{"id":4843,"date":"2025-09-28T11:12:00","date_gmt":"2025-09-28T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/databases-comprehensive-guide-key-concepts-types-best-practices\/"},"modified":"2026-06-22T06:39:09","modified_gmt":"2026-06-22T06:39:09","slug":"databases-comprehensive-guide-key-concepts-types-best-practices","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/databases-comprehensive-guide-key-concepts-types-best-practices","title":{"rendered":"\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc774\ud574\ub97c \uc704\ud55c \ucd5c\uc885 \ud578\ub4dc\ubd81"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db3d1eca1a4d48bfbbd774fa3aa2a375.webp\" alt=\"What Is a Database?\" class=\"wp-image-4840\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db3d1eca1a4d48bfbbd774fa3aa2a375.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db3d1eca1a4d48bfbbd774fa3aa2a375-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db3d1eca1a4d48bfbbd774fa3aa2a375-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db3d1eca1a4d48bfbbd774fa3aa2a375-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db3d1eca1a4d48bfbbd774fa3aa2a375-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 \uc18c\uac1c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>\ub370\uc774\ud130\ubca0\uc774\uc2a4<\/strong> \ud604\ub300 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc758 \uac00\uc7a5 \uae30\ucd08\uc801\uc778 \uad6c\uc131 \uc694\uc18c \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc791\uc740 \ubaa8\ubc14\uc77c \uc571\uc5d0\uc11c \uc5d4\ud130\ud504\ub77c\uc774\uc988\uae09 \uc2dc\uc2a4\ud15c\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0, \ubaa8\ub4e0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \ub370\uc774\ud130\ub97c <strong>\ud6a8\uc728\uc801\uc73c\ub85c \uc800\uc7a5, \uc815\ub9ac \ubc0f \uac80\uc0c9\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/strong>. \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \uc5c6\uc73c\uba74 \uc804\uc790\uc0c1\uac70\ub798 \ud50c\ub7ab\ud3fc, \uae08\uc735 \uc2dc\uc2a4\ud15c, \uc2ec\uc9c0\uc5b4 \ub2e8\uc21c\ud55c \uc6f9\uc0ac\uc774\ud2b8\uc870\ucc28 \uc6b4\uc601\ud558\uae30 \uac70\uc758 \ubd88\uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc624\ub298\ub0a0\uc758 \ub514\uc9c0\ud138 \uc2dc\ub300\uc5d0 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \ub2e8\uc21c\ud55c \uc800\uc7a5 \ub3c4\uad6c\uac00 \uc544\ub2d9\ub2c8\ub2e4\u2014\uadf8\uac83\uc740 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-cloud-computing-access-servers-storage-apps-online\/\"><strong>\ud074\ub77c\uc6b0\ub4dc \ucef4\ud4e8\ud305(cloud computing)<\/strong><\/a><strong>, \ube45\ub370\uc774\ud130 \ubd84\uc11d, <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-artificial-intelligence-ai\/\"><strong>\uc778\uacf5\uc9c0\ub2a5<\/strong><\/a><strong>, \ubc0f \uc2e4\uc2dc\uac04 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758<\/strong> \ud1a0\ub300\uc774\uba70, \uae30\uc5c5\uacfc \uc77c\uc0c1\uc0dd\ud65c\uc744 \uad6c\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub780?