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๐Ÿ’ฌGenerate LLM translations (#1657)
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โ€Ždocs/cn/sql-reference/10-sql-commands/00-ddl/01-table/92-attach-table.md

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import FunctionDescription from '@site/src/components/FunctionDescription';
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<FunctionDescription description="ๅผ•ๅ…ฅๆˆ–ๆ›ดๆ–ฐไบŽ๏ผšv1.2.549"/>
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<FunctionDescription description="ๅผ•ๅ…ฅๆˆ–ๆ›ดๆ–ฐ็‰ˆๆœฌ๏ผšv1.2.698"/>
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import EEFeature from '@site/src/components/EEFeature';
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<EEFeature featureName='ATTACH TABLE'/>
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ๅฐ†็Žฐๆœ‰่กจ้™„ๅŠ ๅˆฐๅฆไธ€ไธช่กจใ€‚่ฏฅๅ‘ฝไปคๅฐ†่กจ็š„ๆ•ฐๆฎๅ’ŒๆจกๅผไปŽไธ€ไธชๆ•ฐๆฎๅบ“็งปๅŠจๅˆฐๅฆไธ€ไธชๆ•ฐๆฎๅบ“๏ผŒไฝ†ๅฎž้™…ไธŠๅนถไธๅคๅˆถๆ•ฐๆฎใ€‚็›ธๅ๏ผŒๅฎƒๅˆ›ๅปบไธ€ไธชๆŒ‡ๅ‘ๅŽŸๅง‹่กจๆ•ฐๆฎ็š„้“พๆŽฅไปฅ่ฎฟ้—ฎๆ•ฐๆฎใ€‚
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Attach Table ไฝฟๆ‚จ่ƒฝๅคŸๆ— ็ผๅœฐๅฐ†ไบ‘ๆœๅŠกๅนณๅฐไธญ็š„่กจ่ฟžๆŽฅๅˆฐ็งๆœ‰้ƒจ็ฝฒ็Žฏๅขƒไธญๅทฒๅญ˜ๅœจ็š„่กจ๏ผŒ่€Œๆ— ้œ€็‰ฉ็†็งปๅŠจๆ•ฐๆฎใ€‚่ฟ™ๅœจๆ‚จๅธŒๆœ›ๅฐ†ๆ•ฐๆฎไปŽ็งๆœ‰้ƒจ็ฝฒ็š„ Databend ่ฟ็งปๅˆฐ [Databend Cloud](https://www.databend.com) ๆ—ถ็‰นๅˆซๆœ‰็”จ๏ผŒๅŒๆ—ถๆœ€ๅคง้™ๅบฆๅœฐๅ‡ๅฐ‘ๆ•ฐๆฎไผ ่พ“ๅผ€้”€ใ€‚
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- Attach Table ไฝฟๆ‚จ่ƒฝๅคŸๆ— ็ผๅœฐๅฐ†ไบ‘ๆœๅŠกๅนณๅฐไธญ็š„่กจ่ฟžๆŽฅๅˆฐ็งๆœ‰ๅŒ–้ƒจ็ฝฒ็Žฏๅขƒไธญ็Žฐๆœ‰็š„่กจ๏ผŒ่€Œๆ— ้œ€็‰ฉ็†็งปๅŠจๆ•ฐๆฎใ€‚่ฟ™ๅœจๆ‚จๅธŒๆœ›ๅฐ†ๆ•ฐๆฎไปŽ Databend ็š„็งๆœ‰ๅŒ–้ƒจ็ฝฒ่ฟ็งปๅˆฐ [Databend Cloud](https://www.databend.com) ๅŒๆ—ถๆœ€ๅฐๅŒ–ๆ•ฐๆฎไผ ่พ“ๅผ€้”€ๆ—ถ็‰นๅˆซๆœ‰็”จใ€‚
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้™„ๅŠ ็š„่กจไปฅ READ_ONLY ๆจกๅผ่ฟ่กŒใ€‚ๅœจๆญคๆจกๅผไธ‹๏ผŒๆบ่กจไธญ็š„ๆ›ดๆ”นไผš็ซ‹ๅณๅๆ˜ ๅœจ้™„ๅŠ ่กจไธญใ€‚็„ถ่€Œ๏ผŒ้™„ๅŠ ่กจไป…็”จไบŽๆŸฅ่ฏข็›ฎ็š„๏ผŒไธๆ”ฏๆŒๆ›ดๆ–ฐใ€‚่ฟ™ๆ„ๅ‘ณ็€ๅœจ้™„ๅŠ ่กจไธŠไธๅ…่ฎธๆ‰ง่กŒ INSERTใ€UPDATE ๅ’Œ DELETE ๆ“ไฝœ๏ผ›ๅช่ƒฝๆ‰ง่กŒ SELECT ๆŸฅ่ฏขใ€‚
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- ้™„ๅŠ ็š„่กจไปฅ READ_ONLY ๆจกๅผ่ฟ่กŒใ€‚ๅœจๆญคๆจกๅผไธ‹๏ผŒๆบ่กจไธญ็š„ๆ›ดๆ”นไผš็ซ‹ๅณๅๆ˜ ๅœจ้™„ๅŠ ็š„่กจไธญใ€‚็„ถ่€Œ๏ผŒ้™„ๅŠ ็š„่กจไป…็”จไบŽๆŸฅ่ฏข็›ฎ็š„๏ผŒไธๆ”ฏๆŒๆ›ดๆ–ฐใ€‚่ฟ™ๆ„ๅ‘ณ็€ๅœจ้™„ๅŠ ็š„่กจไธŠไธๅ…่ฎธๆ‰ง่กŒ INSERTใ€UPDATE ๅ’Œ DELETE ๆ“ไฝœ๏ผ›ๅช่ƒฝๆ‰ง่กŒ SELECT ๆŸฅ่ฏขใ€‚
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## ่ฏญๆณ•
