SQL History** ้€‰้กนๅกๅˆ—ๅ‡บ็ป„็ป‡ๅ†…ๆ‰€ๆœ‰็”จๆˆทๅทฒๆ‰ง่กŒ็š„ SQL ่ฏญๅฅใ€‚็‚นๅ‡ปๅˆ—่กจ้กถ้ƒจ็š„ **Filter**๏ผŒๅฏๆŒ‰ๅคšไธช็ปดๅบฆ็ญ›้€‰่ฎฐๅฝ•ใ€‚
2626

27-
ๅ•ๅ‡ป **SQL History** ้กต้ขไธŠ็š„่ฎฐๅฝ•ไผšๆ˜พ็คบๆœ‰ๅ…ณ Databend Cloud ๅฆ‚ไฝ•ๆ‰ง่กŒ SQL ่ฏญๅฅ็š„่ฏฆ็ป†ไฟกๆฏ๏ผŒไปŽ่€Œๅฏไปฅ่ฎฟ้—ฎไปฅไธ‹้€‰้กนๅก๏ผš
27+
ๅœจ **SQL History** ้กต้ข็‚นๅ‡ปๆŸๆก่ฎฐๅฝ•๏ผŒๅฏๆŸฅ็œ‹ Databend Cloud ๆ‰ง่กŒ่ฏฅ SQL ่ฏญๅฅ็š„่ฏฆ็ป†ไฟกๆฏ๏ผŒๅนถ่ฎฟ้—ฎไปฅไธ‹้€‰้กนๅก๏ผš
2828

29-
- **Query Details**๏ผšๅŒ…ๆ‹ฌ Query State๏ผˆๆˆๅŠŸๆˆ–ๅคฑ่ดฅ๏ผ‰ใ€Rows Scannedใ€Warehouseใ€Bytes Scannedใ€Start Timeใ€End Time ๅ’Œ Handler Typeใ€‚
30-
- **Query Profile**๏ผš่ฏดๆ˜Ž SQL ่ฏญๅฅ็š„ๆ‰ง่กŒๆ–นๅผใ€‚ๆœ‰ๅ…ณๆ›ดๅคšไฟกๆฏ๏ผŒ่ฏทๅ‚่ง [Query Profile](/guides/query/query-profile)ใ€‚
29+
- **Query Details**๏ผšๅŒ…ๅซ Query State๏ผˆๆˆๅŠŸๆˆ–ๅคฑ่ดฅ๏ผ‰ใ€Rows Scannedใ€Warehouseใ€Bytes Scannedใ€Start Timeใ€End Time ๅ’Œ Handler Typeใ€‚
30+
- **Query Profile**๏ผšๅฑ•็คบ SQL ่ฏญๅฅ็š„ๆ‰ง่กŒ่ฟ‡็จ‹ใ€‚
3131

3232
## Task History
3333

34-
**Task History** ้€‰้กนๅกๆไพ›ไบ†็ป„็ป‡ๅ†…ๆ‰€ๆœ‰ๅทฒๆ‰ง่กŒไปปๅŠก็š„ๅฎŒๆ•ดๆ—ฅๅฟ—๏ผŒไฝฟ็”จๆˆทๅฏไปฅๆŸฅ็œ‹ไปปๅŠก่ฎพ็ฝฎๅนถ็›‘ๆŽงๅ…ถ็Šถๆ€ใ€‚
34+
**Task History** ้€‰้กนๅกๆไพ›็ป„็ป‡ๅ†…ๆ‰€ๆœ‰ๅทฒๆ‰ง่กŒไปปๅŠก็š„ๅฎŒๆ•ดๆ—ฅๅฟ—๏ผŒๆ–นไพฟ็”จๆˆทๆŸฅ็œ‹ไปปๅŠก้…็ฝฎๅนถ็›‘ๆŽงๅ…ถ็Šถๆ€ใ€‚
3535