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>\ub370\uc774\ud130\ubca0\uc774\uc2a4<\/strong> \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \uc27d\uac8c \uc811\uadfc\ud558\uace0 \uad00\ub9ac\ud558\uba70 \uac31\uc2e0\ud560 \uc218 \uc788\ub294 \uccb4\uacc4\ud654\ub41c \ub370\uc774\ud130 \uc9d1\ud569\uc785\ub2c8\ub2e4. \uc815\ubcf4\ub97c \uad6c\uc870\ud654\ub41c \ubc29\uc2dd\uc73c\ub85c \uc800\uc7a5\ud568\uc73c\ub85c\uc368 \ud544\uc694\ud560 \ub54c \uac80\uc0c9\ud558\uace0 \uc870\uc791\ud558\uae30 \uc27d\uac8c \ud574\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\ub370\uc774\ud130\ubca0\uc774\uc2a4 vs DBMS<\/strong>:<\/p><ul><li><p>A <strong>\ub370\uc774\ud130\ubca0\uc774\uc2a4<\/strong> \u2018\ub370\uc774\ud130\ubca0\uc774\uc2a4\u2019\ub294 \ub370\uc774\ud130 \uc790\uccb4(\ud14c\uc774\ube14, \ud589, \ub808\ucf54\ub4dc)\ub97c \uac00\ub9ac\ud0b5\ub2c8\ub2e4.<\/p><\/li><li><p>A <strong>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad00\ub9ac \uc2dc\uc2a4\ud15c(DBMS)<\/strong>, MySQL \ub610\ub294 Oracle\uacfc \uac19\uc740 DBMS\ub294 \ud574\ub2f9 \ub370\uc774\ud130\uc640 \uc0c1\ud638\uc791\uc6a9\ud558\uace0 \uad00\ub9ac\ud558\uae30 \uc704\ud55c \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc785\ub2c8\ub2e4.<\/p><\/li><\/ul><\/li><li><p><strong>\ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ud575\uc2ec \uad6c\uc131 \uc694\uc18c<\/strong>:<\/p><ul><li><p><strong>\ud14c\uc774\ube14<\/strong>: \ud589\uacfc \uc5f4\ub85c \uad6c\uc131\ub41c \uc2a4\ud504\ub808\ub4dc\uc2dc\ud2b8\uc640 \uc720\uc0ac\ud569\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\ud589(\ub808\ucf54\ub4dc)<\/strong>: \uac1c\ubcc4 \ub370\uc774\ud130 \ud56d\ubaa9\uc785\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\uc5f4(\ud544\ub4dc)<\/strong>: \ub370\uc774\ud130\uc758 \uc18d\uc131 \ub610\ub294 \ud2b9\uc131\uc785\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\uc778\ub371\uc2a4<\/strong>: \ucffc\ub9ac \ubc0f \uac80\uc0c9 \uc18d\ub3c4\ub97c \ub192\uc774\ub294 \uad6c\uc870\uc785\ub2c8\ub2e4.<\/p><\/li><\/ul><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc720\ud615<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4(SQL)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 SQL(\uad6c\uc870\ud654 \ucffc\ub9ac \uc5b8\uc5b4)\uc744 \uc0ac\uc6a9\ud574 \uad6c\uc870\ud654\ub41c \ud14c\uc774\ube14\uc5d0 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>10G \ud3ec\ud2b8\uac00 1G(optics)\uc73c\ub85c \uc5f0\uacb0\ub428 <strong>MySQL, PostgreSQL, Oracle, Microsoft SQL Server<\/strong><\/p><\/li><li><p>\uac15\uc810: \ub370\uc774\ud130 \uc77c\uad00\uc131, ACID \ud2b8\ub79c\uc7ad\uc158, \uad6c\uc870\ud654\ub41c \ucffc\ub9ac \uc9c0\uc6d0.<\/p><\/li><li><p>\ud65c\uc6a9 \uc0ac\ub840: \uae08\uc735 \uc2dc\uc2a4\ud15c, \uc5d4\ud130\ud504\ub77c\uc774\uc988 \uc560\ud50c\ub9ac\ucf00\uc774\uc158, \uc804\uc790\uc0c1\uac70\ub798.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\ube44\uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4(NoSQL)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NoSQL \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \ube44\uad6c\uc870\ud654 \ub610\ub294 \ubc18\uad6c\uc870\ud654\ub41c \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\uba70 \ub354 \ub192\uc740 \uc720\uc5f0\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>10G \ud3ec\ud2b8\uac00 1G(optics)\uc73c\ub85c \uc5f0\uacb0\ub428 <strong>MongoDB(\ubb38\uc11c \uae30\ubc18), Redis(\ud0a4-\uac12), Cassandra(\uad11\uc5f4 \uae30\ubc18)<\/strong><\/p><\/li><li><p>\uac15\uc810: \ub300\uaddc\ubaa8 \ub370\uc774\ud130 \ubc0f \uc2e4\uc2dc\uac04 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub300\ud55c \ud655\uc7a5\uc131\uacfc \uace0\uc131\ub2a5.