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๐Ÿ’ปProgramming/โ˜•๏ธJava

CallableStatement

2022. 8. 23. 22:09

CallableStatement 

- PreparedStatement ํ•˜์œ„ ์ธํ„ฐํŽ˜์ด์Šค
- SQL ์ €์žฅ ํ”„๋กœ์‹œ์ €(stored procedure)๋ฅผ ์‹คํ–‰ํ•˜๋Š”๋ฐ ์‚ฌ์šฉ๋˜๋Š” ๊ฐ์ฒด
- ํ”„๋กœ์‹œ์ € ํ˜ธ์ถœ ๊ตฌ๋ฌธ์—๋Š” ๊ฒฐ๊ณผ ๋งค๊ฐœ๋ณ€์ˆ˜๋ฅผ ๊ฐ€์ง€๋Š” ํ˜•ํƒœ์™€ ๊ฒฐ๊ณผ ๋งค๊ฐœ๋ณ€์ˆ˜๊ฐ€ ์—†๋Š” ํ˜•ํƒœ

๋‘ ํ˜•ํƒœ ๋ชจ๋‘ IN ๋งค๊ฐœ๋ณ€์ˆ˜(์ž…๋ ฅ), OUT ๋งค๊ฐœ๋ณ€์ˆ˜(์ถœ๋ ฅ) , ๋˜๋Š” INOUT ๋งค๊ฐœ๋ณ€์ˆ˜(์ž…์ถœ๋ ฅ)๋ฅผ ์œ„ํ•ด ์‚ฌ์šฉ๋˜์–ด์ง€๋Š” ๋งค๊ฐœ๋ณ€์ˆ˜์˜ ๋ณ€์ˆ˜ ๋ฒˆํ˜ธ๋ฅผ ๊ฐ€์ง€๋ฉฐ ?๋Š” ๋งค๊ฐœ๋ณ€์ˆ˜์˜ ์ €์žฅ์œ„์น˜๋กœ ๋‚˜ํƒ€๋ƒ„

- CallableStatement ๊ฐ์ฒด๋Š” Connection์˜ prepareCall(String sql) ๋ฉ”์†Œ๋“œ๋ฅผ ํ˜ธ์ถœํ•˜์—ฌ ์–ป๋Š”๋‹ค

 

- ๊ฒฐ๊ณผ ๋งค๊ฐœ๋ณ€์ˆ˜๋ฅผ ๊ฐ€์ง€๋Š” ๊ฒฝ์šฐ(function)

{? = call procedure_name[(?, ?, ...)]}
๊ฒฐ๊ณผ ๋งค๊ฐœ๋ณ€์ˆ˜๋Š” OUT ๋งค๊ฐœ๋ณ€์ˆ˜(๊ฐ€์žฅ ์•ž์˜ ?)๋กœ ๋“ฑ๋กํ•ด์•ผ ํ•œ๋‹ค.

 

- ๊ฒฐ๊ณผ ๋งค๊ฐœ๋ณ€์ˆ˜๊ฐ€ ์—†๋Š” ๊ฒฝ์šฐ(procedure)

{call procedure_name[(?, ?, ...)]}

- ์‚ฌ์šฉ ๋นˆ๋„

PreparedStatement >>>>>>>> CallableStatement >>Statement 

 

 

'๐Ÿ’ปProgramming > โ˜•๏ธJava' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

Transaction(ํŠธ๋žœ์žญ์…˜)  (0) 2022.08.24
CallableStatement ํ™œ์šฉ(1) - ์˜ค๋ผํด ํ”„๋กœ์‹œ์ €  (0) 2022.08.23
PreparedStatement ํ™œ์šฉ  (0) 2022.08.22
PreparedStatement  (0) 2022.08.22
Statement  (0) 2022.08.19
    '๐Ÿ’ปProgramming/โ˜•๏ธJava' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
    • Transaction(ํŠธ๋žœ์žญ์…˜)
    • CallableStatement ํ™œ์šฉ(1) - ์˜ค๋ผํด ํ”„๋กœ์‹œ์ €
    • PreparedStatement ํ™œ์šฉ
    • PreparedStatement
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