3636
## Audit
3737

38-
**Audit** ้€‰้กนๅก่ฎฐๅฝ•ๆ‰€ๆœ‰็ป„็ป‡ๆˆๅ‘˜็š„ๆ“ไฝœๆ—ฅๅฟ—๏ผŒๅŒ…ๆ‹ฌๆ“ไฝœ็ฑปๅž‹ใ€ๆ“ไฝœๆ—ถ้—ดใ€IP ๅœฐๅ€ๅ’Œๆ“ไฝœๅ‘˜ๅธๆˆทใ€‚้€š่ฟ‡ๅ•ๅ‡ปๅˆ—่กจ้กถ้ƒจ็š„ **Filter**๏ผŒๆ‚จๅฏไปฅๆŒ‰ๅคšไธช็ปดๅบฆ่ฟ‡ๆปค่ฎฐๅฝ•ใ€‚
38+
**Audit** ้€‰้กนๅก่ฎฐๅฝ•ๆ‰€ๆœ‰็ป„็ป‡ๆˆๅ‘˜็š„ๆ“ไฝœๆ—ฅๅฟ—๏ผŒๅŒ…ๆ‹ฌๆ“ไฝœ็ฑปๅž‹ใ€ๆ“ไฝœๆ—ถ้—ดใ€IP ๅœฐๅ€ๅ’Œๆ“ไฝœ่€…่ดฆๅทใ€‚็‚นๅ‡ปๅˆ—่กจ้กถ้ƒจ็š„ **Filter**๏ผŒๅฏๆŒ‰ๅคšไธช็ปดๅบฆ็ญ›้€‰่ฎฐๅฝ•ใ€‚

โ€Ždocs/cn/guides/51-ai-functions/01-external-functions.mdโ€Ž

Lines changed: 12 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -1,10 +1,10 @@
11
---
2-
title: ไฝฟ็”จๅค–้ƒจๅ‡ฝๆ•ฐ๏ผˆExternal Function๏ผ‰่‡ชๅฎšไน‰ AI/ML
2+
title: ไฝฟ็”จๅค–้ƒจๅ‡ฝๆ•ฐ่‡ชๅฎšไน‰ AI/ML
33
---
44

5-
# ไฝฟ็”จๅค–้ƒจๅ‡ฝๆ•ฐ๏ผˆExternal Function๏ผ‰่‡ชๅฎšไน‰ AI/ML
5+
# ไฝฟ็”จๅค–้ƒจๅ‡ฝๆ•ฐ่‡ชๅฎšไน‰ AI/ML
66

7-
้€š่ฟ‡ๅฐ† Databend ไธŽๆ‚จ่‡ชๅทฑ็š„ๅŸบ็ก€่ฎพๆ–ฝ่ฟžๆŽฅ๏ผŒๆž„ๅปบๅผบๅคง็š„ AI/ML ่ƒฝๅŠ›ใ€‚ๅค–้ƒจๅ‡ฝๆ•ฐ๏ผˆExternal Function๏ผ‰่ฎฉๆ‚จ้ƒจ็ฝฒ่‡ชๅฎšไน‰ๆจกๅž‹ใ€ๅˆฉ็”จ GPU ๅŠ ้€ŸๅนถไธŽไปปไฝ• ML ๆก†ๆžถ้›†ๆˆ๏ผŒๅŒๆ—ถ็กฎไฟๆ•ฐๆฎๅฎ‰ๅ…จใ€‚
7+
้€š่ฟ‡ๅฐ† Databend ไธŽๆ‚จ่‡ชๅทฑ็š„ๅŸบ็ก€่ฎพๆ–ฝ่ฟžๆŽฅ๏ผŒๆž„ๅปบๅผบๅคง็š„ AI/ML ่ƒฝๅŠ›ใ€‚ๅค–้ƒจๅ‡ฝๆ•ฐ๏ผˆExternal Function๏ผ‰่ฎฉๆ‚จ่ƒฝๅคŸ้ƒจ็ฝฒ่‡ชๅฎšไน‰ๆจกๅž‹ใ€ๅˆฉ็”จ GPU ๅŠ ้€Ÿ๏ผŒๅนถไธŽไปปไฝ• ML ๆก†ๆžถ้›†ๆˆ๏ผŒๅŒๆ—ถ็กฎไฟๆ•ฐๆฎๅฎ‰ๅ…จใ€‚
88