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```sql
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ATTACH TABLE <target_table_name> '<source_table_data_URI>'
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CONNECTION = ( <connection_parameters> )
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ATTACH TABLE <็›ฎๆ ‡่กจๅ> [ ( <ๅˆ—ๅˆ—่กจ> ) ] '<ๆบ่กจๆ•ฐๆฎ_URI>'
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CONNECTION = ( <่ฟžๆŽฅๅ‚ๆ•ฐ> )
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```
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- `<ๅˆ—ๅˆ—่กจ>`: ไธ€ไธชๅฏ้€‰็š„ใ€้€—ๅทๅˆ†้š”็š„ๅˆ—ๅˆ—่กจ๏ผŒ็”จไบŽๅŒ…ๅซๆบ่กจไธญ็š„ๅˆ—๏ผŒๅ…่ฎธ็”จๆˆทๆŒ‡ๅฎšไป…้œ€่ฆ็š„ๅˆ—๏ผŒ่€Œไธๆ˜ฏๅŒ…ๅซๆ‰€ๆœ‰ๅˆ—ใ€‚ๅฆ‚ๆžœๆœชๆŒ‡ๅฎš๏ผŒๅฐ†ๅŒ…ๅซๆบ่กจไธญ็š„ๆ‰€ๆœ‰ๅˆ—ใ€‚
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- `<source_table_data_URI>` ่กจ็คบๆบ่กจๆ•ฐๆฎ็š„่ทฏๅพ„ใ€‚ๅฏนไบŽ็ฑปไผผ S3 ็š„ๅฏน่ฑกๅญ˜ๅ‚จ๏ผŒๆ ผๅผไธบ `s3://<bucket-name>/<database_ID>/<table_ID>`๏ผŒไพ‹ๅฆ‚ _s3://databend-toronto/1/23351/_๏ผŒๅฎƒ่กจ็คบๅญ˜ๅ‚จๆกถไธญ่กจๆ–‡ไปถๅคน็š„็กฎๅˆ‡่ทฏๅพ„ใ€‚
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- ๅœจๆบ่กจไธญ้‡ๅ‘ฝๅๅŒ…ๅซ็š„ๅˆ—ไผšๆ›ดๆ–ฐๅ…ถๅœจ้™„ๅŠ ่กจไธญ็š„ๅ็งฐ๏ผŒๅนถไธ”ๅฟ…้กปไฝฟ็”จๆ–ฐๅ็งฐ่ฎฟ้—ฎๅฎƒใ€‚
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- ๅœจๆบ่กจไธญๅˆ ้™คๅŒ…ๅซ็š„ๅˆ—ไผšไฝฟๅ…ถๅœจ้™„ๅŠ ่กจไธญๆ— ๆณ•่ฎฟ้—ฎใ€‚
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- ๅฏนๆœชๅŒ…ๅซ็š„ๅˆ—็š„ๆ›ดๆ”น๏ผŒไพ‹ๅฆ‚ๅœจๆบ่กจไธญ้‡ๅ‘ฝๅๆˆ–ๅˆ ้™คๅฎƒไปฌ๏ผŒไธไผšๅฝฑๅ“้™„ๅŠ ่กจใ€‚
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- `<ๆบ่กจๆ•ฐๆฎ_URI>` ่กจ็คบๆบ่กจๆ•ฐๆฎ็š„่ทฏๅพ„ใ€‚ๅฏนไบŽ S3 ็ฑปไผผ็š„ๅฏน่ฑกๅญ˜ๅ‚จ๏ผŒๆ ผๅผไธบ `s3://<bucket-name>/<database_ID>/<table_ID>`๏ผŒไพ‹ๅฆ‚ _s3://databend-toronto/1/23351/_๏ผŒๅฎƒ่กจ็คบๆกถๅ†…่กจๆ–‡ไปถๅคน็š„็กฎๅˆ‡่ทฏๅพ„ใ€‚
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![Alt text](/img/sql/attach.png)
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timestamp |2023-07-11 05:38:27.0 |
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```
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- `CONNECTION` ๆŒ‡ๅฎšๅปบ็ซ‹ไธŽๅญ˜ๅ‚จๆบ่กจๆ•ฐๆฎ็š„ๅฏน่ฑกๅญ˜ๅ‚จ้“พๆŽฅๆ‰€้œ€็š„่ฟžๆŽฅๅ‚ๆ•ฐใ€‚ไธๅŒๅญ˜ๅ‚จๆœๅŠก็š„่ฟžๆŽฅๅ‚ๆ•ฐๆ นๆฎๅ…ถ็‰นๅฎš่ฆๆฑ‚ๅ’Œ่ฎค่ฏๆœบๅˆถ่€Œๆœ‰ๆ‰€ไธๅŒใ€‚ๆœ‰ๅ…ณๆ›ดๅคšไฟกๆฏ๏ผŒ่ฏทๅ‚่ง [่ฟžๆŽฅๅ‚ๆ•ฐ](../../../00-sql-reference/51-connect-parameters.md)ใ€‚