<\/p><\/li><li><p>\uc0ac\uc6a9 \uc0ac\ub840: <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/link-pp-solutions-for-iot-systems\/\">\uc0ac\ubb3c\uc778\ud130\ub137(IoT)<\/a>, \uc2e4\uc2dc\uac04 \ubd84\uc11d, \uc18c\uc15c \ubbf8\ub514\uc5b4 \ud50c\ub7ab\ud3fc.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >SQL vs NoSQL(\ube44\uad50 \ud45c)<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 166px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"166\"><p>\uae30\ub2a5<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>SQL \ub370\uc774\ud130\ubca0\uc774\uc2a4<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>NoSQL \ub370\uc774\ud130\ubca0\uc774\uc2a4<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"166\"><p>\ub370\uc774\ud130 \ubaa8\ub378<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud14c\uc774\ube14(\ud589 \ubc0f \uc5f4)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ubb38\uc11c, \ud0a4-\uac12, \uadf8\ub798\ud504<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"166\"><p>\uc2a4\ud0a4\ub9c8<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uace0\uc815\ub41c, \uad6c\uc870\ud654\ub41c \uc2a4\ud0a4\ub9c8<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc720\uc5f0\ud55c, \uc2a4\ud0a4\ub9c8 \uc5c6\ub294 \uc2a4\ud0a4\ub9c8<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"166\"><p>\ud2b8\ub79c\uc7ad\uc158<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uac15\ub825\ud55c ACID \uc900\uc218<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucd5c\uc885 \uc77c\uad00\uc131 \uac00\ub2a5<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"166\"><p>\ud655\uc7a5\uc131<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc218\uc9c1 \ud655\uc7a5(\uc5c5\uc2a4\ucf00\uc77c)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc218\ud3c9 \ud655\uc7a5(\uc544\uc6c3\uc2a4\ucf00\uc77c)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"166\"><p>\uc0ac\uc6a9 \uc0ac\ub840<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uae08\uc735, ERP, \uc804\uc790\uc0c1\uac70\ub798<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ube45\ub370\uc774\ud130, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/iot-internet-of-things-definition-and-real-world-examples\/\">\uc0ac\ubb3c\uc778\ud130\ub137(IoT)<\/a>, \uc2e4\uc2dc\uac04 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >\uae30\ud0c0 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc720\ud615<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\uadf8\ub798\ud504 \ub370\uc774\ud130\ubca0\uc774\uc2a4<\/strong>: \uc608: Neo4j \u2014 \uc18c\uc15c \ub124\ud2b8\uc6cc\ud06c\uc640 \uac19\uc774 \uad00\uacc4 \uc911\uc2ec\uc758 \ub370\uc774\ud130\uc5d0 \uc0ac\uc6a9\ub428.<\/p><\/li><li><p><strong>\uceec\ub7fc \uc9c0\ud5a5 \ub370\uc774\ud130\ubca0\uc774\uc2a4<\/strong>: \uc608: Google Bigtable \u2014 \ubd84\uc11d \ubc0f \ub370\uc774\ud130 \uc6e8\uc5b4\ud558\uc6b0\uc9d5\uc744 \uc704\ud574 \ucd5c\uc801\ud654\ub428.<\/p><\/li><li><p><strong>NewSQL<\/strong>: SQL\uc758 \uc77c\uad00\uc131\uacfc NoSQL\uc758 \ud655\uc7a5\uc131\uc744 \uacb0\ud569\ud568.