99
## ๆ ธๅฟƒ่ƒฝๅŠ›
1010

@@ -13,14 +13,14 @@ title: ไฝฟ็”จๅค–้ƒจๅ‡ฝๆ•ฐ๏ผˆExternal Function๏ผ‰่‡ชๅฎšไน‰ AI/ML
1313
| **่‡ชๅฎšไน‰ๆจกๅž‹** | ไฝฟ็”จไปปไฝ•ๅผ€ๆบๆˆ–ไธ“ๆœ‰็š„ AI/ML ๆจกๅž‹ |
1414
| **GPU ๅŠ ้€Ÿ** | ้ƒจ็ฝฒๅœจ้…ๅค‡ GPU ็š„ๆœบๅ™จไธŠไปฅๅŠ ๅฟซๆŽจ็†้€Ÿๅบฆ |
1515
| **ๆ•ฐๆฎ้š็ง** | ๅฐ†ๆ•ฐๆฎไฟ็•™ๅœจๆ‚จ็š„ๅŸบ็ก€่ฎพๆ–ฝๅ†… |
16-
| **ๅฏๆ‰ฉๅฑ•ๆ€ง** | ็‹ฌ็ซ‹ๆ‰ฉๅฑ•ๅนถไผ˜ๅŒ–่ต„ๆบ |
16+
| **ๅฏๆ‰ฉๅฑ•ๆ€ง** | ็‹ฌ็ซ‹ๆ‰ฉๅฑ•ๅ’Œ่ต„ๆบไผ˜ๅŒ– |
1717
| **็ตๆดปๆ€ง** | ๆ”ฏๆŒไปปไฝ•็ผ–็จ‹่ฏญ่จ€ๅ’Œ ML ๆก†ๆžถ |
1818

1919
## ๅทฅไฝœๅŽŸ็†
2020

21-
1. **ๅˆ›ๅปบ AI ๆœๅŠกๅ™จ**๏ผšไฝฟ็”จ Python ๅ’Œ [databend-udf](https://pypi.org/project/databend-udf) ๆž„ๅปบ AI/ML ๆœๅŠกๅ™จ
22-
2. **ๆณจๅ†Œๅ‡ฝๆ•ฐ**๏ผš้€š่ฟ‡ `CREATE FUNCTION` ๅฐ†ๆœๅŠกๅ™จๆŽฅๅ…ฅ Databend
23-
3. **ๅœจ SQL ไธญไฝฟ็”จ**๏ผš็›ดๆŽฅๅœจ SQL ๆŸฅ่ฏขไธญ่ฐƒ็”จ่‡ชๅฎšไน‰ AI ๅ‡ฝๆ•ฐ
21+
1. **ๅˆ›ๅปบ AI ๆœๅŠกๅ™จ**๏ผšไฝฟ็”จ Python ๅ’Œ [databend-udf](https://pypi.org/project/databend-udf) ๆž„ๅปบๆ‚จ็š„ AI/ML ๆœๅŠกๅ™จ
22+
2. **ๆณจๅ†Œๅ‡ฝๆ•ฐ**๏ผšไฝฟ็”จ `CREATE FUNCTION` ๅฐ†ๆ‚จ็š„ๆœๅŠกๅ™จ่ฟžๆŽฅๅˆฐ Databend
23+
3. **ๅœจ SQL ไธญไฝฟ็”จ**๏ผš็›ดๆŽฅๅœจ SQL ๆŸฅ่ฏขไธญ่ฐƒ็”จๆ‚จ็š„่‡ชๅฎšไน‰ AI ๅ‡ฝๆ•ฐ
2424

