[MySQL] ํ…Œ์ด๋ธ”

2021. 10. 18. 18:39ยท๐Ÿ“DB/๐Ÿฌ MySQL
๋ฐ˜์‘ํ˜•

ํ…Œ์ด๋ธ” ์ƒ์„ฑ

CREATE TABLE ์ด๋ฆ„ (
   ์ด๋ฆ„1 ํƒ€์ž… NULL์—ฌ๋ถ€ ํŠน์ง•
   ์ด๋ฆ„2 ํƒ€์ž… NULL์—ฌ๋ถ€ ํŠน์ง•
);

 

 

NOT NULL : ๋น„์–ด์žˆ์œผ๋ฉด ์•ˆ๋œ๋‹ค.

NULL : ๋น„์–ด์žˆ์„์ˆ˜๋„ ์žˆ๋‹ค.

 

AUTO_INCREMENT : 1๋ถ€ํ„ฐ 1์”ฉ ์ฆ๊ฐ€ํ•œ ๊ฐ’์„ ์ž๋™์œผ๋กœ ์ €์žฅํ•œ๋‹ค.

 

 


 

ํ…Œ์ด๋ธ” ๋ณด๊ธฐ

SHOW TABLES;

 

 

ํ…Œ์ด๋ธ” ์ž์„ธํžˆ ๋ณด๊ธฐ

desc ํ…Œ์ด๋ธ”์ด๋ฆ„;

 


 

ํ…Œ์ด๋ธ” ์‚ญ์ œ

DROP TABLE ํ…Œ์ด๋ธ”์ด๋ฆ„;

๋ฐ˜์‘ํ˜•
์ €์ž‘์žํ‘œ์‹œ (์ƒˆ์ฐฝ์—ด๋ฆผ)

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[MySQL] ํ…Œ์ด๋ธ”

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