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µî·ÏÀÏ: 2022-09-21 15:25
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µ¥ÀÌÅÍ ¼öÁý db ±¸ÃàÁß ±¸ÇöÁß¿¡ À߾ȵǼ­ Áú¹® µå¸³´Ï´Ù.. 


 


tableÀÌ ¾Æ·¡¿Í °°ÀÌ 2°³°¡ Àִµ¥, 


 


table 1   [idx / pk code / pcode / icode / datetime / data 1 / data 2 / .. data 5]


-- data1 [1, B10000, C0001, D0001, datetime, d0, d1, d2, d3, null] data 4°³


-- data2 [2, B10000, C0002, D0002, datetime, d4, d5, d6, null , null] data 3°³


-- data3 [3, B10000, C0003, D0003, datetime, d7, d8, null, null ,null] data 2°³ 


-- data4 [3, B10001, C0004, D0004, datetime, d7, d8, null, null, null] data 2°³


-- data5 [1, B10001, C0001, D0001, datetime, d0, d1, d2, d3, null] data 4°³ 


-- data6 [2, B10001, C0002, D0002, datetime, d4, d5, d6, null, null] data 3°³


-- data7 [3, B10001, C0003, D0003, datetime, d7, d8, null, null, null] data 2°³


-- data8 [3, B10001, C0004, D0004, datetime, d7, d8, null, null, null] data 1°³


 


table 2 [idx / fk code / .. .. .. ..] 


-- data1 [1, B10000 ...]


-- data2 [2, B10001 ...]


-- data3 [3, B10002 ...]


 


table 1ÀÇ µ¥ÀÌÅ͸¦ °¡°øÇÏ¿©, pk code·Î ¹­¾î¼­ 1°³ÀÇ µ¥ÀÌÅÍ·Î ¸¸µé°í ½Í½À´Ï´Ù.


pcode ¸¶´Ù µ¥ÀÌÅÍ ÀúÀåµÇ´Â °¹¼ö´Â ´Ù¸¨´Ï´Ù. (4°³ , 3°³ , 2°³ ¶ó°í °¡Á¤)


¿¹¸¦ µé¾î µ¥ÀÌÅͰ¡ ÇÕÃÄÁö¸é 


-- data [B10000, D0001, d0, d1, d2, d3, D0002, d4, d5, d6, C0003, d7, d8 , C0004, d7, d8] 


-- data [B10001, D0001, d0, d1, d2, d3, D0002, d4, d5, d6, C0003, d7, d8 , C0004, d7, d8] 


 


ÀÌ·±½ÄÀ¸·Î ¸¸µé°í ½ÍÀºµ¥ ¹æ¹ýÀÌ ¾øÀ»±î¿ä?


 


¾Æ´Ï¸é ´Ù¸¥ ¹æ½ÄÀ¸·Ð


1) À§¿Í °°ÀÌ µ¥ÀÌÅ͸¦ °¡°øÇÏ¿© °Ë»ö°ü¸®


2) Àüü data°¡ µé¾î°¥ Å×À̺íÀ» 1°³¸¦ Ãß°¡·Î ¸¸µé¾î¼­ µ¥ÀÌÅÍ »ðÀԽà ¸¶´Ù updateÇÏ¿© Ãß°¡ÇÏ¸ç °Ë»ö°ü¸®


 -> ÀÌ·¸°Ô µÇ¸é Ä÷³¼ö¸¸ 200°³ ÀÌ»óÀ̵Ǽ­ °í¹ÎÁßÀÔ´Ï´Ù. 


 


 


 


 

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