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- `CONNECTION` ๆŒ‡ๅฎšๅปบ็ซ‹ไธŽๅญ˜ๅ‚จๆบ่กจๆ•ฐๆฎ็š„ๅฏน่ฑกๅญ˜ๅ‚จ้“พๆŽฅๆ‰€้œ€็š„่ฟžๆŽฅๅ‚ๆ•ฐใ€‚่ฟžๆŽฅๅ‚ๆ•ฐๅ› ไธๅŒๅญ˜ๅ‚จๆœๅŠก็š„็‰นๅฎš่ฆๆฑ‚ๅ’Œ่ฎค่ฏๆœบๅˆถ่€Œๅผ‚ใ€‚ๆœ‰ๅ…ณๆ›ดๅคšไฟกๆฏ๏ผŒ่ฏทๅ‚่ง [่ฟžๆŽฅๅ‚ๆ•ฐ](../../../00-sql-reference/51-connect-parameters.md)ใ€‚
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## ็คบไพ‹
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## ๆ•™็จ‹
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ๆœฌ็คบไพ‹ๅฑ•็คบไบ†ๅฆ‚ไฝ•ๅฐ† Databend Cloud ไธญ็š„ๆ–ฐ่กจไธŽ Databend ไธญ็š„็Žฐๆœ‰่กจ้“พๆŽฅ๏ผŒ่ฏฅ่กจๅฐ†ๆ•ฐๆฎๅญ˜ๅ‚จๅœจๅไธบ "databend-toronto" ็š„ Amazon S3 ๅญ˜ๅ‚จๆกถไธญใ€‚
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- [ไฝฟ็”จ ATTACH TABLE ้“พๆŽฅ่กจ](/tutorials/databend-cloud/link-tables)
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#### ๆญฅ้ชค 1. ๅœจ Databend ไธญๅˆ›ๅปบ่กจ
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## ็คบไพ‹
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ๅˆ›ๅปบไธ€ไธชๅไธบ "population" ็š„่กจๅนถๆ’ๅ…ฅไธ€ไบ›็คบไพ‹ๆ•ฐๆฎ๏ผš
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ๆญค็คบไพ‹ๅˆ›ๅปบไธ€ไธช้™„ๅŠ ่กจ๏ผŒๅ…ถไธญๅŒ…ๅซๅญ˜ๅ‚จๅœจ AWS S3 ไธญ็š„ๆบ่กจ็š„ๆ‰€ๆœ‰ๅˆ—๏ผš
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```sql title='Databend:'
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CREATE TABLE population (
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city VARCHAR(50),
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population INT
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```sql
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ATTACH TABLE population_all_columns 's3://databend-doc/1/16/' CONNECTION = (
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REGION='us-east-2',
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AWS_KEY_ID = '<your_aws_key_id>',
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AWS_SECRET_KEY = '<your_aws_secret_key>'
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);
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INSERT INTO population (city, population) VALUES
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('Toronto', 2731571),
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('Montreal', 1704694),
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('Vancouver', 631486);
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```
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#### ๆญฅ้ชค 2. ่Žทๅ–ๆ•ฐๆฎๅบ“ ID ๅ’Œ่กจ ID