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 \uc778\uae30 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubc0f \uc8fc\uc694 \ud65c\uc6a9 \uc0ac\ub840<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>MySQL<\/strong> \u2192 \uc138\uacc4\uc5d0\uc11c \uac00\uc7a5 \uc778\uae30 \uc788\ub294 \uc624\ud508\uc18c\uc2a4 \ub370\uc774\ud130\ubca0\uc774\uc2a4; \uc6f9\uc0ac\uc774\ud2b8, WordPress, \uc804\uc790\uc0c1\uac70\ub798 \ud50c\ub7ab\ud3fc \ub4f1\uc5d0\uc11c \uad11\ubc94\uc704\ud558\uac8c \uc0ac\uc6a9\ub428.<\/p><\/li><li><p><strong>PostgreSQL<\/strong> \u2192 \uc2e0\ub8b0\uc131\uacfc \uace0\uae09 \uae30\ub2a5\uc73c\ub85c \uc720\uba85; \uae08\uc735, \uc5f0\uad6c, \uc5d4\ud130\ud504\ub77c\uc774\uc988 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0ac\uc6a9\ub428.<\/p><\/li><li><p><strong>MongoDB<\/strong> \u2192 \uc720\uc5f0\ud55c \ubb38\uc11c \uae30\ubc18 NoSQL \ub370\uc774\ud130\ubca0\uc774\uc2a4; JSON\uacfc \uc720\uc0ac\ud55c \ub370\uc774\ud130 \uc800\uc7a5\uc5d0 \uc774\uc0c1\uc801\uc784.<\/p><\/li><li><p><strong>Redis<\/strong> \u2192 \uba54\ubaa8\ub9ac \uae30\ubc18 \ud0a4-\uac12 \uc800\uc7a5\uc18c; \uce90\uc2f1 \ubc0f \uc2e4\uc2dc\uac04 \ubd84\uc11d\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub428.<\/p><\/li><li><p><strong>\ud074\ub77c\uc6b0\ub4dc \ub370\uc774\ud130\ubca0\uc774\uc2a4<\/strong> \u2192 \ub2e4\uc74c\uacfc \uac19\uc740 \uc11c\ube44\uc2a4: <strong>AWS RDS, Google Cloud SQL, Azure SQL Database<\/strong> \ubc30\ud3ec \ubc0f \ud655\uc7a5\uc744 \ub2e8\uc21c\ud654\ud568.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 \uc2e4\uc81c \ud658\uacbd\uc5d0\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc791\ub3d9 \ubc29\uc2dd<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\uc6f9\uc0ac\uc774\ud2b8 \ubc0f \ubaa8\ubc14\uc77c \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong>: \ubaa8\ub4e0 \ub85c\uadf8\uc778, \ub313\uae00, \uc8fc\ubb38\uc740 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc800\uc7a5\ub428.<\/p><\/li><li><p><strong>\uc804\uc790\uc0c1\uac70\ub798 \uc2dc\uc2a4\ud15c<\/strong>: \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \uc81c\ud488, \uace0\uac1d \uacc4\uc815, \uacb0\uc81c, \uc7ac\uace0\ub97c \uc2e4\uc2dc\uac04\uc73c\ub85c \uad00\ub9ac\ud568.<\/p><\/li><li><p><strong>\uc5d4\ud130\ud504\ub77c\uc774\uc988 CRM\/ERP \uc2dc\uc2a4\ud15c<\/strong>: \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \ubd80\uc11c \uac04 \uace0\uac1d \ub370\uc774\ud130, \uac70\ub798 \ub0b4\uc5ed, \uc6b4\uc601 \uc815\ubcf4\ub97c \ud1b5\ud569\ud568.<\/p><\/li><li><p><strong>\ube45\ub370\uc774\ud130 \ubc0f \ubd84\uc11d(Big Data &amp; Analytics)<\/strong>: Snowflake, BigQuery, Redshift\uc640 \uac19\uc740 \ub370\uc774\ud130 \uc6e8\uc5b4\ud558\uc6b0\uc2a4\ub294 <strong>Snowflake, BigQuery, Redshift<\/strong> \uc758\uc0ac\uacb0\uc815\uc744 \uc704\ud55c \uc218 \ud14c\ub77c\ubc14\uc774\ud2b8 \uaddc\ubaa8\uc758 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\uace0 \ubd84\uc11d\ud568.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud559\uc2b5: \ucd08\ubcf4\uc790 \uac00\uc774\ub4dc<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/04ba6dda07b54a85839606bc60e4ec41.webp\" alt=\"Ensuring Data Integrity and Consistency\" class=\"wp-image-4841\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/04ba6dda07b54a85839606bc60e4ec41.