{"id":5588,"date":"2022-06-10T17:11:02","date_gmt":"2022-06-10T08:11:02","guid":{"rendered":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=5588"},"modified":"2022-06-10T17:11:02","modified_gmt":"2022-06-10T08:11:02","slug":"jpa-entity-id-%ec%83%9d%ec%84%b1%eb%b0%a9%ec%8b%9d","status":"publish","type":"post","link":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=5588","title":{"rendered":"JPA Entity ID \uc0dd\uc131\ubc29\uc2dd"},"content":{"rendered":"<h1>JPA Entity ID \uc0dd\uc131\ubc29\uc2dd<\/h1>\n<p>ID \uc0dd\uc131\ubc29\uc2dd\uc740 \ud06c\uac8c \uc218\ub3d9\uc0dd\uc131 \ubc29\uc2dd\uacfc \uc790\ub3d9\uc0dd\uc131 \ubc29\uc2dd\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc218\ub3d9\uc0dd\uc131 \ubc29\uc2dd<\/h2>\n<p>\uc218\ub3d9 \uc0dd\uc131\ubc29\uc2dd\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uac12\uc744 \uc0dd\uc131\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<br \/>\nuniq \ud568\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \ubcf4\uc7a5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p><code>GeneratedValue<\/code> \ub97c \uc0ac\uc6a9\ud558\uba74 \uc624\ub958\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<pre><code class=\"language-java\">    @Id\n    \/\/ @GeneratedValue(strategy = GenerationType.IDENTITY)\n    @NotNull\n    private Integer msgkey;<\/code><\/pre>\n<h2>\uc790\ub3d9\uc0dd\uc131 \ubc29\uc2dd<\/h2>\n<p><code>NotNull<\/code> \uc744 \uc0ac\uc6a9\ud558\uba74 \uc624\ub958\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<h3>IDENTITY<\/h3>\n<p>MySQL, PostgreSQL, SQL Server, DB2 \uc5d0\uc11c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<pre><code class=\"language-java\">    @Id\n    @GeneratedValue(strategy = GenerationType.IDENTITY)\n    \/\/ @NotNull\n    private Integer msgkey;<\/code><\/pre>\n<h3>SEQUENCE<\/h3>\n<p>Oracle, PostgreSQL, DB2, H2 DB \uc5d0\uc11c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<pre><code class=\"language-java\">@Entity\n@SequenceGenerator(\n    name = &quot;USER_SEQ_GENERATOR&quot;\n    , sequenceName = &quot;USER_SEQ&quot;\n    , initialValue = 1\n    , allocationSize = 1\n)\npublic class User {\n    @Id\n    @GeneratedValue(\n        strategy = GenerationType.SEQUENCE\n        , generator = &quot;USER_SEQ_GENERATOR&quot;\n    )\n    private long id;\n}<\/code><\/pre>\n<pre><code class=\"language-java\"><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>JPA Entity ID \uc0dd\uc131\ubc29\uc2dd ID \uc0dd\uc131\ubc29\uc2dd\uc740 \ud06c\uac8c \uc218\ub3d9\uc0dd\uc131 \ubc29\uc2dd\uacfc \uc790\ub3d9\uc0dd\uc131 \ubc29\uc2dd\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc218\ub3d9\uc0dd\uc131 \ubc29\uc2dd \uc218\ub3d9 \uc0dd\uc131\ubc29\uc2dd\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uac12\uc744 \uc0dd\uc131\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. uniq \ud568\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \ubcf4\uc7a5\ud574\uc57c \ud569\ub2c8\ub2e4. GeneratedValue \ub97c \uc0ac\uc6a9\ud558\uba74 \uc624\ub958\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. @Id \/\/ @GeneratedValue(strategy = GenerationType.IDENTITY) @NotNull private Integer msgkey; \uc790\ub3d9\uc0dd\uc131 \ubc29\uc2dd NotNull \uc744 \uc0ac\uc6a9\ud558\uba74 \uc624\ub958\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. IDENTITY MySQL, PostgreSQL, SQL Server, DB2 \uc5d0\uc11c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. @Id\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=5588\">Read More &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-5588","post","type-post","status-publish","format-standard","hentry","category-spring-boot-2-5"],"_links":{"self":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5588","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5588"}],"version-history":[{"count":1,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5588\/revisions"}],"predecessor-version":[{"id":5589,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5588\/revisions\/5589"}],"wp:attachment":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}