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ไฝฟ็”จ [FUSE_SNAPSHOT](../../../20-sql-functions/16-system-functions/fuse_snapshot.md) ๅ‡ฝๆ•ฐ่Žทๅ–ๆ•ฐๆฎๅบ“ ID ๅ’Œ่กจ IDใ€‚ไปฅไธ‹็ป“ๆžœ่กจๆ˜Žๆ•ฐๆฎๅบ“ ID ไธบ **1**๏ผŒ่กจ ID ไธบ **556**๏ผš
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```sql title='Databend:'
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SELECT * FROM FUSE_SNAPSHOT('default', 'population');
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โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
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โ”‚ snapshot_id โ”‚ snapshot_location โ”‚ format_version โ”‚ previous_snapshot_id โ”‚ segment_count โ”‚ block_count โ”‚ row_count โ”‚ bytes_uncompressed โ”‚ bytes_compressed โ”‚ index_size โ”‚ timestamp โ”‚
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โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
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โ”‚ f252dd43d1aa44898a04827808342daf โ”‚ 1/556/_ss/f252dd43d1aa44898a04827808342daf_v4.mpk โ”‚ 4 โ”‚ NULL โ”‚ 1 โ”‚ 1 โ”‚ 3 โ”‚ 70 โ”‚ 448 โ”‚ 531 โ”‚ 2023-11-01 02:35:47.325319 โ”‚
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โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
85-
```
86-
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ๅฝ“ๆ‚จ่ฎฟ้—ฎ Amazon S3 ไธŠ็š„ๅญ˜ๅ‚จๆกถ้กต้ขๆ—ถ๏ผŒๆ‚จไผš่ง‚ๅฏŸๅˆฐๆ•ฐๆฎ่ขซ็ป„็ป‡ๅœจ่ทฏๅพ„ `databend-toronto` > `1` > `556` ไธญ๏ผŒๅฆ‚ไธ‹ๆ‰€็คบ๏ผš
88-
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![Alt text](/img/sql/attach-table-2.png)
90-
91-
#### ๆญฅ้ชค 3. ๅœจ Databend Cloud ไธญ้“พๆŽฅ่กจ
74+
ๆญค็คบไพ‹ๅˆ›ๅปบไธ€ไธช้™„ๅŠ ่กจ๏ผŒๅ…ถไธญไป…ๅŒ…ๅซๅญ˜ๅ‚จๅœจ AWS S3 ไธญ็š„ๆบ่กจ็š„้€‰ๅฎšๅˆ—๏ผˆ`city` ๅ’Œ `population`๏ผ‰๏ผš
9275

93-
็™ปๅฝ• Databend Cloud ๅนถๅœจๅทฅไฝœ่กจไธญ่ฟ่กŒไปฅไธ‹ๅ‘ฝไปคไปฅ้“พๆŽฅๅไธบ "population_readonly" ็š„่กจ๏ผš
94-
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```sql title='Databend Cloud:'
96-
ATTACH TABLE population_readonly 's3://databend-toronto/1/556/' CONNECTION = (
76+
```sql
77+
ATTACH TABLE population_only (city, population) 's3://databend-doc/1/16/' CONNECTION = (
78+
REGION='us-east-2',
9779
AWS_KEY_ID = '<your_aws_key_id>',
9880
AWS_SECRET_KEY = '<your_aws_secret_key>'
9981
);
100-
```
101-
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่ฆ้ชŒ่ฏ้“พๆŽฅๆ˜ฏๅฆๆˆๅŠŸ๏ผŒ่ฏทๅœจ Databend Cloud ไธญ่ฟ่กŒไปฅไธ‹ๆŸฅ่ฏข๏ผš
103-
104-
```sql title='Databend Cloud:'
105-
SELECT * FROM population_readonly;
106-
107-
-- ้ข„ๆœŸ็ป“ๆžœ๏ผš