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/04ba6dda07b54a85839606bc60e4ec41-300x169.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/04ba6dda07b54a85839606bc60e4ec41-1024x576.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/04ba6dda07b54a85839606bc60e4ec41-768x432.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/04ba6dda07b54a85839606bc60e4ec41-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\uae30\ubcf8 SQL \uc608\uc2dc<\/strong>:<\/p><pre><code>SELECT * FROM customers;<br>INSERT INTO orders (id, product, price) VALUES (1, 'Laptop', 1200);<br>UPDATE customers SET email='new@email.com' WHERE id=5;<br>DELETE FROM orders WHERE id=10;\n<\/code><\/pre><\/li><li><p><strong>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc124\uacc4 \uc6d0\uce59<\/strong>:<\/p><ul><li><p><strong>\uc815\uaddc\ud654<\/strong>: \uc911\ubcf5 \ub370\uc774\ud130 \uc81c\uac70.<\/p><\/li><li><p><strong>\uc778\ub371\uc2a4<\/strong>: \ucffc\ub9ac \uc131\ub2a5 \ud5a5\uc0c1.<\/p><\/li><li><p><strong>\uad00\uacc4<\/strong>: \ud14c\uc774\ube14 \uac04 \uc5f0\uacb0 \uc815\uc758(\uc77c\ub300\ub2e4, \ub2e4\ub300\ub2e4).<\/p><\/li><\/ul><\/li><li><p><strong>\ud53c\ud574\uc57c \ud560 \uc77c\ubc18\uc801\uc778 \uc2e4\uc218<\/strong>:<\/p><ul><li><p>\uc778\ub371\uc2a4 \ubd80\uc7ac \u2192 \ub290\ub9b0 \ucffc\ub9ac.<\/p><\/li><li><p>\ubd80\uc801\uc808\ud55c \uc2a4\ud0a4\ub9c8 \uc124\uacc4 \u2192 \uc720\uc5f0\ud558\uc9c0 \ubabb\ud55c \ub370\uc774\ud130\ubca0\uc774\uc2a4.<\/p><\/li><li><p>\ubcf4\uc548 \ubb34\uc2dc \u2192 SQL \uc778\uc81d\uc158\uc5d0 \ucde8\uc57d.<\/p><\/li><\/ul><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ubbf8\ub798<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\ud074\ub77c\uc6b0\ub4dc \ubc0f \uc11c\ubc84\ub9ac\uc2a4 \ub370\uc774\ud130\ubca0\uc774\uc2a4<\/strong>: AWS Aurora \ub610\ub294 Google Firestore\uc640 \uac19\uc740 \uc0ac\uc6a9\ub7c9 \uae30\ubc18 \uacfc\uae08 \ubaa8\ub378.<\/p><\/li><li><p><strong>NewSQL<\/strong>: SQL\uc758 \uc2e0\ub8b0\uc131\uacfc NoSQL\uc758 \ud655\uc7a5\uc131\uc744 \uacb0\ud569\ud55c \uc194\ub8e8\uc158.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/artificial-intelligence-what-it-is-and-how-it-works-explained\/\"><strong>\uc778\uacf5\uc9c0\ub2a5(AI)<\/strong><\/a><strong> \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubd84\uc57c\uc5d0\uc11c<\/strong>: \uc790\ub3d9 \uc778\ub371\uc2f1, \ucffc\ub9ac \ucd5c\uc801\ud654 \ubc0f \uc774\uc0c1 \ud0d0\uc9c0.<\/p><\/li><li><p><strong>\uadf8\ub798\ud504 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubc0f \uc9c0\uc2dd \uadf8\ub798\ud504<\/strong>: AI, \ucd94\ucc9c \uc5d4\uc9c4, \uc758\ubbf8 \uae30\ubc18 \uac80\uc0c9 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\uc131\uc774 \uc99d\ub300\ub418\uace0 \uc788\uc74c.<\/p><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/edb20377666747409c4c0a7f95221295.webp\" alt=\"Databases Comprehensive Guide\" class=\"wp-image-4842\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/edb20377666747409c4c0a7f95221295.