2525
## ็คบไพ‹๏ผšๆ–‡ๆœฌๅตŒๅ…ฅๅ‡ฝๆ•ฐ
2626

@@ -44,12 +44,12 @@ def ai_embed_768(inputs: list[str], headers) -> list[list[float]]:
4444
# ่ฝฌๆขไธบๅˆ—่กจๆ ผๅผ
4545
return [embedding.tolist() for embedding in embeddings]
4646
except Exception as e:
47-
print(f"็”ŸๆˆๅตŒๅ…ฅๆ—ถๅ‡บ้”™๏ผš{e}")
48-
# ๅ‡บ้”™ๆ—ถ่ฟ”ๅ›ž็ฉบๅˆ—่กจ
47+
print(f"Error generating embeddings: {e}")
48+
# ๅฆ‚ๆžœๅ‡บ้”™๏ผŒๅˆ™่ฟ”ๅ›ž็ฉบๅˆ—่กจ
4949
return [[] for _ in inputs]
5050

5151
if __name__ == '__main__':
52-
print("ๅœจ็ซฏๅฃ 8815 ๅฏๅŠจๅตŒๅ…ฅ UDF ๆœๅŠกๅ™จ...")
52+
print("ๆญฃๅœจ็ซฏๅฃ 8815 ไธŠๅฏๅŠจๅตŒๅ…ฅ UDF ๆœๅŠกๅ™จ...")
5353
server = UDFServer("0.0.0.0:8815")
5454
server.add_function(ai_embed_768)
5555
server.serve()
@@ -78,5 +78,5 @@ LIMIT 5;
7878

