{"id":26488,"date":"2024-10-27T10:52:53","date_gmt":"2024-10-27T10:52:53","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=26488"},"modified":"2024-11-26T07:40:53","modified_gmt":"2024-11-26T07:40:53","slug":"%ec%8a%a4%ed%94%84%eb%a7%81-%eb%b6%80%ed%8a%b8-%eb%b0%b1%ec%97%94%eb%93%9c-%ea%b0%9c%eb%b0%9c-%ea%b0%95%ec%a2%8c-%eb%8d%b0%ec%9d%b4%ed%84%b0%eb%b2%a0%ec%9d%b4%ec%8a%a4-%ea%b4%80%eb%a6%ac%ec%9e%90-db","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/26488\/","title":{"rendered":"\uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ubc31\uc5d4\ub4dc \uac1c\ubc1c \uac15\uc88c, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad00\ub9ac\uc790, DBMS"},"content":{"rendered":"<p><body><\/p>\n<p>\ud604\ub300\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc5d0\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \ud575\uc2ec\uc801\uc778 \uc694\uc18c\ub85c \uc790\ub9ac \uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ubd80\ud2b8(Spring Boot)\ub294 \uc790\ubc14 \uae30\ubc18\uc758 \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud504\ub808\uc784\uc6cc\ud06c\ub85c, \ud2b9\ud788 \ubc31\uc5d4\ub4dc \uac1c\ubc1c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \uac15\uc88c\uc5d0\uc11c\ub294 \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub97c \uc774\uc6a9\ud55c \ubc31\uc5d4\ub4dc \uac1c\ubc1c\uacfc \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad00\ub9ac \uc2dc\uc2a4\ud15c(DBMS)\uc758 \uae30\ucd08\ubd80\ud130 \uace0\uae09 \uac1c\ub150\uae4c\uc9c0 \ub2e4\ub8f0 \uac83\uc785\ub2c8\ub2e4. \uc774 \uae00\uc740 \ucd1d 20,000\uc790 \uc774\uc0c1\uc758 \ub0b4\uc6a9\uc744 \ud3ec\ud568\ud558\uc5ec, \uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc640 DBMS\uc5d0 \ub300\ud55c \uae4a\uc774 \uc788\ub294 \uc774\ud574\ub97c \uc81c\uacf5\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h2>1. \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub780?<\/h2>\n<p>\uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub294 \uc2a4\ud504\ub9c1 \ud504\ub808\uc784\uc6cc\ud06c\uc758 \ud655\uc7a5\uc73c\ub85c, \uc124\uc815\uacfc \uad6c\uc131\uc744 \uac04\uc18c\ud654\ud558\uc5ec \ube60\ub974\uac8c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud560 \uc218 \uc788\ub3c4\ub85d \ub3d5\ub294 \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub294 \uc8fc\ub85c RESTful API, \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uc544\ud0a4\ud14d\ucc98 \ubc0f \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h3>1.1 \uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc758 \uc8fc\uc694 \ud2b9\uc9d5<\/h3>\n<ul>\n<li><strong>\uc790\ub3d9 \uc124\uc815(Auto-Configuration):<\/strong> \uac1c\ubc1c\uc790\uac00 \uc124\uc815\ud574\uc57c \ud560 \ub0b4\uc6a9\uc744 \ucd5c\uc18c\ud654\ud558\uc5ec \uc0dd\uc0b0\uc131\uc744 \ub192\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2a4\ud0c0\ud130(Starters):<\/strong> \ub2e4\uc591\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc27d\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d \uc81c\uacf5\ud558\ub294 \ubaa8\ub4c8\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\ub3c5\ub9bd\ud615 \uc560\ud50c\ub9ac\ucf00\uc774\uc158:<\/strong> \ub0b4\uc7a5\ub41c \uc11c\ubc84(\uc608: Tomcat, Jetty \ub4f1) \ub355\ubd84\uc5d0 \ucd94\uac00 \uc124\uc815 \uc5c6\uc774 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc2e4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>2. \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 DBMS \uc18c\uac1c<\/h2>\n<p>\ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \uc815\ubcf4\ub97c \uc800\uc7a5, \uad00\ub9ac\ud558\uace0 \uac80\uc0c9\ud558\ub294 \uc2dc\uc2a4\ud15c \ubc18\uba74, DBMS(\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad00\ub9ac \uc2dc\uc2a4\ud15c)\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uad00\ub9ac\ud560 \uc218 \uc788\ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc785\ub2c8\ub2e4. DBMS\ub294 \uc0ac\uc6a9\uc790\uac00 \ub370\uc774\ud130\ub97c \uc27d\uac8c \uc800\uc7a5\ud558\uace0 \uac80\uc0c9\ud560 \uc218 \uc788\ub3c4\ub85d \ub3c4\uc640\uc8fc\uba70, \ub370\uc774\ud130 \uc77c\uad00\uc131\uacfc \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<h3>2.1 DBMS\uc758 \uc885\ub958<\/h3>\n<p>DBMS\ub294 \ud06c\uac8c \uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4(\uc608: MySQL, PostgreSQL)\uc640 \ube44\uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4(\uc608: MongoDB, Cassandra)\ub85c \ub098\ub20c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4(RDBMS):<\/strong> \ub370\uc774\ud130\ub97c \ud14c\uc774\ube14\uc5d0 \uc800\uc7a5\ud558\uba70, SQL\uc744 \ud1b5\ud574 \ub370\uc774\ud130\ub97c \uc870\uc791\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ube44\uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4(NoSQL):<\/strong> JSON \ud615\ud0dc\uc758 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\uba70, \uc2a4\ud0a4\ub9c8\uac00 \uc720\ub3d9\uc801\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>2.2 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \uc124\uacc4 \uc6d0\uce59<\/h3>\n<p>\ud6a8\uc728\uc801\uc778 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc124\uacc4\ub97c \uc704\ud574\uc11c\ub294 \ub2e4\uc74c \uba87 \uac00\uc9c0 \uc6d0\uce59\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<ol>\n<li><strong>\uc815\uaddc\ud654(Normalization):<\/strong> \ub370\uc774\ud130\ub97c \uc911\ubcf5 \uc5c6\uc774 \uc800\uc7a5\ud558\ub418, \ud544\uc694\ud560 \uacbd\uc6b0 \uc801\uc808\ud788 \uc870\uc778(join)\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c \uc870\ud68c\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ubb34\uacb0\uc131 \uc81c\uc57d\uc870\uac74(Integrity Constraints):<\/strong> \ub370\uc774\ud130\uc758 \uc815\ud655\uc131\uacfc \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud55c \uaddc\uce59\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uc778\ub371\uc2a4(Index):<\/strong> \uac80\uc0c9 \uc131\ub2a5\uc744 \ub192\uc774\uae30 \uc704\ud574 \uc790\uc8fc \uc0ac\uc6a9\ud558\ub294 \uceec\ub7fc\uc5d0 \uc778\ub371\uc2a4\ub97c \uc124\uc815\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h2>3. \uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc640 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\ub3d9<\/h2>\n<p>\uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub97c \uc0ac\uc6a9\ud558\uba74 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 \uc27d\uac8c \uc5f0\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ubc88 \uc139\uc158\uc5d0\uc11c\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640\uc758 \uc5f0\uacb0\uc744 \uc704\ud574 \ud544\uc694\ud55c \uc124\uc815 \ubc0f \ucf54\ub4dc\uc5d0 \ub300\ud574 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>3.1 \ud504\ub85c\uc81d\ud2b8 \uc124\uc815<\/h3>\n<p>\uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud558\uae30 \uc704\ud574 <a href=\"https:\/\/start.spring.io\/\">Spring Initializr<\/a>\ub97c \ubc29\ubb38\ud558\uc5ec \ud544\uc694\ud55c \uc758\uc874\uc131\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>Spring Web:<\/strong> RESTful API\ub97c \uac1c\ubc1c\ud558\uae30 \uc704\ud574 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>Spring Data JPA:<\/strong> ORM(Object Relational Mapping) \uae30\uc220\ub85c, \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 \uac1d\uccb4 \uac04\uc758 \ub9e4\ud551\uc744 \uac04\ud3b8\ud558\uac8c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>H2 Database:<\/strong> \uc778\uba54\ubaa8\ub9ac \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub85c, \uac1c\ubc1c \ubc0f \ud14c\uc2a4\ud2b8\uc6a9\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>3.2 application.properties \uc124\uc815<\/h3>\n<pre><code>spring.h2.console.enabled=true\nspring.datasource.url=jdbc:h2:mem:testdb\nspring.datasource.driver-class-name=org.h2.Driver\nspring.datasource.username=sa\nspring.datasource.password=password\nspring.jpa.database-platform=org.hibernate.dialect.H2Dialect<\/code><\/pre>\n<h3>3.3 Entity \ud074\ub798\uc2a4 \uc0dd\uc131<\/h3>\n<p>\ub2e4\uc74c\uc73c\ub85c, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud14c\uc774\ube14\uc5d0 \ub9e4\ud551\ub418\ub294 Entity \ud074\ub798\uc2a4\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 \uac04\ub2e8\ud55c User \ud074\ub798\uc2a4\ub97c \uc608\ub85c \ub4e4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code>import javax.persistence.Entity;\nimport javax.persistence.GeneratedValue;\nimport javax.persistence.GenerationType;\nimport javax.persistence.Id;\n\n@Entity\npublic class User {\n    @Id\n    @GeneratedValue(strategy = GenerationType.IDENTITY)\n    private Long id;\n    private String name;\n    private String email;\n\n    \/\/ Getter \ubc0f Setter \uba54\uc18c\ub4dc\n}<\/code><\/pre>\n<h3>3.4 Repository \uc778\ud130\ud398\uc774\uc2a4 \uc0dd\uc131<\/h3>\n<p>\uc2a4\ud504\ub9c1 \ub370\uc774\ud130 JPA\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 \uc0c1\ud638\uc791\uc6a9\ud558\ub294 Repository \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n<pre><code>import org.springframework.data.jpa.repository.JpaRepository;\n\npublic interface UserRepository extends JpaRepository&lt;User, Long&gt; {\n    User findByEmail(String email);\n}<\/code><\/pre>\n<h3>3.5 \uc11c\ube44\uc2a4 \ubc0f \ucee8\ud2b8\ub864\ub7ec \uad6c\ud604<\/h3>\n<p>\uc11c\ube44\uc2a4 \uacc4\uce35\uacfc RESTful API\ub97c \uc81c\uacf5\ud558\ub294 \ucee8\ud2b8\ub864\ub7ec\ub97c \uad6c\ud604\ud574\uc57c \ud569\ub2c8\ub2e4. \uc11c\ube44\uc2a4 \uacc4\uce35\uc5d0\uc11c\ub294 \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc744 \ucc98\ub9ac\ud558\uace0, \ucee8\ud2b8\ub864\ub7ec \uacc4\uce35\uc5d0\uc11c\ub294 HTTP \uc694\uccad\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n<pre><code>import org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.web.bind.annotation.*;\n\nimport java.util.List;\n\n@RestController\n@RequestMapping(\"\/api\/users\")\npublic class UserController {\n    @Autowired\n    private UserService userService;\n\n    @GetMapping\n    public List&lt;User&gt; getAllUsers() {\n        return userService.getAllUsers();\n    }\n\n    @PostMapping\n    public User createUser(@RequestBody User user) {\n        return userService.createUser(user);\n    }\n}<\/code><\/pre>\n<h2>4. \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad00\ub9ac<\/h2>\n<p>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad00\ub9ac\uc5d0\ub294 \ub370\uc774\ud130 \ubc31\uc5c5, \ubcf5\uad6c, \uc131\ub2a5 \ubaa8\ub2c8\ud130\ub9c1, \ubcf4\uc548 \uc124\uc815 \ub4f1\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc791\uc5c5\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \uc218\ud589\ud558\uae30 \uc704\ud574 \uc5ec\ub7ec \ub3c4\uad6c\uc640 \uae30\uc220\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h3>4.1 \ub370\uc774\ud130 \ubc31\uc5c5\uacfc \ubcf5\uad6c<\/h3>\n<p>\uc815\uae30\uc801\uc778 \ub370\uc774\ud130 \ubc31\uc5c5\uc740 \ub370\uc774\ud130 \uc190\uc2e4\uc744 \ubc29\uc9c0\ud558\ub294 \uc911\uc694\ud55c \uc808\ucc28\uc785\ub2c8\ub2e4. RDBMS\ub9c8\ub2e4 \ub370\uc774\ud130 \ubc31\uc5c5\uc744 \uc704\ud55c \ub2e4\uc591\ud55c \ubc29\ubc95\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>mysqldump:<\/strong> MySQL \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ubc31\uc5c5\uc744 \uc218\ud589\ud558\ub294 \uba85\ub839\uc5b4\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<pre><code>mysqldump -u [username] -p[password] [database] &gt; backup.sql<\/code><\/pre>\n<h3>4.2 \uc131\ub2a5 \ubaa8\ub2c8\ud130\ub9c1<\/h3>\n<p>\ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \uc131\ub2a5\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\uae30 \uc704\ud574 \ub2e4\uc591\ud55c \ub3c4\uad6c\uac00 \uc874\uc7ac\ud569\ub2c8\ub2e4. \uc774\ub4e4\uc740 \ucffc\ub9ac \uc131\ub2a5, CPU \uc0ac\uc6a9\ub7c9, \uba54\ubaa8\ub9ac \uc0ac\uc6a9\ub7c9 \ub4f1\uc744 \uc2e4\uc2dc\uac04\uc73c\ub85c \ud655\uc778\ud560 \uc218 \uc788\uac8c \ud574\uc90d\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>MySQL Workbench:<\/strong> MySQL\uc758 \uc131\ub2a5\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud558\uace0 \ucffc\ub9ac\ub97c \ubd84\uc11d\ud558\ub294 \ub3c4\uad6c\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>4.3 \ubcf4\uc548 \uc124\uc815<\/h3>\n<p>\ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubcf4\uc548\uc740 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc0ac\uc6a9\uc790 \uc811\uadfc \uad8c\ud55c\uc744 \uc124\uc815\ud558\uace0, \uc548\uc804\ud55c \ube44\ubc00\ubc88\ud638\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \ubcf4\ud638\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h2>5. \ub9c8\uce58\uba70<\/h2>\n<p>\uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub97c \ud65c\uc6a9\ud55c \ubc31\uc5d4\ub4dc \uac1c\ubc1c\uacfc DBMS\uc758 \uae30\ucd08\ubd80\ud130 \uc2e4\uc804 \uc801\uc6a9\uae4c\uc9c0 \ub2e4\ub8e8\uc5c8\uc2b5\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub294 \uc0ac\uc6a9\uc790 \uce5c\ud654\uc801\uc778 \ubc29\uc2dd\uc73c\ub85c \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640\uc758 \uc5f0\ub3d9\uc744 \uac00\ub2a5\ud558\uac8c \ud558\uc5ec \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc744 \ub354\uc6b1 \uac04\ud3b8\ud558\uac8c \ub9cc\ub4e4\uc5b4 \uc90d\ub2c8\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad00\ub9ac \ub610\ud55c \uc911\uc694\ud55c \ubd80\ubd84\uc774\uba70, \uc774\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uc218\ud589\ud558\uae30 \uc704\ud574 \ub2e4\uc591\ud55c \uae30\ubc95\uacfc \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc55e\uc73c\ub85c \ub354 \ubc1c\uc804\ub41c \ubc31\uc5d4\ub4dc \uac1c\ubc1c\uc744 \uc704\ud55c \uc5ec\uc815\uc744 \uc774\uc5b4\uac00\uc2dc\uae38 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n<p><\/body><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud604\ub300\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc5d0\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \ud575\uc2ec\uc801\uc778 \uc694\uc18c\ub85c \uc790\ub9ac \uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ubd80\ud2b8(Spring Boot)\ub294 \uc790\ubc14 \uae30\ubc18\uc758 \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud504\ub808\uc784\uc6cc\ud06c\ub85c, \ud2b9\ud788 \ubc31\uc5d4\ub4dc \uac1c\ubc1c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \uac15\uc88c\uc5d0\uc11c\ub294 \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub97c \uc774\uc6a9\ud55c \ubc31\uc5d4\ub4dc \uac1c\ubc1c\uacfc \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad00\ub9ac \uc2dc\uc2a4\ud15c(DBMS)\uc758 \uae30\ucd08\ubd80\ud130 \uace0\uae09 \uac1c\ub150\uae4c\uc9c0 \ub2e4\ub8f0 \uac83\uc785\ub2c8\ub2e4. \uc774 \uae00\uc740 \ucd1d 20,000\uc790 \uc774\uc0c1\uc758 \ub0b4\uc6a9\uc744 \ud3ec\ud568\ud558\uc5ec, \uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc640 DBMS\uc5d0 \ub300\ud55c \uae4a\uc774 \uc788\ub294 \uc774\ud574\ub97c \uc81c\uacf5\ud560 \uac83\uc785\ub2c8\ub2e4. 1. \uc2a4\ud504\ub9c1 &hellip; <a href=\"https:\/\/atmokpo.com\/w\/26488\/\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;\uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ubc31\uc5d4\ub4dc \uac1c\ubc1c \uac15\uc88c, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad00\ub9ac\uc790, DBMS&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-26488","post","type-post","status-publish","format-standard","hentry","category-21"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - 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