108-
โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
109-
โ”‚ city โ”‚ population โ”‚
110-
โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
111-
โ”‚ Toronto โ”‚ 2731571 โ”‚
112-
โ”‚ Montreal โ”‚ 1704694 โ”‚
113-
โ”‚ Vancouver โ”‚ 631486 โ”‚
114-
โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
115-
```
116-
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ไธ€ๅˆ‡ๅฐฑ็ปช๏ผๅฆ‚ๆžœๆ‚จๅœจ Databend ไธญๆ›ดๆ–ฐๆบ่กจ๏ผŒๆ‚จๅฏไปฅๅœจ Databend Cloud ไธญ็š„็›ฎๆ ‡่กจไธญ่ง‚ๅฏŸๅˆฐ็›ธๅŒ็š„ๆ›ดๆ”นใ€‚ไพ‹ๅฆ‚๏ผŒๅฆ‚ๆžœๆ‚จๅฐ†ๆบ่กจไธญ Toronto ็š„ไบบๅฃๆ›ดๆ”นไธบ 2,371,571๏ผš
118-
119-
```sql title='Databend:'
120-
UPDATE population
121-
SET population = 2371571
122-
WHERE city = 'Toronto';
123-
```
124-
125-
ๆ‚จๅฏไปฅ็œ‹ๅˆฐๆ›ดๆ–ฐๅทฒๅŒๆญฅๅˆฐ Databend Cloud ไธญ็š„้™„ๅŠ ่กจ๏ผš
126-
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```sql title='Databend Cloud:'
128-
SELECT * FROM population_readonly;
129-
130-
-- ้ข„ๆœŸ็ป“ๆžœ๏ผš
131-
โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
132-
โ”‚ city โ”‚ population โ”‚
133-
โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
134-
โ”‚ Toronto โ”‚ 2371571 โ”‚
135-
โ”‚ Montreal โ”‚ 1704694 โ”‚
136-
โ”‚ Vancouver โ”‚ 631486 โ”‚
137-
โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
13882
```
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1+
---
2+
title: ไฝฟ็”จ ATTACH TABLE ้“พๆŽฅ่กจ
3+
---
4+
5+
ๅœจๆœฌๆ•™็จ‹ไธญ๏ผŒๆˆ‘ไปฌๅฐ†ๆŒ‡ๅฏผๆ‚จๅฆ‚ไฝ•ไฝฟ็”จ [ATTACH TABLE](/sql/sql-commands/ddl/table/attach-table) ๅ‘ฝไปคๅฐ† Databend Cloud ไธญ็š„่กจไธŽๅญ˜ๅ‚จๅœจ S3 ๆกถไธญ็š„็Žฐๆœ‰ Databend ่กจ้“พๆŽฅ่ตทๆฅใ€‚
6+
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## ๅผ€ๅง‹ไน‹ๅ‰
8+
9+
ๅœจๅผ€ๅง‹ไน‹ๅ‰๏ผŒ่ฏท็กฎไฟๆ‚จๅทฒๅ…ทๅค‡ไปฅไธ‹ๅ…ˆๅ†ณๆกไปถ๏ผš
10+
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- ๆœฌๅœฐๆœบๅ™จไธŠๅทฒๅฎ‰่ฃ… [Docker](https://www.docker.com/)๏ผŒๅ› ไธบๅฎƒๅฐ†็”จไบŽๅฏๅŠจ็งๆœ‰ๅŒ–้ƒจ็ฝฒ็š„ Databendใ€‚
12+
- ไธ€ไธช AWS S3 ๆกถ๏ผŒ็”จไฝœ็งๆœ‰ๅŒ–้ƒจ็ฝฒ Databend ็š„ๅญ˜ๅ‚จใ€‚[ไบ†่งฃๅฆ‚ไฝ•ๅˆ›ๅปบ S3 ๆกถ](https://docs.aws.amazon.com/AmazonS3/latest/userguide/create-bucket-overview.html)ใ€‚
13+
- ๅ…ทๆœ‰่ถณๅคŸๆƒ้™่ฎฟ้—ฎ S3 ๆกถ็š„ AWS Access Key ID ๅ’Œ Secret Access Keyใ€‚[็ฎก็†ๆ‚จ็š„ AWS ๅ‡ญ่ฏ](https://docs.aws.amazon.com/general/latest/gr/aws-sec-cred-types.html#access-keys-and-secret-access-keys)ใ€‚
14+
- ๆœฌๅœฐๆœบๅ™จไธŠๅทฒๅฎ‰่ฃ… BendSQLใ€‚ๆœ‰ๅ…ณๅฆ‚ไฝ•ไฝฟ็”จๅ„็งๅŒ…็ฎก็†ๅ™จๅฎ‰่ฃ… BendSQL ็š„่ฏดๆ˜Ž๏ผŒ่ฏทๅ‚้˜… [ๅฎ‰่ฃ… BendSQL](/guides/sql-clients/bendsql/#installing-bendsql)ใ€‚