7979
## ไบ†่งฃๆ›ดๅคš
8080

81-
- **[ๅค–้ƒจๅ‡ฝๆ•ฐ๏ผˆExternal Function๏ผ‰ๆŒ‡ๅ—](/guides/query/external-function)** - ๅฎŒๆ•ด็š„่ฎพ็ฝฎไธŽ้ƒจ็ฝฒ่ฏดๆ˜Ž
82-
- **[Databend Cloud](https://databend.cn)** - ๅ…่ดน่ดฆๆˆทไฝ“้ชŒๅค–้ƒจๅ‡ฝๆ•ฐ
81+
- **[ๅค–้ƒจๅ‡ฝๆ•ฐๆŒ‡ๅ—](/guides/query/advanced/external-function)** - ๅฎŒๆ•ด็š„่ฎพ็ฝฎๅ’Œ้ƒจ็ฝฒ่ฏดๆ˜Ž
82+
- **[Databend Cloud](https://databend.cn)** - ไฝฟ็”จๅ…่ดน่ดฆๆˆท่ฏ•็”จๅค–้ƒจๅ‡ฝๆ•ฐ
Lines changed: 90 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,90 @@
1+
---
2+
title: ่šๅˆๆ•ฐๆฎ
3+
---
4+
5+
ๅญฆไน ๅฆ‚ไฝ•ไฝฟ็”จ GROUP BYใ€่šๅˆๅ‡ฝๆ•ฐ๏ผˆAggregate Function๏ผ‰ๅ’Œ้ซ˜็บงๅˆ†็ป„ๆŠ€ๆœฏๆฅๆฑ‡ๆ€ปๅ’Œๅˆ†ๆžๆ•ฐๆฎใ€‚
6+
7+
## ๅŸบๆœฌ่šๅˆ
8+
9+
### ๅธธ็”จ่šๅˆๅ‡ฝๆ•ฐ
10+
```sql
11+
-- ่ฎก็ฎ—่กŒๆ•ฐ
12+
SELECT COUNT(*) FROM employees;
13+
14+
-- ็ปŸ่ฎกๅ‡ฝๆ•ฐ
15+
SELECT
16+
AVG(salary) as avg_salary,
17+
MIN(salary) as min_salary,
18+
MAX(salary) as max_salary,
19+
SUM(salary) as total_salary
20+
FROM employees;
21+
```
22+
23+
## GROUP BY ๅŸบ็ก€
24+
25+
### ๅ•ๅˆ—ๅˆ†็ป„
26+
```sql
27+
-- ๆŒ‰้ƒจ้—จ็ปŸ่ฎกๅ‘˜ๅทฅไบบๆ•ฐ
28+
SELECT department, COUNT(*) as emp_count
29+
FROM employees
30+
GROUP BY department;
31+
32+
-- ๆŒ‰้ƒจ้—จ่ฎก็ฎ—ๅนณๅ‡่–ช่ต„
33+
SELECT department, AVG(salary) as avg_salary
34+
FROM employees
35+
GROUP BY department
36+
ORDER BY avg_salary DESC;
37+
```
38+
39+
### ๅคšๅˆ—ๅˆ†็ป„
40+
```sql
41+
-- ๆŒ‰้ƒจ้—จๅ’Œๅ…ฅ่Œๅนดไปฝๅˆ†็ป„
42+
SELECT
43+
department,
44+
EXTRACT(YEAR FROM hire_date) as hire_year,
45+
COUNT(*) as count,
46+
AVG(salary) as avg_salary
47+
FROM employees
48+
GROUP BY department, EXTRACT(YEAR FROM hire_date)
49+
ORDER BY department, hire_year;
50+
```
51+
52+
### GROUP BY ไธŽ HAVING
53+
```sql
54+
-- ๆŸฅๆ‰พๅ‘˜ๅทฅไบบๆ•ฐ่ถ…่ฟ‡ 5 ไบบ็š„้ƒจ้—จ
55+
SELECT department, COUNT(*) as emp_count
56+
FROM employees
57+
GROUP BY department
58+
HAVING COUNT(*) > 5;
59+
60+
-- ๅนณๅ‡่–ช่ต„ๅคงไบŽ 70000 ็š„้ƒจ้—จ
61+
SELECT department, AVG(salary) as avg_salary
62+
FROM employees
63+