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/edb20377666747409c4c0a7f95221295-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/edb20377666747409c4c0a7f95221295-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/edb20377666747409c4c0a7f95221295-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/edb20377666747409c4c0a7f95221295-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 \uacb0\ub860<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 <strong>\ub514\uc9c0\ud138 \uc138\uacc4\uc758 \ubcf4\uc774\uc9c0 \uc54a\ub294 \uc5d4\uc9c4\uc774\ub2e4<\/strong>. \ub2e8\uc21c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\ubd80\ud130 \uae00\ub85c\ubc8c \uae30\uc5c5\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0, \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \ud604\ub300 \ud601\uc2e0\uc744 \uc774\ub044\ub294 \ub370\uc774\ud130\ub97c \uc800\uc7a5\u00b7\uc815\ub9ac\u00b7\uc81c\uacf5\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc801\uc808\ud55c \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc740 <strong>\uadc0\uc0ac\uc758 \ube44\uc988\ub2c8\uc2a4 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c4\ub2e4.<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc778\uc99d\ub41c \uc7a5\uce58\uc640 \ud45c\uc900\ud654\ub41c \ud504\ub85c\ud30c\uc77c\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. <strong>SQL \ub370\uc774\ud130\ubca0\uc774\uc2a4<\/strong> \uc77c\uad00\uc131\uacfc \uad6c\uc870\ud654\ub41c \ub370\uc774\ud130\uac00 \ud544\uc694\ud55c \uacbd\uc6b0 \uc0ac\uc6a9\ud55c\ub2e4.<\/p><\/li><li><p>\uc120\ud0dd\ud558\uc138\uc694 <strong>NoSQL<\/strong> \ud655\uc7a5\uc131\uacfc \uc720\uc5f0\uc131\uc774 \ud544\uc694\ud55c \uacbd\uc6b0 \uc0ac\uc6a9\ud55c\ub2e4.<\/p><\/li><li><p>\uace0\ub824\ud560 \uc0ac\ud56d: <strong>\ud074\ub77c\uc6b0\ub4dc \uc194\ub8e8\uc158<\/strong> \uad00\ub9ac \uac04\uc18c\ud654 \ubc0f \uae00\ub85c\ubc8c \uc811\uadfc\uc131\uc744 \uc704\ud574.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ubbf8\ub798\ub294 <strong>\ud074\ub77c\uc6b0\ub4dc \ucef4\ud4e8\ud305, AI, \ubd84\uc0b0 \uc2dc\uc2a4\ud15c<\/strong>, \uc5d0 \uc758\ud574 \ud615\uc131\ub420 \uac83\uc774\uba70, \uc774\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \uadf8 \uc5b4\ub290 \ub54c\ubcf4\ub2e4 \ub354 \uc9c0\ub2a5\uc801\uc774\uace0, \ud655\uc7a5 \uac00\ub2a5\ud558\uba70, \uc811\uadfc\ud558\uae30 \uc26c\uc6cc\uc9c8 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38(FAQ)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q1: \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 DBMS\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong><br\/>\ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\ub294 \ubc18\uba74, DBMS\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \uad00\ub9ac\ud558\uace0 \uc0c1\ud638\uc791\uc6a9\ud558\ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q2: \ucd08\ubcf4\uc790\uc5d0\uac8c \uac00\uc7a5 \uc801\ud569\ud55c \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong><br\/>\ucd08\ubcf4\uc790\uc5d0\uac8c \ub110\ub9ac \ucd94\ucc9c\ub418\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub85c\ub294 MySQL\uacfc PostgreSQL\uc774 \uc788\uc73c\uba70, \uc774\ub294 \ud65c\ubc1c\ud55c \ucee4\ubba4\ub2c8\ud2f0 \uc9c0\uc6d0\uacfc \ubc29\ub300\ud55c \ud559\uc2b5 \uc790\ub8cc \ub355\ubd84\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q3: SQL \ub300 NoSQL \u2014 \uc5b4\ub290 \ucabd\uc744 \uc120\ud0dd\ud574\uc57c \ud560\uae4c\uc694?