15+
16+
## ๆญฅ้ชค 1๏ผšๅœจ Docker ไธญๅฏๅŠจ Databend
17+
18+
1. ๅœจๆœฌๅœฐๆœบๅ™จไธŠๅฏๅŠจไธ€ไธช Databend ๅฎนๅ™จใ€‚ไปฅไธ‹ๅ‘ฝไปคไฝฟ็”จ S3 ไฝœไธบๅญ˜ๅ‚จๅŽ็ซฏ๏ผŒไฝฟ็”จ `databend-doc` ๆกถไปฅๅŠๆŒ‡ๅฎš็š„ S3 ็ซฏ็‚นๅ’Œ่ฎค่ฏๅ‡ญ่ฏๅฏๅŠจ Databend ๅฎนๅ™จใ€‚
19+
20+
```bash
21+
docker run \
22+
-p 8000:8000 \
23+
-e QUERY_STORAGE_TYPE=s3 \
24+
-e AWS_S3_ENDPOINT="https://s3.us-east-2.amazonaws.com" \
25+
-e AWS_S3_BUCKET=databend-doc\
26+
-e AWS_ACCESS_KEY_ID=<your-aws-access-key-id> \
27+
-e AWS_SECRET_ACCESS_KEY=<your-aws-secrect-access-key> \
28+
datafuselabs/databend:v1.2.699-nightly
29+
```
30+
31+
2. ๅˆ›ๅปบไธ€ไธชๅไธบ `population` ็š„่กจๆฅๅญ˜ๅ‚จๅŸŽๅธ‚ใ€็œไปฝๅ’Œไบบๅฃๆ•ฐๆฎ๏ผŒๅนถๆ’ๅ…ฅ็คบไพ‹่ฎฐๅฝ•ๅฆ‚ไธ‹๏ผš
32+
33+
```sql
34+
CREATE TABLE population (
35+
city VARCHAR(50),
36+
province VARCHAR(50),
37+
population INT
38+
);
39+
40+
INSERT INTO population (city, province, population) VALUES
41+
('Toronto', 'Ontario', 2731571),
42+
('Montreal', 'Quebec', 1704694),
43+
('Vancouver', 'British Columbia', 631486);
44+
```
45+
46+
3. ่ฟ่กŒไปฅไธ‹่ฏญๅฅไปฅๆฃ€็ดข่กจๅœจ S3 ไธญ็š„ไฝ็ฝฎใ€‚ๅฆ‚ไธ‹ๆ‰€็คบ็š„็ป“ๆžœไธญ๏ผŒๆœฌๆ•™็จ‹ไธญ่กจ็š„ S3 URI ไธบ `s3://databend-doc/1/16/`ใ€‚
47+
48+
```sql
49+
SELECT snapshot_location FROM FUSE_SNAPSHOT('default', 'population');
50+
51+
โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
52+
โ”‚ snapshot_location โ”‚
53+
โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
54+
โ”‚ 1/16/_ss/513c5100aa0243fe863b4cc2df0e3046_v4.mpk โ”‚
55+
โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
56+
```
57+
58+
## ๆญฅ้ชค 2๏ผšๅœจ Databend Cloud ไธญ่ฎพ็ฝฎ้™„ๅŠ ่กจ
59+
60+
1. ไฝฟ็”จ BendSQL ่ฟžๆŽฅๅˆฐ Databend Cloudใ€‚ๅฆ‚ๆžœๆ‚จไธ็†Ÿๆ‚‰ BendSQL๏ผŒ่ฏทๅ‚่€ƒๆœฌๆ•™็จ‹๏ผš[ไฝฟ็”จ BendSQL ่ฟžๆŽฅๅˆฐ Databend Cloud](../connect/connect-to-databendcloud-bendsql.md)ใ€‚
61+
62+
2. ๆ‰ง่กŒไปฅไธ‹่ฏญๅฅไปฅๅˆ›ๅปบไธคไธช้™„ๅŠ ่กจ๏ผš
63+
- ็ฌฌไธ€ไธช่กจ `population_all_columns` ๅŒ…ๅซๆบๆ•ฐๆฎไธญ็š„ๆ‰€ๆœ‰ๅˆ—ใ€‚
64+
- ็ฌฌไบŒไธช่กจ `population_only` ไป…ๅŒ…ๅซ้€‰ๅฎš็š„ๅˆ—๏ผˆ`city` ๅ’Œ `population`๏ผ‰ใ€‚
65+
66+
```sql
67+
-- ๅˆ›ๅปบไธ€ไธชๅŒ…ๅซๆบๆ•ฐๆฎไธญๆ‰€ๆœ‰ๅˆ—็š„้™„ๅŠ ่กจ
68+
ATTACH TABLE population_all_columns 's3://databend-doc/1/16/' CONNECTION = (
69+
REGION='us-east-2',
70+
AWS_KEY_ID = '<your_aws_key_id>',
71+
AWS_SECRET_KEY = '<your_aws_secret_key>'
72+
);
73+
74+
-- ๅˆ›ๅปบไธ€ไธชไป…ๅŒ…ๅซ้€‰ๅฎšๅˆ—๏ผˆcity ๅ’Œ population๏ผ‰็š„้™„ๅŠ ่กจ
75+
ATTACH TABLE population_only (city, population) 's3://databend-doc/1/16/' CONNECTION = (