GROUP BY department
64+
HAVING AVG(salary) > 70000;
65+
```
66+
67+
## ้ซ˜็บงๅˆ†็ป„
68+
69+
### GROUP BY ALL
70+
```sql
71+
-- ่‡ชๅŠจๆŒ‰ๆ‰€ๆœ‰้ž่šๅˆๅˆ—่ฟ›่กŒๅˆ†็ป„
72+
SELECT department, job_title, COUNT(*) as count
73+
FROM employees
74+
GROUP BY ALL;
75+
```
76+
77+
## ้ซ˜็บงๅˆ†็ป„ๆ‰ฉๅฑ•
78+
79+
Databend ๆ”ฏๆŒ SQL:2003 ๆ ‡ๅ‡†ๅˆ†็ป„ๆ‰ฉๅฑ•๏ผš
80+
81+
- **[ROLLUP](./groupby/group-by-rollup.md)** - ๅˆ†ๅฑ‚ๅฐ่ฎก
82+
- **[CUBE](./groupby/group-by-cube.md)** - ๆ‰€ๆœ‰ๅฏ่ƒฝ็š„็ป„ๅˆ
83+
- **[GROUPING SETS](./groupby/group-by-grouping-sets.md)** - ่‡ชๅฎšไน‰็ป„ๅˆ
84+
85+
## ๆœ€ไฝณๅฎž่ทต
86+
87+
1. **ไฝฟ็”จ้€‚ๅฝ“็š„่šๅˆๅ‡ฝๆ•ฐ** - COUNT(*) ไธŽ COUNT(column)
88+
2. **ๅˆ†็ป„ๅ‰่ฟ‡ๆปค** - ๅœจ GROUP BY ๅ‰ไฝฟ็”จ WHERE
89+
3. **ไฝฟ็”จ HAVING ่ฟ›่กŒ่šๅˆๆกไปถ่ฟ‡ๆปค** - ๅœจ่šๅˆๅŽ่ฟ‡ๆปคๅˆ†็ป„
90+
4. **่€ƒ่™‘็ดขๅผ•๏ผˆIndex๏ผ‰** - GROUP BY ็š„ๅˆ—ๅบ”ๅฝ“่ขซ็ดขๅผ•
Lines changed: 103 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,103 @@
1+
---
2+
title: ่ฟ‡ๆปคไธŽ้€‰ๆ‹ฉ
3+
---
4+
5+
ๅญฆไน ๅœจ Databend ไธญไฝฟ็”จ SELECTใ€WHERE ๅ’ŒๅŸบๆœฌๆ“ไฝœๆŸฅ่ฏข๏ผˆQuery๏ผ‰ๆ•ฐๆฎ็š„ๅŸบ็ก€็Ÿฅ่ฏ†ใ€‚
6+
7+
## ๅŸบๆœฌ SELECT ๆŸฅ่ฏข
8+
9+
### ้€‰ๆ‹ฉๅˆ—
10+
```sql
11+
-- ้€‰ๆ‹ฉ็‰นๅฎšๅˆ—
12+
SELECT name, salary FROM employees;
13+
14+
-- ้€‰ๆ‹ฉๆ‰€ๆœ‰ๅˆ—
15+
SELECT * FROM employees;
16+
17+
-- ไฝฟ็”จๅˆ—ๅˆซๅ่ฟ›่กŒ้€‰ๆ‹ฉ
18+
SELECT name AS employee_name, salary AS monthly_pay
19+
FROM employees;
20+
```
21+
22+
### ไฝฟ็”จ WHERE ่ฟ›่กŒ่ฟ‡ๆปค
23+
```sql
24+
-- ็ฎ€ๅ•ๆกไปถ
25+
SELECT * FROM employees WHERE department = 'Engineering';
26+
27+
-- ๅคš้‡ๆกไปถ
28+
SELECT * FROM employees
29+
WHERE salary > 70000 AND department = 'Engineering';
30+
31+
-- ไฝฟ็”จ OR
32+
SELECT * FROM employees
33+
WHERE department = 'Engineering' OR department = 'Marketing';
34+
35+
-- ่Œƒๅ›ดๆกไปถ
36+
SELECT * FROM employees
37+
WHERE salary BETWEEN 60000 AND 80000;
38+
39+
-- ๆจกๅผๅŒน้…
40+
SELECT * FROM employees
41+
WHERE name LIKE 'A%'; -- ๅๅญ—ไปฅ 'A' ๅผ€ๅคด
42+
```
43+
44+