<\/strong><br\/>\ub370\uc774\ud130\uac00 \uad6c\uc870\ud654\ub418\uc5b4 \uc788\uace0 \ud2b8\ub79c\uc7ad\uc158\uc774 \ud544\uc694\ud55c \uacbd\uc6b0\uc5d0\ub294 SQL\uc744 \uc0ac\uc6a9\ud558\uace0, \ub300\uaddc\ubaa8\uc758 \ube44\uad6c\uc870\ud654\ub41c \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud560 \ub54c\ub294 NoSQL\uc744 \uc0ac\uc6a9\ud558\uc138\uc694.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q4: 2025\ub144\uc5d0 \uac00\uc7a5 \uc778\uae30 \uc788\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong><br\/>MySQL, PostgreSQL, MongoDB, Redis\uac00 \uc5ec\uc804\ud788 \uc120\ub450\ub97c \ub2ec\ub9ac\uace0 \uc788\uc73c\uba70, AWS RDS\uc640 \uac19\uc740 \ud074\ub77c\uc6b0\ub4dc \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub3c4 \uc810\ucc28 \uc601\ud5a5\ub825\uc744 \ud0a4\uc6b0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q5: \ud074\ub77c\uc6b0\ub4dc \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong><br\/>\ud074\ub77c\uc6b0\ub4dc \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \ud074\ub77c\uc6b0\ub4dc \uc778\ud504\ub77c\uc5d0\uc11c \uc2e4\ud589\ub418\ub294 \uad00\ub9ac\ud615 \uc11c\ube44\uc2a4\ub85c, \uc218\ub3d9 \uc11c\ubc84 \uad00\ub9ac \uc5c6\uc774 \ud655\uc7a5\uc131, \ubc31\uc5c5, \uace0\uac00\uc6a9\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 \ud575\uc2ec \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc6a9\uc5b4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \ubc30\uc6b0\ub294 \uac83\uc740 \uc0c8\ub85c\uc6b4 \ub2e8\uc5b4\ub4e4\uc744 \uc775\ud788\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc544\ub798\ub294 \ubc18\ub4dc\uc2dc \uc775\ud600\uc57c \ud560 \uc6a9\uc5b4\ub4e4\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\uace0\uc720 \uc81c\uc57d \uc870\uac74(Unique Constraints):<\/strong> ID \ubc88\ud638\uc640 \uac19\uc740 \uac12\uc774 \uc911\ubcf5\ub418\uc9c0 \uc54a\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\uac80\uc0ac \uc81c\uc57d \uc870\uac74(Check Constraints):<\/strong> \ud14c\uc774\ube14\uc5d0 \uc785\ub825\ub420 \uc218 \uc788\ub294 \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uaddc\uce59\uc744 \uc124\uc815\ud569\ub2c8\ub2e4.<\/p><\/li><li><p><strong>SQL \ub370\uc774\ud130 \uc720\ud615(SQL Data Types):<\/strong> \uac01 \uc5f4\uc5d0 \uc5b4\ub5a4 \uc885\ub958\uc758 \ub370\uc774\ud130\uac00 \ub4e4\uc5b4\uac08\uc9c0\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\ub370\uc774\ud130 \uc870\uc791(Data Manipulation):<\/strong> \uba85\ub839\uc5b4\ub97c \uc0ac\uc6a9\ud574 \ub370\uc774\ud130\ub97c \ucd94\uac00\ud558\uac70\ub098 \ubcc0\uacbd\ud558\uac70\ub098 \uc0ad\uc81c\ud558\ub294 \uc791\uc5c5\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\ub370\uc774\ud130 \uac80\uc99d(Data Validation):<\/strong> \ub370\uc774\ud130\uac00 \uc815\ud655\ud558\uace0 \uc644\uc804\ud55c\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\uc624\ub958 \ucc98\ub9ac(Error Handling):<\/strong> \uc624\ub958\ub97c \ucc98\ub9ac\ud558\uc5ec \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud588\uc744 \ub54c \uc774\ub97c \uc778\uc9c0\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c \ud45c\ub294 \ud575\uc2ec \uc6a9\uc5b4\ub4e4\uc774 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc0ac\uc6a9\uc5d0 \uc5b4\ub5bb\uac8c \ub3c4\uc6c0\uc774 \ub418\ub294\uc9c0\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\ud575\uc2ec \uc6a9\uc5b4<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc2e4\ubb34 \uc801\uc6a9 \uc0ac\ub840<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uae30\ubcf8 \ud0a4(Primary Key)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uac01 \ub808\ucf54\ub4dc\ub97c \uace0\uc720\ud558\uac8c \ub9cc\ub4e4\uace0 \ud14c\uc774\ube14 \uac04 \ub370\uc774\ud130\ub97c \uc5f0\uacb0\ud569\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc678\ub798 \ud0a4(Foreign Key)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud14c\uc774\ube14 \uac04 \uc815\ubcf4\ub97c \uc5f0\uacb0\ud558\uc5ec \uad00\ub828\ub41c \ub370\uc774\ud130\ub97c \ud568\uaed8 \ubcfc \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>CRUD \uc5f0\uc0b0(CRUD Operations)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uae30\ubcf8 \ub3d9\uc791: \ub370\uc774\ud130 \uc0dd\uc131(Create), \uc870\ud68c(Read), \uac31\uc2e0(Update), \uc0ad\uc81c(Delete)\uc785\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc778\ub371\uc2f1(Indexing)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uac80\uc0c9 \uc18d\ub3c4\ub97c \ub192\uc5ec \uc815\ubcf4\ub97c \ube60\ub974\uac8c \ucc3e\uc744 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ub370\uc774\ud130 \ubb34\uacb0\uc131(Data Integrity)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub370\uc774\ud130\uac00 \uc815\ud655\ud558\uace0 \uc77c\uad00\ub418\ub3c4\ub85d \uc720\uc9c0\ud558\uc5ec \uc624\ub958\ub97c \ucd5c\uc18c\ud654\ud569\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ud2b8\ub79c\uc7ad\uc158<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud2b8\ub79c\uc7ad\uc158(Transaction)\uc740 \uc5ec\ub7ec \uc791\uc5c5\uc744 \uadf8\ub8f9\ud654\ud558\uc5ec \ubaa8\ub4e0 \ubcc0\uacbd\uc774 \ud568\uaed8 \uc801\uc6a9\ub418\uac70\ub098 \uc804\ud600 \uc801\uc6a9\ub418\uc9c0 \uc54a\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ub370\uc774\ud130 \ubcf4\uc548(Data Security)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uad8c\ud55c \uc5c6\ub294 \uc0ac\ub78c\uc774 \uc815\ubcf4\ub97c \ubcfc \uc218 \uc5c6\uac70\ub098 \ubcc0\uacbd\ud560 \uc218 \uc5c6\ub3c4\ub85d \ubcf4\ud638\ud569\ub2c8\ub2e4.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ud3ec\uad04\uc801\uc778 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uac00\uc774\ub4dc\ub97c \uc77d\uc5b4\uac00\uba70 \uc5ec\ub7ec\ubd84\uc740 \uc774\ub7ec\ud55c \uc6a9\uc5b4\ub4e4\uc5d0 \uc775\uc219\ud574\uc9c8 \uac83\uc785\ub2c8\ub2e4. \ub610\ud55c \uc2e4\uc81c \uc5c5\ubb34\uc5d0\uc11c \uc774 \uc6a9\uc5b4\ub4e4\uc774 \uc5b4\ub5bb\uac8c \ud65c\uc6a9\ub418\ub294\uc9c0\ub3c4 \uc54c\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\ucd08 \uc9c0\uc2dd\uc744 \uac16\ucd94\uba74 \uc5b4\ub5a4 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub77c\ub3c4 \uc790\uc2e0 \uc788\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc885\ud569 \uac00\uc774\ub4dc\ub294 \ud604\ub300 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc2dc\uc2a4\ud15c\uc744 \uc120\ud0dd, \uad00\ub9ac, \ucd5c\uc801\ud654\ud558\uae30 \uc704\ud574 \ud544\uc694\ud55c \uc8fc\uc694 \uac1c\ub150, \uc720\ud615, \uc124\uacc4 \ubc0f \ubaa8\ubc94 \uc0ac\ub840\ub97c 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