76+
REGION='us-east-2',
77+
AWS_KEY_ID = '<your_aws_key_id>',
78+
AWS_SECRET_KEY = '<your_aws_secret_key>'
79+
);
80+
```
81+
82+
## ๆญฅ้ชค 3๏ผš้ชŒ่ฏ้™„ๅŠ ่กจ
83+
84+
1. ๆŸฅ่ฏขไธคไธช้™„ๅŠ ่กจไปฅ้ชŒ่ฏๅ…ถๅ†…ๅฎน๏ผš
85+
86+
```sql
87+
SELECT * FROM population_all_columns;
88+
89+
โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
90+
โ”‚ city โ”‚ province โ”‚ population โ”‚
91+
โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
92+
โ”‚ Toronto โ”‚ Ontario โ”‚ 2731571 โ”‚
93+
โ”‚ Montreal โ”‚ Quebec โ”‚ 1704694 โ”‚
94+
โ”‚ Vancouver โ”‚ British Columbia โ”‚ 631486 โ”‚
95+
โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
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SELECT * FROM population_only;
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โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
100+
โ”‚ city โ”‚ population โ”‚
101+
โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
102+
โ”‚ Toronto โ”‚ 2731571 โ”‚
103+
โ”‚ Montreal โ”‚ 1704694 โ”‚
104+
โ”‚ Vancouver โ”‚ 631486 โ”‚
105+
โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
106+
```
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2. ๅฆ‚ๆžœๆ‚จๅœจ Databend ไธญๆ›ดๆ–ฐๆบ่กจ๏ผŒๆ‚จๅฏไปฅๅœจ Databend Cloud ็š„้™„ๅŠ ่กจไธญ่ง‚ๅฏŸๅˆฐ็›ธๅŒ็š„ๅ˜ๅŒ–ใ€‚ไพ‹ๅฆ‚๏ผŒๅฆ‚ๆžœๆ‚จๅฐ†ๆบ่กจไธญ Toronto ็š„ไบบๅฃๆ›ดๆ”นไธบ 2,371,571๏ผš
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```sql
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UPDATE population
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SET population = 2371571
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WHERE city = 'Toronto';
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```
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ๆ‰ง่กŒๆ›ดๆ–ฐๅŽ๏ผŒๆ‚จๅฏไปฅๆŸฅ่ฏขไธคไธช้™„ๅŠ ่กจไปฅ้ชŒ่ฏๆ›ดๆ”นๆ˜ฏๅฆๅๆ˜ ๏ผš
117+
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```sql
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-- ๆฃ€ๆŸฅๅŒ…ๅซๆ‰€ๆœ‰ๅˆ—็š„้™„ๅŠ ่กจไธญ็š„ๆ›ดๆ–ฐๅŽไบบๅฃ
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SELECT population FROM population_all_columns WHERE city = 'Toronto';
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-- ๆฃ€ๆŸฅไป…ๅŒ…ๅซไบบๅฃๅˆ—็š„้™„ๅŠ ่กจไธญ็š„ๆ›ดๆ–ฐๅŽไบบๅฃ
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SELECT population FROM population_only WHERE city = 'Toronto';
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```