## ๆŽ’ๅบ็ป“ๆžœ
45+
46+
### ORDER BY ๅญๅฅ
47+
```sql
48+
-- ๆŒ‰ๅ•ๅˆ—ๆŽ’ๅบ
49+
SELECT * FROM employees ORDER BY salary DESC;
50+
51+
-- ๆŒ‰ๅคšๅˆ—ๆŽ’ๅบ
52+
SELECT * FROM employees
53+
ORDER BY department ASC, salary DESC;
54+
55+
-- ๆŒ‰ๅˆ—ไฝ็ฝฎๆŽ’ๅบ
56+
SELECT name, salary FROM employees ORDER BY 2 DESC;
57+
```
58+
59+
## ้™ๅˆถ็ป“ๆžœ
60+
61+
### LIMIT ๅ’Œ OFFSET
62+
```sql
63+
-- ่Žทๅ–่–ชๆฐดๆœ€้ซ˜็š„ 5 ๅๅ‘˜ๅทฅ
64+
SELECT * FROM employees
65+
ORDER BY salary DESC
66+
LIMIT 5;
67+
68+
-- ๅˆ†้กต - ่ทณ่ฟ‡ๅ‰ 10 ๆก๏ผŒ่Žทๅ–ๆŽฅไธ‹ๆฅ็š„ 5 ๆก
69+
SELECT * FROM employees
70+
ORDER BY salary DESC
71+
LIMIT 5 OFFSET 10;
72+
```
73+
74+
## ๅธธ็”จ่ฟ็ฎ—็ฌฆ
75+
76+
### ๆฏ”่พƒ่ฟ็ฎ—็ฌฆ
77+
- `=` ็ญ‰ไบŽ
78+
- `!=` ๆˆ– `<>` ไธ็ญ‰ไบŽ
79+
- `>` ๅคงไบŽ
80+
- `<` ๅฐไบŽ
81+
- `>=` ๅคงไบŽๆˆ–็ญ‰ไบŽ
82+
- `<=` ๅฐไบŽๆˆ–็ญ‰ไบŽ
83+
84+
### ้€ป่พ‘่ฟ็ฎ—็ฌฆ
85+
- `AND` ไธคไธชๆกไปถ้ƒฝๅฟ…้กปไธบ็œŸ
86+
- `OR` ไปปไธ€ๆกไปถไธบ็œŸๅณๅฏ
87+
- `NOT` ๅฏนๆกไปถๅ–ๅ
88+
89+
### NULL ๅค„็†
90+
```sql
91+
-- ๆฃ€ๆŸฅ NULL ๅ€ผ
92+
SELECT * FROM employees WHERE manager_id IS NULL;
93+
94+
-- ๆฃ€ๆŸฅ้ž NULL ๅ€ผ
95+
SELECT * FROM employees WHERE manager_id IS NOT NULL;
96+
```
97+
98+
## ๆœ€ไฝณๅฎž่ทต
99+
100+
1. **ๆ˜Ž็กฎๆŒ‡ๅฎšๅˆ—** - ๅœจ็”Ÿไบง็Žฏๅขƒไธญ้ฟๅ…ไฝฟ็”จ `SELECT *`
101+
2. **ไฝฟ็”จ็ดขๅผ•๏ผˆIndex๏ผ‰** - ๅฏน็ดขๅผ•ๅˆ—ไฝฟ็”จ WHERE ๆกไปถๅฏไปฅๅŠ ๅฟซๆŸฅ่ฏข้€Ÿๅบฆ
102+
3. **้™ๅˆถๅคง้‡็ป“ๆžœ** - ๅœจ่ฟ›่กŒๆŽข็ดขๆ€งๆŸฅ่ฏขๆ—ถ๏ผŒๅง‹็ปˆไฝฟ็”จ LIMIT
103+
4. **ๅฐฝๆ—ฉ่ฟ‡ๆปค** - ๅฐฝๅฏ่ƒฝๅœจ่ฟ›่กŒ่ฟžๆŽฅ๏ผˆJOIN๏ผ‰ไน‹ๅ‰ๅบ”็”จ WHERE ๆกไปถ
Lines changed: 77 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,77 @@
1+
---
2+
title: GROUP BY CUBE
3+
---
4+
5+
`GROUP BY CUBE` ๆ˜ฏ [GROUP BY](index.md) ๅญๅฅ็š„ๆ‰ฉๅฑ•๏ผŒไธŽ [GROUP BY ROLLUP](group-by-rollup.md) ็ฑปไผผใ€‚้™คไบ†็”Ÿๆˆ `GROUP BY ROLLUP` ็š„ๆ‰€ๆœ‰่กŒไน‹ๅค–๏ผŒ`GROUP BY CUBE` ่ฟ˜ไผšๆทปๅŠ ๆ‰€ๆœ‰โ€œไบคๅ‰่กจโ€่กŒใ€‚ๅฐ่ฎก่กŒๆ˜ฏ่ฟ›ไธ€ๆญฅ่šๅˆ็š„่กŒ๏ผŒๅ…ถๅ€ผ้€š่ฟ‡่ฎก็ฎ—็”จไบŽ็”Ÿๆˆๅˆ†็ป„่กŒ็š„็›ธๅŒ่šๅˆๅ‡ฝๆ•ฐๅพ—ๅ‡บใ€‚
6+
7+
