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AI Translate 02-conversion-functions to Simplified-Chinese (#2458)
* [INIT] Start translation to Simplified-Chinese * ๐ŸŒ Translate to-decimal.md to Simplified-Chinese --------- Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
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โ€Ž.translation-init

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---
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title: TO_DECIMAL
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---
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ๅฐ†ไธ€ไธชๅ€ผ่ฝฌๆขไธบ DECIMAL ๆ•ฐๆฎ็ฑปๅž‹ใ€‚
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## ่ฏญๆณ•
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```sql
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TO_DECIMAL
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( <expr> [, '<format>' ] [, <precision> [, <scale> ] ] )
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```
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## ๅ‚ๆ•ฐ
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| ๅ‚ๆ•ฐ | ่ฏดๆ˜Ž |
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|-----------|--------------------------------------------------------------------------------------------------------------------------------------|
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| expr | ๅธƒๅฐ”ใ€ๆ•ฐๅญ—ใ€ๅญ—็ฌฆไธฒๆˆ–ๅ˜ไฝ“็ฑปๅž‹็š„่กจ่พพๅผใ€‚ |
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| format | ๅฏ้€‰ใ€‚ๆ ผๅผๅŒ–ๅญ—็ฌฆไธฒ๏ผŒ็”จไบŽๆŒ‡ๅฎšๅ่ฟ›ๅˆถ็ป“ๆžœๆ‰€้œ€็š„็ฒพๅบฆๅ’Œๅฐๆ•ฐไฝๆ•ฐ๏ผŒๅฏๅฎšไน‰ๆ€ปไฝๆ•ฐๅ’Œๅฐๆ•ฐ็‚นๅŽ็š„ไฝๆ•ฐใ€‚ |
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| precision | ๅฏ้€‰ใ€‚็ป“ๆžœไธญๆœ‰ๆ•ˆๆ•ฐๅญ—็š„ๆ€ปไฝๆ•ฐ๏ผŒ้ป˜่ฎคไธบ 38ใ€‚ |
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| scale | ๅฏ้€‰ใ€‚ๅฐๆ•ฐ็‚นๅŽ็š„ไฝๆ•ฐ๏ผŒๅฟ…้กปไธ่ถ…่ฟ‡็ฒพๅบฆๅ€ผ๏ผŒ้ป˜่ฎคไธบ 0ใ€‚ |
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### ๆ ผๅผ่ฏดๆ˜Ž็ฌฆ (Format Specifiers)
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| ๆ ผๅผ่ฏดๆ˜Ž็ฌฆ | ่ฏดๆ˜Ž | ็คบไพ‹่พ“ๅ…ฅ |
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|------------------|----------------------------------------------------------------------|------------|
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| '9' | ๅฏ้€‰ๆ•ฐๅญ—๏ผˆๆŽฅๅ—ๆ•ฐๅญ—ๆˆ–ๆ— ๏ผŒไฝ†ๅœจๆญคๅฎž็Žฐไธญ่ฆๆฑ‚ๅฟ…้กปๆœ‰ไธ€ไธช๏ผ‰ | "123" |
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| '0' | ๅฟ…้œ€ๆ•ฐๅญ—๏ผˆๅœจๅฝ“ๅ‰ๅฎž็ŽฐไธญไธŽ 9 ็›ธๅŒ๏ผ‰ | "123" |
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| 'D' | ๅฐๆ•ฐ็‚น๏ผˆๆŽฅๅ— '.' ๆˆ– ','๏ผŒๅง‹็ปˆ่ง„่ŒƒๅŒ–ไธบ '.'๏ผ‰ | "12.34" |
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| 'G' | ๅˆ†็ป„๏ผˆๅƒไฝ๏ผ‰ๅˆ†้š”็ฌฆ๏ผˆๅœจ่พ“ๅ…ฅไธญ้œ€่ฆ ','๏ผ‰ | "1,234" |
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| 'S' | ็ฌฆๅท๏ผˆ'+' ๆˆ– '-'๏ผŒไฝœไธบๅ‰็ผ€ๅบ”็”จไบŽ็ป“ๆžœ๏ผ‰ | "-123" |
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| ๅญ—้ข้‡ๅญ—็ฌฆ | ไปปไฝ•ๅญ—้ข้‡ๅญ—็ฌฆๅฟ…้กปไธŽ่พ“ๅ…ฅๅฎŒๅ…จๅŒน้… | "NT$123" |
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## ็คบไพ‹
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```sql
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SELECT TO_DECIMAL('1234.56');
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โ•ญโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ•ฎ
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โ”‚ to_decimal('1234.56') 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”ค
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โ”‚ 1235 โ”‚
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โ•ฐโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ•ฏ
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SELECT TO_DECIMAL('1234.56', '9999D99');
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โ•ญโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ•ฎ
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โ”‚ to_decimal('1234.56', '9999D99') 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”ค
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โ”‚ 1235 โ”‚
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โ•ฐโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ•ฏ
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SELECT TO_DECIMAL('1234.56', 38, 1);
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โ•ญโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ•ฎ
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โ”‚ to_decimal('1234.56', 38, 1) 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”ค
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โ”‚ 1234.6 โ”‚
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โ•ฐโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ•ฏ
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SELECT TO_DECIMAL('NT$1234.56', 'NT$9999D99', 38, 1);
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โ•ญโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ•ฎ
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โ”‚ to_decimal('NT$1234.56', 'NT$9999D99', 38, 1) 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”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
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โ”‚ 1234.6 โ”‚
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โ•ฐโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ•ฏ
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```

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