{"id":42555,"date":"2024-11-11T03:00:30","date_gmt":"2024-11-11T03:00:30","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=42555"},"modified":"2024-11-26T06:35:07","modified_gmt":"2024-11-26T06:35:07","slug":"3-%ec%b2%ab-%eb%b2%88%ec%a7%b8-pro-c-%ed%94%84%eb%a1%9c%ea%b7%b8%eb%9e%a8-%ec%9e%91%ec%84%b1%ed%95%98%ea%b8%b0-%eb%82%b4%ec%9a%a9-%ea%b8%b0%eb%b3%b8-%ec%97%b0%ea%b2%b0-%ea%b0%84%eb%8b%a8%ed%95%9c-s","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/42555\/","title":{"rendered":"3.\uccab \ubc88\uc9f8 Pro C \ud504\ub85c\uadf8\ub7a8 \uc791\uc131\ud558\uae30, \ub0b4\uc6a9  \uae30\ubcf8 \uc5f0\uacb0, \uac04\ub2e8\ud55c SELECT \ubb38 \uc2e4\ud589, \uacb0\uacfc \ucd9c\ub825."},"content":{"rendered":"<p><body><\/p>\n<article>\n<p>Pro*C\ub294 Oracle\uc758 C \uae30\ubc18\uc758 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub85c, \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ub9e4\uc6b0 \ud6a8\uc728\uc801\uc73c\ub85c \uc218\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \ub3d5\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 Pro*C \ud504\ub85c\uadf8\ub7a8\uc758 \uae30\ubcf8\uc801\uc778 \uc124\uc815, \uac04\ub2e8\ud55c SELECT \ucffc\ub9ac \uc2e4\ud589, \uadf8\ub9ac\uace0 \uacb0\uacfc \ucd9c\ub825\uc744 \ub2e4\ub8f0 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h2>1. Pro*C \uc18c\uac1c<\/h2>\n<p>Pro*C\ub294 Oracle \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 C\uc5b8\uc5b4 \uac04\uc758 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub294 C \ud504\ub85c\uadf8\ub7a8 \ub0b4\uc5d0\uc11c SQL \ucffc\ub9ac\ub97c \uc791\uc131\ud558\uace0 \uc2e4\ud589\ud560 \uc218 \uc788\uac8c \ub3c4\uc640\uc90d\ub2c8\ub2e4. Pro*C \ud504\ub85c\uadf8\ub7a8\uc740 \uc77c\ubc18 C \ud504\ub85c\uadf8\ub7a8\uacfc \uac70\uc758 \uc720\uc0ac\ud558\uc9c0\ub9cc, SQL \uad6c\ubb38\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\ub2e4\ub294 \uc810\uc5d0\uc11c \ucc28\ubcc4\ud654\ub429\ub2c8\ub2e4.<\/p>\n<h2>2. Pro*C \ud658\uacbd \uc124\uc815<\/h2>\n<p>Pro*C \ud504\ub85c\uadf8\ub7a8\uc744 \uc791\uc131\ud558\uae30 \uc804\uc5d0, \uac1c\ubc1c \ud658\uacbd\uc744 \uc124\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ud544\uc694\ud55c \uad6c\uc131 \uc694\uc18c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>Oracle \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubc0f \ud074\ub77c\uc774\uc5b8\ud2b8 \uc124\uce58<\/li>\n<li>C \ucef4\ud30c\uc77c\ub7ec (\uc608: GCC)<\/li>\n<li>Pro*C precompiler<\/li>\n<\/ul>\n<p>\ud658\uacbd \uc124\uc815\uc774 \uc644\ub8cc\ub418\uc5c8\ub2e4\uba74, Pro*C \uc18c\uc2a4\ub97c \uc791\uc131\ud560 \uc900\ube44\uac00 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>3. \uccab \ubc88\uc9f8 Pro*C \ud504\ub85c\uadf8\ub7a8<\/h2>\n<h3>3.1 \uae30\ubcf8 \uc5f0\uacb0<\/h3>\n<p>\uc6b0\uc120 Oracle \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640\uc758 \uc5f0\uacb0\uc744 \uc124\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uae30\ubcf8\uc801\uc778 \uc5f0\uacb0\uc744 \uc704\ud55c \ucf54\ub4dc \uc0d8\ud50c\uc785\ub2c8\ub2e4:<\/p>\n<pre><code>\n#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;sqlca.h&gt; \/\/ SQLCA \uad6c\uc870\uccb4\ub97c \ud3ec\ud568\ud574\uc57c \ud568\n#include &lt;sqlcpr.h&gt; \/\/ SQL \uc2e4\ud589\uc744 \uc704\ud55c \ud5e4\ub354\n\nEXEC SQL BEGIN DECLARE SECTION;\nchar *username = \"your_username\"; \/\/ \uc0ac\uc6a9\uc790 \uc774\ub984\nchar *password = \"your_password\"; \/\/ \ube44\ubc00\ubc88\ud638\nchar *db = \"your_db\"; \/\/ \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc774\ub984\nEXEC SQL END DECLARE SECTION;\n\nint main() {\n    \/\/ Oracle \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc5f0\uacb0\n    EXEC SQL CONNECT :username IDENTIFIED BY :password USING :db;\n\n    if (sqlca.sqlcode != 0) {\n        printf(\"\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0 \uc2e4\ud328: %d\\n\", sqlca.sqlcode);\n        return 1;\n    }\n    printf(\"\ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc131\uacf5\uc801\uc73c\ub85c \uc5f0\uacb0\ub418\uc5c8\uc2b5\ub2c8\ub2e4.\\n\");\n\n    \/\/ \uc5f0\uacb0 \uc885\ub8cc\n    EXEC SQL COMMIT WORK RELEASE;\n\n    return 0;\n}\n        <\/code><\/pre>\n<h3>3.2 \uac04\ub2e8\ud55c SELECT \ubb38 \uc2e4\ud589<\/h3>\n<p>\uc5f0\uacb0\uc774 \uc131\uacf5\uc801\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ud6c4, \uac04\ub2e8\ud55c SELECT \ubb38\uc744 \uc2e4\ud589\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, EMPLOYEES \ud14c\uc774\ube14\uc5d0\uc11c \uc9c1\uc6d0\uc758 \uc774\ub984\uacfc \uae09\uc5ec\ub97c \uc870\ud68c\ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<pre><code>\n#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;sqlca.h&gt;\n#include &lt;sqlcpr.h&gt;\n\nEXEC SQL BEGIN DECLARE SECTION;\nchar *username = \"your_username\"; \/\/ \uc0ac\uc6a9\uc790 \uc774\ub984\nchar *password = \"your_password\"; \/\/ \ube44\ubc00\ubc88\ud638\nchar *db = \"your_db\"; \/\/ \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc774\ub984\nchar employee_name[50]; \/\/ \uc9c1\uc6d0 \uc774\ub984\ndouble salary; \/\/ \uae09\uc5ec\nEXEC SQL END DECLARE SECTION;\n\nint main() {\n    \/\/ \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc5f0\uacb0\n    EXEC SQL CONNECT :username IDENTIFIED BY :password USING :db;\n\n    if (sqlca.sqlcode != 0) {\n        printf(\"\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0 \uc2e4\ud328: %d\\n\", sqlca.sqlcode);\n        return 1;\n    }\n\n    \/\/ SELECT \ubb38 \uc2e4\ud589\n    EXEC SQL SELECT name, salary INTO :employee_name, :salary FROM EMPLOYEES WHERE ROWNUM = 1;\n\n    if (sqlca.sqlcode == 0) {\n        printf(\"\uc9c1\uc6d0 \uc774\ub984: %s, \uae09\uc5ec: %.2f\\n\", employee_name, salary);\n    } else {\n        printf(\"\uc870\ud68c \uc2e4\ud328: %d\\n\", sqlca.sqlcode);\n    }\n\n    \/\/ \uc5f0\uacb0 \uc885\ub8cc\n    EXEC SQL COMMIT WORK RELEASE;\n\n    return 0;\n}\n        <\/code><\/pre>\n<h3>3.3 \uacb0\uacfc \ucd9c\ub825<\/h3>\n<p>\uc704\uc758 SELECT \ubb38\uc740 EMPLOYEES \ud14c\uc774\ube14\uc5d0\uc11c \uccab \ubc88\uc9f8 \uc9c1\uc6d0\uc758 \uc774\ub984\uacfc \uae09\uc5ec\ub97c \ucd9c\ub825\ud569\ub2c8\ub2e4. \uacb0\uacfc\uac00 \uc131\uacf5\uc801\uc73c\ub85c \ucd9c\ub825\ub418\uba74 \uacbd\uacfc\ub41c \uc2dc\uac04\uc774 \uc544\ub2cc \ub2e4\ub978 \uc815\ubcf4\ub97c \ucd94\uac00\ub85c \ucd9c\ub825\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc544\ub798\uc640 \uac19\uc774 \ucffc\ub9ac\ub97c \uc218\uc815\ud558\uc5ec \uc804\uccb4 \uc9c1\uc6d0 \ubaa9\ub85d\uc744 \ucd9c\ub825\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<pre><code>\n#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;sqlca.h&gt;\n#include &lt;sqlcpr.h&gt;\n\nEXEC SQL BEGIN DECLARE SECTION;\nchar *username = \"your_username\"; \/\/ \uc0ac\uc6a9\uc790 \uc774\ub984\nchar *password = \"your_password\"; \/\/ \ube44\ubc00\ubc88\ud638\nchar *db = \"your_db\"; \/\/ \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc774\ub984\nchar employee_name[50]; \/\/ \uc9c1\uc6d0 \uc774\ub984\ndouble salary; \/\/ \uae09\uc5ec\nEXEC SQL END DECLARE SECTION;\n\nint main() {\n    \/\/ \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc5f0\uacb0\n    EXEC SQL CONNECT :username IDENTIFIED BY :password USING :db;\n\n    if (sqlca.sqlcode != 0) {\n        printf(\"\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0 \uc2e4\ud328: %d\\n\", sqlca.sqlcode);\n        return 1;\n    }\n\n    \/\/ \uacb0\uacfc \uc9d1\ud569\uc744 \uc800\uc7a5\ud558\uae30 \uc704\ud55c \ucee4\uc11c \uc120\uc5b8\n    EXEC SQL DECLARE emp_cursor CURSOR FOR\n        SELECT name, salary FROM EMPLOYEES;\n\n    \/\/ \ucee4\uc11c \uc5f4\uae30\n    EXEC SQL OPEN emp_cursor;\n\n    \/\/ \uacb0\uacfc \uc9d1\ud569\uc744 \uc21c\ud68c\ud558\uba70 \ucd9c\ub825\n    while (1) {\n        EXEC SQL FETCH emp_cursor INTO :employee_name, :salary;\n        if (sqlca.sqlcode != 0) break; \/\/ \ub354 \uc774\uc0c1\uc758 \ub370\uc774\ud130\uac00 \uc5c6\uc73c\uba74 \uc885\ub8cc\n        printf(\"\uc9c1\uc6d0 \uc774\ub984: %s, \uae09\uc5ec: %.2f\\n\", employee_name, salary);\n    }\n\n    printf(\"\ubaa8\ub4e0 \uc9c1\uc6d0 \uc815\ubcf4 \ucd9c\ub825 \uc644\ub8cc.\\n\");\n\n    \/\/ \ucee4\uc11c \ub2eb\uae30\n    EXEC SQL CLOSE emp_cursor;\n\n    \/\/ \uc5f0\uacb0 \uc885\ub8cc\n    EXEC SQL COMMIT WORK RELEASE;\n\n    return 0;\n}\n        <\/code><\/pre>\n<h2>4. \uc608\uc81c \uc2e4\ud589 \ubc29\ubc95<\/h2>\n<p>\uc720\ub2c9\uc2a4 \uacc4\uc5f4 OS\uc758 \uacbd\uc6b0 \ub2e4\uc74c\uacfc \uac19\uc740 \uba85\ub839\uc5b4\ub97c \ud1b5\ud574\uc11c Pro*C \ud504\ub85c\uadf8\ub7a8\uc744 \ucef4\ud30c\uc77c\ud558\uace0 \uc2e4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ol>\n<li>Pro*C \ucef4\ud30c\uc77c\ub7ec\ub97c \uc0ac\uc6a9\ud558\uc5ec SQL \ubb38\uc774 \ud3ec\ud568\ub41c \uc18c\uc2a4\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4: <code>proc iname=your_program.pc<\/code><\/li>\n<li>\uc0dd\uc131\ub41c C \uc18c\uc2a4\ub97c \ucef4\ud30c\uc77c\ud569\ub2c8\ub2e4: <code>gcc your_program.c -o your_program -I$ORACLE_HOME\/rdbms\/public -L$ORACLE_HOME\/lib -lclntsh<\/code><\/li>\n<li>\ud504\ub85c\uadf8\ub7a8\uc744 \uc2e4\ud589\ud569\ub2c8\ub2e4: <code>.\/your_program<\/code><\/li>\n<\/ol>\n<h2>5. \ub9c8\ubb34\ub9ac<\/h2>\n<p>\uc774\uae00\uc5d0\uc11c\ub294 Pro*C\uc758 \uae30\ubcf8\uc801\uc778 \uc0ac\uc6a9\ubc95\uc744 \uc124\uba85\ud588\uc2b5\ub2c8\ub2e4. Oracle \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640\uc758 \uc5f0\uacb0, \uac04\ub2e8\ud55c SQL \ucffc\ub9ac \uc2e4\ud589, \uadf8\ub9ac\uace0 \uacb0\uacfc \ucd9c\ub825\uae4c\uc9c0\uc758 \uacfc\uc815\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. Pro*C\ub294 \uac15\ub825\ud55c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud504\ub85c\uadf8\ub798\ubc0d \ub3c4\uad6c\uc774\ubbc0\ub85c \ubcf5\uc7a1\ud55c \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc744 \uad6c\ud604\ud558\ub294 \ub370 \uc720\uc6a9\ud569\ub2c8\ub2e4. \ub354 \uae4a\uc774 \uc788\ub294 \uae30\ub2a5\uc774\ub098 \ubcf5\uc7a1\ud55c \uc608\uc81c\ub294 Oracle \uacf5\uc2dd \ubb38\uc11c\ub098 Pro*C \uad00\ub828 \uc790\ub8cc\ub4e4\uc744 \ud1b5\ud574 \ucc3e\uc544\ubcf4\uae38 \uad8c\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<\/article>\n<p><\/body><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pro*C\ub294 Oracle\uc758 C \uae30\ubc18\uc758 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub85c, \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ub9e4\uc6b0 \ud6a8\uc728\uc801\uc73c\ub85c \uc218\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \ub3d5\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 Pro*C \ud504\ub85c\uadf8\ub7a8\uc758 \uae30\ubcf8\uc801\uc778 \uc124\uc815, \uac04\ub2e8\ud55c SELECT \ucffc\ub9ac \uc2e4\ud589, \uadf8\ub9ac\uace0 \uacb0\uacfc \ucd9c\ub825\uc744 \ub2e4\ub8f0 \uac83\uc785\ub2c8\ub2e4. 1. Pro*C \uc18c\uac1c Pro*C\ub294 Oracle \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 C\uc5b8\uc5b4 \uac04\uc758 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub294 C \ud504\ub85c\uadf8\ub7a8 \ub0b4\uc5d0\uc11c SQL \ucffc\ub9ac\ub97c \uc791\uc131\ud558\uace0 \uc2e4\ud589\ud560 \uc218 \uc788\uac8c \ub3c4\uc640\uc90d\ub2c8\ub2e4. Pro*C \ud504\ub85c\uadf8\ub7a8\uc740 \uc77c\ubc18 C \ud504\ub85c\uadf8\ub7a8\uacfc &hellip; <a href=\"https:\/\/atmokpo.com\/w\/42555\/\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;3.\uccab \ubc88\uc9f8 Pro C \ud504\ub85c\uadf8\ub7a8 \uc791\uc131\ud558\uae30, \ub0b4\uc6a9  \uae30\ubcf8 \uc5f0\uacb0, \uac04\ub2e8\ud55c SELECT \ubb38 \uc2e4\ud589, \uacb0\uacfc \ucd9c\ub825.&#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":[239],"tags":[],"class_list":["post-42555","post","type-post","status-publish","format-standard","hentry","category-proc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>3.\uccab \ubc88\uc9f8 Pro C \ud504\ub85c\uadf8\ub7a8 \uc791\uc131\ud558\uae30, \ub0b4\uc6a9 \uae30\ubcf8 \uc5f0\uacb0, \uac04\ub2e8\ud55c SELECT \ubb38 \uc2e4\ud589, \uacb0\uacfc \ucd9c\ub825. - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atmokpo.com\/w\/42555\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3.\uccab \ubc88\uc9f8 Pro C \ud504\ub85c\uadf8\ub7a8 \uc791\uc131\ud558\uae30, \ub0b4\uc6a9 \uae30\ubcf8 \uc5f0\uacb0, \uac04\ub2e8\ud55c SELECT \ubb38 \uc2e4\ud589, \uacb0\uacfc \ucd9c\ub825. - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"Pro*C\ub294 Oracle\uc758 C \uae30\ubc18\uc758 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub85c, \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ub9e4\uc6b0 \ud6a8\uc728\uc801\uc73c\ub85c \uc218\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \ub3d5\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 Pro*C \ud504\ub85c\uadf8\ub7a8\uc758 \uae30\ubcf8\uc801\uc778 \uc124\uc815, \uac04\ub2e8\ud55c SELECT \ucffc\ub9ac \uc2e4\ud589, \uadf8\ub9ac\uace0 \uacb0\uacfc \ucd9c\ub825\uc744 \ub2e4\ub8f0 \uac83\uc785\ub2c8\ub2e4. 1. Pro*C \uc18c\uac1c Pro*C\ub294 Oracle \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 C\uc5b8\uc5b4 \uac04\uc758 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub294 C \ud504\ub85c\uadf8\ub7a8 \ub0b4\uc5d0\uc11c SQL \ucffc\ub9ac\ub97c \uc791\uc131\ud558\uace0 \uc2e4\ud589\ud560 \uc218 \uc788\uac8c \ub3c4\uc640\uc90d\ub2c8\ub2e4. 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