{"id":51616,"date":"2024-08-15T02:30:49","date_gmt":"2024-08-14T17:30:49","guid":{"rendered":"https:\/\/m9js.shop\/blog\/development\/data-consistency-problems-in-mysql-and-how-to-prevent-them"},"modified":"2024-08-15T02:30:49","modified_gmt":"2024-08-14T17:30:49","slug":"data-consistency-problems-in-mysql-and-how-to-prevent-them","status":"publish","type":"post","link":"https:\/\/m9js.shop\/blog\/development\/data-consistency-problems-in-mysql-and-how-to-prevent-them","title":{"rendered":"MySQL\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\uc640 \uc608\ubc29 \ubc29\ubc95"},"content":{"rendered":"<ul class=\"toc_post_list\">\n<li>\n<h2>\ubaa9\ucc28<\/h2>\n<ul>\n<li><a href=\"#mysql%ec%97%90%ec%84%9c%ec%9d%98-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ec%9d%bc%ea%b4%80%ec%84%b1-%eb%ac%b8%ec%a0%9c%ec%99%80-%ec%98%88%eb%b0%a9-%eb%b0%a9%eb%b2%95-AHpHndbVGV\">MySQL\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\uc640 \uc608\ubc29 \ubc29\ubc95<\/a><\/li>\n<li><a href=\"#1-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ec%9d%bc%ea%b4%80%ec%84%b1%ec%9d%b4%eb%9e%80-AHpHndbVGV\">1. \ub370\uc774\ud130 \uc77c\uad00\uc131\uc774\ub780?<\/a><\/li>\n<li><a href=\"#2-mysql%ec%97%90%ec%84%9c%ec%9d%98-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ec%9d%bc%ea%b4%80%ec%84%b1-%eb%ac%b8%ec%a0%9c%ec%9d%98-%ec%9b%90%ec%9d%b8-AHpHndbVGV\">2. MySQL\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\uc758 \uc6d0\uc778<\/a><\/li>\n<li><a href=\"#3-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ec%9d%bc%ea%b4%80%ec%84%b1-%eb%ac%b8%ec%a0%9c%ec%9d%98-%ec%82%ac%eb%a1%80-%ec%97%b0%ea%b5%ac-AHpHndbVGV\">3. \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\uc758 \uc0ac\ub840 \uc5f0\uad6c<\/a><\/li>\n<li><a href=\"#4-mysql%ec%97%90%ec%84%9c-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ec%9d%bc%ea%b4%80%ec%84%b1%ec%9d%84-%ec%9c%a0%ec%a7%80%ed%95%98%ea%b8%b0-%ec%9c%84%ed%95%9c-%eb%b0%a9%eb%b2%95-AHpHndbVGV\">4. MySQL\uc5d0\uc11c \ub370\uc774\ud130 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud55c \ubc29\ubc95<\/a><\/li>\n<li><a href=\"#5-%ed%8a%b8%eb%9e%9c%ec%9e%ad%ec%85%98-%ea%b4%80%eb%a6%ac%ec%99%80-acid-%ec%86%8d%ec%84%b1-AHpHndbVGV\">5. \ud2b8\ub79c\uc7ad\uc158 \uad00\ub9ac\uc640 ACID \uc18d\uc131<\/a><\/li>\n<li><a href=\"#6-%eb%8f%99%ec%8b%9c%ec%84%b1-%ec%a0%9c%ec%96%b4-%ea%b8%b0%eb%b2%95-AHpHndbVGV\">6. \ub3d9\uc2dc\uc131 \uc81c\uc5b4 \uae30\ubc95<\/a><\/li>\n<li><a href=\"#7-%eb%8d%b0%ec%9d%b4%ed%84%b0-%eb%ac%b4%ea%b2%b0%ec%84%b1%ec%9d%84-%ec%9c%84%ed%95%9c-%eb%aa%a8%eb%b2%94-%ec%82%ac%eb%a1%80-AHpHndbVGV\">7. \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \uc704\ud55c \ubaa8\ubc94 \uc0ac\ub840<\/a><\/li>\n<li><a href=\"#8-%ea%b2%b0%eb%a1%a0-%eb%b0%8f-%ed%96%a5%ed%9b%84-%ec%a0%84%eb%a7%9d-AHpHndbVGV\">8. \uacb0\ub860 \ubc0f \ud5a5\ud6c4 \uc804\ub9dd<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h1 id=\"mysql%ec%97%90%ec%84%9c%ec%9d%98-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ec%9d%bc%ea%b4%80%ec%84%b1-%eb%ac%b8%ec%a0%9c%ec%99%80-%ec%98%88%eb%b0%a9-%eb%b0%a9%eb%b2%95-AHpHndbVGV\">MySQL\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\uc640 \uc608\ubc29 \ubc29\ubc95<\/h1>\n<p>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad00\ub9ac \uc2dc\uc2a4\ud15c(DBMS)\uc5d0\uc11c \ub370\uc774\ud130 \uc77c\uad00\uc131\uc740 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc694\uc18c\uc785\ub2c8\ub2e4. \ud2b9\ud788 MySQL\uacfc \uac19\uc740 \uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c\ub294 \ub370\uc774\ud130\uc758 \uc815\ud655\uc131\uacfc \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\ub294 \uc5ec\ub7ec \uac00\uc9c0 \uc6d0\uc778\uc73c\ub85c \ubc1c\uc0dd\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \uc608\ubc29\ud558\uae30 \uc704\ud55c \ub2e4\uc591\ud55c \ubc29\ubc95\uc774 \uc874\uc7ac\ud569\ub2c8\ub2e4. \ubcf8 \uae00\uc5d0\uc11c\ub294 MySQL\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\ub97c \uc2ec\uce35\uc801\uc73c\ub85c \ubd84\uc11d\ud558\uace0, \uc774\ub97c \uc608\ubc29\ud558\uae30 \uc704\ud55c \ubc29\ubc95\uc744 \uc81c\uc2dc\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 id=\"1-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ec%9d%bc%ea%b4%80%ec%84%b1%ec%9d%b4%eb%9e%80-AHpHndbVGV\">1. \ub370\uc774\ud130 \uc77c\uad00\uc131\uc774\ub780?<\/h2>\n<p>\ub370\uc774\ud130 \uc77c\uad00\uc131\uc740 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \uc0c1\ud0dc\uac00 \ud56d\uc0c1 \uc720\ud6a8\ud558\uace0 \uc815\ud655\ud55c\uc9c0\ub97c \ub098\ud0c0\ub0b4\ub294 \uac1c\ub150\uc785\ub2c8\ub2e4. \uc774\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ubaa8\ub4e0 \ud2b8\ub79c\uc7ad\uc158\uc774 \uc131\uacf5\uc801\uc73c\ub85c \uc644\ub8cc\ub418\uc5c8\uc744 \ub54c, \ub370\uc774\ud130\uac00 \uc77c\uad00\ub41c \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud574\uc57c \ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \ub370\uc774\ud130 \uc77c\uad00\uc131\uc740 ACID \uc18d\uc131 \uc911 \ud558\ub098\ub85c, \ud2b8\ub79c\uc7ad\uc158\uc774 \uc6d0\uc790\uc131, \uc77c\uad00\uc131, \uace0\ub9bd\uc131, \uc9c0\uc18d\uc131\uc744 \uc720\uc9c0\ud574\uc57c \ud568\uc744 \uac15\uc870\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc77c\uad00\uc131\uc758 \uac1c\ub150\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ub450 \uac00\uc9c0 \uce21\uba74\uc5d0\uc11c \uc124\uba85\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\ub17c\ub9ac\uc801 \uc77c\uad00\uc131:<\/strong> \ub370\uc774\ud130\uac00 \ube44\uc988\ub2c8\uc2a4 \uaddc\uce59\uc774\ub098 \uc81c\uc57d \uc870\uac74\uc744 \uc900\uc218\ud558\ub294\uc9c0 \uc5ec\ubd80\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n<li><strong>\ubb3c\ub9ac\uc801 \uc77c\uad00\uc131:<\/strong> \ub370\uc774\ud130\uac00 \uc800\uc7a5\ub41c \ud615\uc2dd\uc774\ub098 \uad6c\uc870\uac00 \uc62c\ubc14\ub978\uc9c0\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc608\ub97c \ub4e4\uc5b4, \uc740\ud589 \uacc4\uc88c \uac04\uc758 \uc774\uccb4 \ud2b8\ub79c\uc7ad\uc158\uc744 \uc0dd\uac01\ud574\ubcf4\uba74, \ucd9c\uae08 \uacc4\uc88c\uc5d0\uc11c \uae08\uc561\uc774 \ucc28\uac10\ub418\uace0 \uc785\uae08 \uacc4\uc88c\uc5d0 \ub3d9\uc77c\ud55c \uae08\uc561\uc774 \ucd94\uac00\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ub9cc\uc57d \ucd9c\uae08\uc740 \uc131\uacf5\ud588\uc9c0\ub9cc \uc785\uae08\uc774 \uc2e4\ud328\ud55c\ub2e4\uba74, \ub370\uc774\ud130\ub294 \uc77c\uad00\uc131\uc744 \uc783\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<h2 id=\"2-mysql%ec%97%90%ec%84%9c%ec%9d%98-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ec%9d%bc%ea%b4%80%ec%84%b1-%eb%ac%b8%ec%a0%9c%ec%9d%98-%ec%9b%90%ec%9d%b8-AHpHndbVGV\">2. MySQL\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\uc758 \uc6d0\uc778<\/h2>\n<p>MySQL\uc5d0\uc11c \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\ub294 \uc6d0\uc778\uc740 \ub2e4\uc591\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc8fc\uc694 \uc6d0\uc778\ub4e4\uc785\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\ub3d9\uc2dc\uc131 \ubb38\uc81c:<\/strong> \uc5ec\ub7ec \uc0ac\uc6a9\uc790\uac00 \ub3d9\uc2dc\uc5d0 \ub370\uc774\ud130\uc5d0 \uc811\uadfc\ud560 \ub54c \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c\ub85c, \ud2b8\ub79c\uc7ad\uc158 \uac04\uc758 \ucda9\ub3cc\ub85c \uc778\ud574 \ub370\uc774\ud130\uac00 \uc77c\uad00\uc131\uc744 \uc783\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ud558\ub4dc\uc6e8\uc5b4 \uc624\ub958:<\/strong> \uc11c\ubc84\uc758 \ud558\ub4dc\uc6e8\uc5b4 \uace0\uc7a5\uc774\ub098 \uc804\uc6d0 \uc7a5\uc560 \ub4f1\uc73c\ub85c \uc778\ud574 \ub370\uc774\ud130\uac00 \uc190\uc2e4\ub418\uac70\ub098 \uc190\uc0c1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc18c\ud504\ud2b8\uc6e8\uc5b4 \ubc84\uadf8:<\/strong> MySQL\uc758 \ubc84\uadf8\ub098 \uc798\ubabb\ub41c \ucffc\ub9ac\ub85c \uc778\ud574 \ub370\uc774\ud130\uac00 \uc798\ubabb \ucc98\ub9ac\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc778\uac04\uc758 \uc2e4\uc218:<\/strong> \uc798\ubabb\ub41c \ucffc\ub9ac \uc2e4\ud589\uc774\ub098 \ub370\uc774\ud130 \uc785\ub825 \uc624\ub958 \ub4f1\uc73c\ub85c \uc778\ud574 \ub370\uc774\ud130\uac00 \uc77c\uad00\uc131\uc744 \uc783\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc774\ub7ec\ud55c \uc6d0\uc778\ub4e4\uc740 \uc885\uc885 \ubcf5\ud569\uc801\uc73c\ub85c \uc791\uc6a9\ud558\uc5ec \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\ub97c \ub354\uc6b1 \uc2ec\uac01\ud558\uac8c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774\ub97c \uc608\ubc29\ud558\uae30 \uc704\ud55c \uccb4\uacc4\uc801\uc778 \uc811\uadfc\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h2 id=\"3-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ec%9d%bc%ea%b4%80%ec%84%b1-%eb%ac%b8%ec%a0%9c%ec%9d%98-%ec%82%ac%eb%a1%80-%ec%97%b0%ea%b5%ac-AHpHndbVGV\">3. \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\uc758 \uc0ac\ub840 \uc5f0\uad6c<\/h2>\n<p>\ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\ub294 \uc2e4\uc81c\ub85c \ub9ce\uc740 \uae30\uc5c5\uc5d0\uc11c \ubc1c\uc0dd\ud558\uace0 \uc788\uc73c\uba70, \uadf8\ub85c \uc778\ud574 \uc2ec\uac01\ud55c \ud53c\ud574\ub97c \uc785\uae30\ub3c4 \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud55c \ub300\ud615 \uc740\ud589\uc5d0\uc11c\ub294 \uace0\uac1d\uc758 \uacc4\uc88c \uc774\uccb4 \uacfc\uc815\uc5d0\uc11c \ub3d9\uc2dc\uc131 \ubb38\uc81c\ub85c \uc778\ud574 \ub450 \ubc88\uc758 \uc774\uccb4\uac00 \ubc1c\uc0dd\ud558\ub294 \uc0ac\uac74\uc774 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uace0\uac1d\uc758 \uacc4\uc88c\uc5d0\uc11c \ub450 \ubc88\uc758 \uae08\uc561\uc774 \ucc28\uac10\ub418\uc5c8\uace0, \uc740\ud589\uc740 \uace0\uac1d\uc5d0\uac8c \ud070 \ubd88\ub9cc\uc744 \ucd08\ub798\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub610 \ub2e4\ub978 \uc0ac\ub840\ub85c\ub294, \ud55c \uc628\ub77c\uc778 \uc1fc\ud551\ubab0\uc5d0\uc11c \uc7ac\uace0 \uad00\ub9ac \uc2dc\uc2a4\ud15c\uc758 \ubc84\uadf8\ub85c \uc778\ud574 \uace0\uac1d\uc774 \uc8fc\ubb38\ud55c \uc0c1\ud488\uc774 \uc2e4\uc81c\ub85c\ub294 \uc7ac\uace0\uac00 \uc5c6\ub294 \uc0c1\ud0dc\uc5d0\uc11c \ud310\ub9e4\ub418\ub294 \uc0ac\uac74\uc774 \ubc1c\uc0dd\ud588\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uace0\uac1d\uc740 \uc8fc\ubb38\ud55c \uc0c1\ud488\uc744 \ubc1b\uc9c0 \ubabb\ud588\uace0, \uc1fc\ud551\ubab0\uc740 \uc2e0\ub8b0\ub3c4\ub97c \uc783\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \uc0ac\ub840\ub4e4\uc740 \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\uac00 \ub2e8\uc21c\ud55c \uae30\uc220\uc801 \ubb38\uc81c\ub97c \ub118\uc5b4 \ube44\uc988\ub2c8\uc2a4\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \uc798 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ub530\ub77c\uc11c \uae30\uc5c5\uc740 \uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \uc608\ubc29\ud558\uae30 \uc704\ud574 \uc801\uadf9\uc801\uc778 \ub178\ub825\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h2 id=\"4-mysql%ec%97%90%ec%84%9c-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ec%9d%bc%ea%b4%80%ec%84%b1%ec%9d%84-%ec%9c%a0%ec%a7%80%ed%95%98%ea%b8%b0-%ec%9c%84%ed%95%9c-%eb%b0%a9%eb%b2%95-AHpHndbVGV\">4. MySQL\uc5d0\uc11c \ub370\uc774\ud130 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud55c \ubc29\ubc95<\/h2>\n<p>MySQL\uc5d0\uc11c \ub370\uc774\ud130 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ubc29\ubc95\ub4e4\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\ud2b8\ub79c\uc7ad\uc158 \uc0ac\uc6a9:<\/strong> MySQL\uc5d0\uc11c\ub294 \ud2b8\ub79c\uc7ad\uc158\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc5ec\ub7ec \ucffc\ub9ac\ub97c \ud558\ub098\uc758 \ub2e8\uc704\ub85c \ubb36\uc5b4 \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ubaa8\ub4e0 \ucffc\ub9ac\uac00 \uc131\uacf5\uc801\uc73c\ub85c \uc2e4\ud589\ub418\uac70\ub098, \uc2e4\ud328 \uc2dc \ubaa8\ub4e0 \ubcc0\uacbd \uc0ac\ud56d\uc774 \ub864\ubc31\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uc7a0\uae08 \uba54\ucee4\ub2c8\uc998:<\/strong> MySQL\uc740 \ub2e4\uc591\ud55c \uc7a0\uae08 \uba54\ucee4\ub2c8\uc998\uc744 \uc81c\uacf5\ud558\uc5ec \ub3d9\uc2dc\uc131 \ubb38\uc81c\ub97c \ud574\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud589 \uc218\uc900 \uc7a0\uae08\uc744 \uc0ac\uc6a9\ud558\uba74 \ud2b9\uc815 \ud589\uc5d0 \ub300\ud55c \uc811\uadfc\uc744 \uc81c\uc5b4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc815\uaddc\ud654:<\/strong> \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc124\uacc4 \uc2dc \uc815\uaddc\ud654\ub97c \ud1b5\ud574 \uc911\ubcf5 \ub370\uc774\ud130\ub97c \ucd5c\uc18c\ud654\ud558\uace0, \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc81c\uc57d \uc870\uac74 \uc124\uc815:<\/strong> \uc678\ub798 \ud0a4 \uc81c\uc57d \uc870\uac74\uc774\ub098 \uace0\uc720 \uc81c\uc57d \uc870\uac74 \ub4f1\uc744 \uc124\uc815\ud558\uc5ec \ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc774\ub7ec\ud55c \ubc29\ubc95\ub4e4\uc740 \uac01\uac01\uc758 \uc0c1\ud669\uc5d0 \ub9de\uac8c \uc801\uc808\ud788 \uc870\ud569\ud558\uc5ec \uc0ac\uc6a9\ud560 \uc218 \uc788\uc73c\uba70, \ub370\uc774\ud130 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \ud070 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<h2 id=\"5-%ed%8a%b8%eb%9e%9c%ec%9e%ad%ec%85%98-%ea%b4%80%eb%a6%ac%ec%99%80-acid-%ec%86%8d%ec%84%b1-AHpHndbVGV\">5. \ud2b8\ub79c\uc7ad\uc158 \uad00\ub9ac\uc640 ACID \uc18d\uc131<\/h2>\n<p>\ud2b8\ub79c\uc7ad\uc158\uc740 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c \uc218\ud589\ub418\ub294 \uc791\uc5c5\uc758 \ub2e8\uc704\ub85c, ACID \uc18d\uc131\uc744 \uc900\uc218\ud574\uc57c \ud569\ub2c8\ub2e4. ACID\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ub124 \uac00\uc9c0 \uc18d\uc131\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc6d0\uc790\uc131(Atomicity):<\/strong> \ud2b8\ub79c\uc7ad\uc158 \ub0b4\uc758 \ubaa8\ub4e0 \uc791\uc5c5\uc774 \uc131\uacf5\uc801\uc73c\ub85c \uc644\ub8cc\ub418\uac70\ub098, \uc2e4\ud328 \uc2dc \ubaa8\ub4e0 \uc791\uc5c5\uc774 \ub864\ubc31\ub418\uc5b4\uc57c \ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc77c\uad00\uc131(Consistency):<\/strong> \ud2b8\ub79c\uc7ad\uc158\uc774 \uc644\ub8cc\ub41c \ud6c4 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \uc77c\uad00\ub41c \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uace0\ub9bd\uc131(Isolation):<\/strong> \ub3d9\uc2dc\uc5d0 \uc2e4\ud589\ub418\ub294 \ud2b8\ub79c\uc7ad\uc158\uc740 \uc11c\ub85c \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\uc544\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc9c0\uc18d\uc131(Durability):<\/strong> \ud2b8\ub79c\uc7ad\uc158\uc774 \uc131\uacf5\uc801\uc73c\ub85c \uc644\ub8cc\ub418\uba74 \uadf8 \uacb0\uacfc\ub294 \uc601\uad6c\uc801\uc73c\ub85c \uc800\uc7a5\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ud2b8\ub79c\uc7ad\uc158 \uad00\ub9ac\ub294 MySQL\uc5d0\uc11c \ub370\uc774\ud130 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \ud575\uc2ec\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ud2b8\ub79c\uc7ad\uc158\uc744 \uc801\uc808\ud788 \uc0ac\uc6a9\ud558\uba74 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \uc0c1\ud0dc\ub97c \uc548\uc804\ud558\uac8c \uad00\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 id=\"6-%eb%8f%99%ec%8b%9c%ec%84%b1-%ec%a0%9c%ec%96%b4-%ea%b8%b0%eb%b2%95-AHpHndbVGV\">6. \ub3d9\uc2dc\uc131 \uc81c\uc5b4 \uae30\ubc95<\/h2>\n<p>\ub3d9\uc2dc\uc131 \uc81c\uc5b4\ub294 \uc5ec\ub7ec \uc0ac\uc6a9\uc790\uac00 \ub3d9\uc2dc\uc5d0 \ub370\uc774\ud130\uc5d0 \uc811\uadfc\ud560 \ub54c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud55c \uae30\ubc95\uc785\ub2c8\ub2e4. MySQL\uc5d0\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ub3d9\uc2dc\uc131 \uc81c\uc5b4 \uae30\ubc95\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\ube44\uad00\uc801 \ub3d9\uc2dc\uc131 \uc81c\uc5b4:<\/strong> \ud2b8\ub79c\uc7ad\uc158\uc774 \ub370\uc774\ud130\ub97c \uc218\uc815\ud558\uae30 \uc804\uc5d0 \uc7a0\uae08\uc744 \uc124\uc815\ud558\uc5ec \ub2e4\ub978 \ud2b8\ub79c\uc7ad\uc158\uc774 \ud574\ub2f9 \ub370\uc774\ud130\ub97c \uc218\uc815\ud558\uc9c0 \ubabb\ud558\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub099\uad00\uc801 \ub3d9\uc2dc\uc131 \uc81c\uc5b4:<\/strong> \ud2b8\ub79c\uc7ad\uc158\uc774 \ub370\uc774\ud130\ub97c \uc218\uc815\ud560 \ub54c \uc7a0\uae08\uc744 \uc124\uc815\ud558\uc9c0 \uc54a\uace0, \ucd5c\uc885\uc801\uc73c\ub85c \ucee4\ubc0b\ud560 \ub54c \ucda9\ub3cc \uc5ec\ubd80\ub97c \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub2e4\uc911 \ubc84\uc804 \ub3d9\uc2dc\uc131 \uc81c\uc5b4(MVCC):<\/strong> MySQL\uc5d0\uc11c\ub294 MVCC\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac01 \ud2b8\ub79c\uc7ad\uc158\uc774 \ub3c5\ub9bd\uc801\uc73c\ub85c \uc2e4\ud589\ub420 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc77d\uae30 \uc791\uc5c5\uacfc \uc4f0\uae30 \uc791\uc5c5 \uac04\uc758 \ucda9\ub3cc\uc744 \ucd5c\uc18c\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ub3d9\uc2dc\uc131 \uc81c\uc5b4 \uae30\ubc95\uc744 \uc801\uc808\ud788 \ud65c\uc6a9\ud558\uba74 \ub370\uc774\ud130 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c\ub3c4 \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 id=\"7-%eb%8d%b0%ec%9d%b4%ed%84%b0-%eb%ac%b4%ea%b2%b0%ec%84%b1%ec%9d%84-%ec%9c%84%ed%95%9c-%eb%aa%a8%eb%b2%94-%ec%82%ac%eb%a1%80-AHpHndbVGV\">7. \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \uc704\ud55c \ubaa8\ubc94 \uc0ac\ub840<\/h2>\n<p>\ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ubaa8\ubc94 \uc0ac\ub840\ub97c \ub530\ub974\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc815\uae30\uc801\uc778 \ubc31\uc5c5:<\/strong> \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \uc815\uae30\uc801\uc778 \ubc31\uc5c5\uc744 \ud1b5\ud574 \ub370\uc774\ud130 \uc190\uc2e4\uc5d0 \ub300\ube44\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ubaa8\ub2c8\ud130\ub9c1 \ubc0f \uacbd\uace0 \uc2dc\uc2a4\ud15c \uad6c\ucd95:<\/strong> \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \uc0c1\ud0dc\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\uace0, \uc774\uc0c1 \uc9d5\ud6c4\uac00 \ubc1c\uacac\ub418\uba74 \uc989\uc2dc \uacbd\uace0\ub97c \ubc1b\uc744 \uc218 \uc788\ub294 \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ud14c\uc2a4\ud2b8 \ud658\uacbd \uad6c\ucd95:<\/strong> \uc0c8\ub85c\uc6b4 \uae30\ub2a5\uc774\ub098 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uc801\uc6a9\ud558\uae30 \uc804\uc5d0 \ud14c\uc2a4\ud2b8 \ud658\uacbd\uc5d0\uc11c \ucda9\ubd84\ud788 \uac80\uc99d\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc0ac\uc6a9\uc790 \uad50\uc721:<\/strong> \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub294 \uc9c1\uc6d0\ub4e4\uc5d0\uac8c \uad50\uc721\uc744 \uc2e4\uc2dc\ud558\uc5ec \uc2e4\uc218\ub97c \ucd5c\uc18c\ud654\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc774\ub7ec\ud55c \ubaa8\ubc94 \uc0ac\ub840\ub97c \ud1b5\ud574 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \ub354\uc6b1 \uac15\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 id=\"8-%ea%b2%b0%eb%a1%a0-%eb%b0%8f-%ed%96%a5%ed%9b%84-%ec%a0%84%eb%a7%9d-AHpHndbVGV\">8. \uacb0\ub860 \ubc0f \ud5a5\ud6c4 \uc804\ub9dd<\/h2>\n<p>MySQL\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\ub294 \ub2e4\uc591\ud55c \uc6d0\uc778\uc73c\ub85c \ubc1c\uc0dd\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub97c \uc608\ubc29\ud558\uae30 \uc704\ud55c \uccb4\uacc4\uc801\uc778 \uc811\uadfc\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ud2b8\ub79c\uc7ad\uc158 \uad00\ub9ac, \ub3d9\uc2dc\uc131 \uc81c\uc5b4 \uae30\ubc95, \uadf8\ub9ac\uace0 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \uc704\ud55c \ubaa8\ubc94 \uc0ac\ub840\ub97c \ud1b5\ud574 \ub370\uc774\ud130 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc55e\uc73c\ub85c\ub3c4 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uae30\uc220\uc740 \uc9c0\uc18d\uc801\uc73c\ub85c \ubc1c\uc804\ud560 \uac83\uc774\uba70, \uc774\uc5d0 \ub530\ub77c \ub370\uc774\ud130 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud55c \uc0c8\ub85c\uc6b4 \ubc29\ubc95\ub4e4\uc774 \ub4f1\uc7a5\ud560 \uac83\uc785\ub2c8\ub2e4. \uae30\uc5c5\uc740 \uc774\ub7ec\ud55c \ubcc0\ud654\uc5d0 \ubc1c\ub9de\ucd94\uc5b4 \uc9c0\uc18d\uc801\uc73c\ub85c \uc2dc\uc2a4\ud15c\uc744 \uac1c\uc120\ud558\uace0, \ub370\uc774\ud130 \uc77c\uad00\uc131\uc744 \ud655\ubcf4\ud558\uae30 \uc704\ud55c \ub178\ub825\uc744 \uae30\uc6b8\uc5ec\uc57c \ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p>\uacb0\ub860\uc801\uc73c\ub85c, MySQL\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\ub294 \ub2e8\uc21c\ud55c \uae30\uc220\uc801 \ubb38\uc81c\uac00 \uc544\ub2c8\ub77c \ube44\uc988\ub2c8\uc2a4\uc758 \uc2e0\ub8b0\uc131\uacfc \uc9c1\uacb0\ub418\ub294 \uc911\uc694\ud55c \uc694\uc18c\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uae30\uc5c5\uc740 \uc774\ub97c \uc608\ubc29\ud558\uae30 \uc704\ud55c \uc801\uadf9\uc801\uc778 \ub178\ub825\uc744 \uae30\uc6b8\uc5ec\uc57c \ud558\uba70, \uc774\ub97c \ud1b5\ud574 \uace0\uac1d\uc758 \uc2e0\ub8b0\ub97c \uc5bb\uace0 \uc9c0\uc18d \uac00\ub2a5\ud55c \uc131\uc7a5\uc744 \uc774\ub8f0 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ubaa9\ucc28 MySQL\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\uc640 \uc608\ubc29 \ubc29\ubc95 1. \ub370\uc774\ud130 \uc77c\uad00\uc131\uc774\ub780? 2. MySQL\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \uc77c\uad00\uc131 \ubb38\uc81c\uc758 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":33704,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1957],"tags":[2109,2100],"class_list":["post-51616","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-development","tag-consistency","tag-mysql"],"acf":[],"_links":{"self":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts\/51616","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/comments?post=51616"}],"version-history":[{"count":0,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts\/51616\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/media\/33704"}],"wp:attachment":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/media?parent=51616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/categories?post=51616"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/tags?post=51616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}