ไธ€ไธช `CUBE` ๅˆ†็ป„็ญ‰ไปทไบŽไธ€่ฟžไธฒ็š„ GROUPING SETS๏ผˆๅˆ†็ป„้›†๏ผ‰๏ผŒๆœฌ่ดจไธŠๆ˜ฏไธ€็งๆ›ด็ฎ€ๆด็š„ๅ†™ๆณ•ใ€‚CUBE ่ง„่Œƒไธญ็š„ N ไธชๅ…ƒ็ด ๅฏนๅบ” `2^N` ไธช `GROUPING SETS`ใ€‚
8+
9+
## ่ฏญๆณ•
10+
11+
```sql
12+
SELECT ...
13+
FROM ...
14+
[ ... ]
15+
GROUP BY CUBE ( groupCube [ , groupCube [ , ... ] ] )
16+
[ ... ]
17+
```
18+
19+
ๅ…ถไธญ๏ผš
20+
```sql
21+
groupCube ::= { <column_alias> | <position> | <expr> }
22+
```
23+
24+
- `<column_alias>`๏ผšๆŸฅ่ฏขๅ— SELECT ๅˆ—่กจไธญๅ‡บ็Žฐ็š„ๅˆ—ๅˆซๅใ€‚
25+
26+
- `<position>`๏ผšSELECT ๅˆ—่กจไธญ่กจ่พพๅผ็š„ไฝ็ฝฎใ€‚
27+
28+
- `<expr>`๏ผšๅฝ“ๅ‰ไฝœ็”จๅŸŸๅ†…่กจ็š„ไปปๆ„่กจ่พพๅผใ€‚
29+
30+
31+
## ็คบไพ‹
32+
33+
ๅ‡่ฎพๆˆ‘ไปฌๆœ‰ไธ€ๅผ ๅไธบ sales_data ็š„่กจ๏ผŒๅ…ถ็ป“ๆž„ๅŠ็คบไพ‹ๆ•ฐๆฎๅฆ‚ไธ‹๏ผš
34+
35+
```sql
36+
CREATE TABLE sales_data (
37+
region VARCHAR(255),
38+
product VARCHAR(255),
39+
sales_amount INT
40+
);
41+
42+
INSERT INTO sales_data (region, product, sales_amount) VALUES
43+
('North', 'WidgetA', 200),
44+
('North', 'WidgetB', 300),
45+
('South', 'WidgetA', 400),
46+
('South', 'WidgetB', 100),
47+
('West', 'WidgetA', 300),
48+
('West', 'WidgetB', 200);
49+
```
50+
51+
็Žฐๅœจ๏ผŒๆˆ‘ไปฌไฝฟ็”จ `GROUP BY CUBE` ๅญๅฅ่Žทๅ–ๆฏไธชๅœฐๅŒบไธŽไบงๅ“็š„ๆ€ป้”€ๅ”ฎ้ข๏ผŒไปฅๅŠๆ‰€ๆœ‰ๅฏ่ƒฝ็š„่šๅˆ็ป“ๆžœ๏ผš
52+
53+
```sql
54+
SELECT region, product, SUM(sales_amount) AS total_sales
55+
FROM sales_data
56+
GROUP BY CUBE (region, product);
57+
```
58+
59+
็ป“ๆžœๅฆ‚ไธ‹๏ผš
60+
```sql
61+
+--------+---------+-------------+
62+
| region | product | total_sales |
63+
+--------+---------+-------------+
64+
| South | NULL | 500 |
65+
| NULL | WidgetB | 600 |
66+
| West | NULL | 500 |
67+
| North | NULL | 500 |
68+
| West | WidgetB | 200 |
69+
| NULL | NULL | 1500 |
70+
| North | WidgetB | 300 |
71+
| South | WidgetA | 400 |
72+
| North | WidgetA | 200 |
73+
| NULL | WidgetA | 900 |
74+
| West | WidgetA | 300 |
75+
| South | WidgetB | 100 |
76+
+--------+---------+-------------+
77+
```

0 commit comments

Comments
ย (0)