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ไธŠ่ฟฐๆŸฅ่ฏข็š„้ข„ๆœŸ่พ“ๅ‡บ๏ผš
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```sql
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โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
130+
โ”‚ population โ”‚
131+
โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
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โ”‚ 2371571 โ”‚
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โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
134+
```
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3. ๅฆ‚ๆžœๆ‚จไปŽๆบ่กจไธญๅˆ ้™ค `province` ๅˆ—๏ผŒๅฎƒๅฐ†ไธๅ†ๅœจ้™„ๅŠ ่กจไธญๅฏ็”จใ€‚
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```sql
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ALTER TABLE population DROP province;
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```
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ๅˆ ้™คๅˆ—ๅŽ๏ผŒไปปไฝ•ๅผ•็”จๅฎƒ็š„ๆŸฅ่ฏข้ƒฝๅฐ†ๅฏผ่‡ด้”™่ฏฏใ€‚็„ถ่€Œ๏ผŒๅ‰ฉไฝ™็š„ๅˆ—ไป็„ถๅฏไปฅๆˆๅŠŸๆŸฅ่ฏขใ€‚
143+
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ไพ‹ๅฆ‚๏ผŒๅฐ่ฏ•ๆŸฅ่ฏขๅทฒๅˆ ้™ค็š„ `province` ๅˆ—ๅฐ†ๅคฑ่ดฅ๏ผš
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```sql
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SELECT province FROM population_all_columns;
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error: APIError: QueryFailed: [1065]error:
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--> SQL:1:8
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|
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1 | SELECT province FROM population_all_columns
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| ^^^^^^^^ column province doesn't exist
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```
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ไฝ†ๆ˜ฏ๏ผŒๆ‚จไป็„ถๅฏไปฅๆฃ€็ดข `city` ๅ’Œ `population` ๅˆ—๏ผš
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```sql
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SELECT city, population FROM population_all_columns;
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โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
161+
โ”‚ city โ”‚ population โ”‚
162+
โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
163+
โ”‚ Toronto โ”‚ 2371571 โ”‚
164+
โ”‚ Montreal โ”‚ 1704694 โ”‚
165+
โ”‚ Vancouver โ”‚ 631486 โ”‚
166+
โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
167+
```

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