{"id":42643,"date":"2024-11-11T03:11:09","date_gmt":"2024-11-11T03:11:09","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=42643"},"modified":"2024-11-26T06:34:51","modified_gmt":"2024-11-26T06:34:51","slug":"4-%ec%98%a4%eb%9d%bc%ed%81%b4-%ed%94%84%eb%a1%9c%ec%8b%9c%ec%a0%80%ec%97%90%ec%84%9c-%ec%98%88%ec%99%b8-%ec%b2%98%eb%a6%ac-%eb%b0%8f-c%ec%97%90%ec%84%9c%ec%9d%98-%ec%97%90%eb%9f%ac-%ed%95%b8%eb%93%a4","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/42643\/","title":{"rendered":"[C# PL\/SQL] 4.\uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\uc5d0\uc11c \uc608\uc678 \ucc98\ub9ac \ubc0f C#\uc5d0\uc11c\uc758 \uc5d0\ub7ec \ud578\ub4e4\ub9c1, PL SQL \uc608\uc678 \ucc98\ub9ac, C# try-catch \ube14\ub85d \ud65c\uc6a9."},"content":{"rendered":"<h2>4. \uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\uc5d0\uc11c \uc608\uc678 \ucc98\ub9ac \ubc0f C#\uc5d0\uc11c\uc758 \uc5d0\ub7ec \ud578\ub4e4\ub9c1<\/h2>\n<p>\uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1c\ubc1c \uacfc\uc815\uc5d0\uc11c \uc5d0\ub7ec \ucc98\ub9ac\ub294 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc694\uc18c\uc785\ub2c8\ub2e4. \uc624\ub77c\ud074 ProC\uc640 C#\uc740 \uc11c\ub85c \ub2e4\ub978 \uc5b8\uc5b4\uc640 \ud658\uacbd\uc5d0\uc11c \uc791\uc5c5\ud558\uc9c0\ub9cc, \ub450 \uc5b8\uc5b4 \ubaa8\ub450 \uc608\uc678 \ucc98\ub9ac \uba54\ucee4\ub2c8\uc998\uc744 \uc81c\uacf5\ud558\uc5ec \uac1c\ubc1c\uc790\ub4e4\uc774 \uc624\ub958\ub97c \uad00\ub9ac\ud558\uace0 \uc548\uc815\uc131\uc744 \ub192\uc77c \uc218 \uc788\ub3c4\ub85d \ub3d5\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uc624\ub77c\ud074 PL\/SQL\uc5d0\uc11c\uc758 \uc608\uc678 \ucc98\ub9ac, ProC\uc640 C#\uc5d0\uc11c\uc758 \uc5d0\ub7ec \ud578\ub4e4\ub9c1 \uae30\ubc95\ub4e4\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>1. \uc624\ub77c\ud074 PL\/SQL\uc5d0\uc11c\uc758 \uc608\uc678 \ucc98\ub9ac<\/h3>\n<p>PL\/SQL\uc740 \uc624\ub77c\ud074 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \uc704\ud55c \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub85c, \uc608\uc678 \ucc98\ub9ac\ub97c \uc704\ud55c \uac15\ub825\ud55c \uba54\ucee4\ub2c8\uc998\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. PL\/SQL\uc5d0\uc11c \uc608\uc678 \ucc98\ub9ac\uc758 \uae30\ubcf8 \uad6c\uc870\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<pre><code>\nBEGIN\n    -- \ucf54\ub4dc \ube14\ub85d ...\nEXCEPTION\n    WHEN \uc608\uc678_\uc885\ub958_1 THEN\n        -- \uc608\uc678 \ucc98\ub9ac \ucf54\ub4dc ...\n    WHEN \uc608\uc678_\uc885\ub958_2 THEN\n        -- \uc608\uc678 \ucc98\ub9ac \ucf54\ub4dc ...\n    WHEN OTHERS THEN\n        -- \uae30\ud0c0 \uc608\uc678 \ucc98\ub9ac ...\nEND;\n<\/code><\/pre>\n<p>\uc608\ub97c \ub4e4\uc5b4, \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c \ud2b9\uc815 \ub808\ucf54\ub4dc\ub97c \uac80\uc0c9\ud558\uace0, \ud574\ub2f9 \ub808\ucf54\ub4dc\uac00 \uc5c6\uc744 \uacbd\uc6b0 \uc608\uc678\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\ub294 \uac04\ub2e8\ud55c \ud504\ub85c\uc2dc\uc800\ub97c \uc791\uc131\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n<pre><code>\nCREATE OR REPLACE PROCEDURE get_employee_salary (p_emp_id IN NUMBER, p_salary OUT NUMBER) IS\nBEGIN\n    SELECT salary INTO p_salary FROM employees WHERE employee_id = p_emp_id;\nEXCEPTION\n    WHEN NO_DATA_FOUND THEN\n        p_salary := 0;\n    WHEN OTHERS THEN\n        RAISE_APPLICATION_ERROR(-20001, 'Unexpected error!');\nEND get_employee_salary;\n<\/code><\/pre>\n<p>\uc704 \ucf54\ub4dc\uc5d0\uc11c <code>get_employee_salary<\/code> \ud504\ub85c\uc2dc\uc800\ub294 \uc9c1\uc6d0 ID\ub97c \uc785\ub825 \ubc1b\uc544 \ud574\ub2f9 \uc9c1\uc6d0\uc758 \uae09\uc5ec\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4. \ub9cc\uc57d \uc9c0\uc815\ub41c \uc9c1\uc6d0 ID\uac00 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc744 \uacbd\uc6b0, <code>NO_DATA_FOUND<\/code> \uc608\uc678\uac00 \ubc1c\uc0dd\ud558\uc5ec \uae09\uc5ec\ub97c 0\uc73c\ub85c \uc124\uc815\ud569\ub2c8\ub2e4. \uadf8 \uc678\uc758 \ub2e4\ub978 \uc608\uc678\uac00 \ubc1c\uc0dd\ud560 \uacbd\uc6b0, <code>RAISE_APPLICATION_ERROR<\/code>\ub97c \ud1b5\ud574 \uc0ac\uc6a9\uc790 \uc815\uc758 \uc624\ub958 \uba54\uc2dc\uc9c0\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/p>\n<h3>2. C#\uc5d0\uc11c\uc758 \uc5d0\ub7ec \ud578\ub4e4\ub9c1<\/h3>\n<p>C#\uc5d0\uc11c\ub294 <code>try-catch<\/code> \ube14\ub85d\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc608\uc678\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uc740 C#\uc758 \uc5d0\ub7ec \ud578\ub4e4\ub9c1 \uad6c\uc870\uc785\ub2c8\ub2e4:<\/p>\n<pre><code>\ntry\n{\n    \/\/ \ucf54\ub4dc \ube14\ub85d ...\n}\ncatch (Exception ex)\n{\n    \/\/ \uc608\uc678 \ucc98\ub9ac \ucf54\ub4dc ...\n}\nfinally\n{\n    \/\/ \ud56d\uc0c1 \uc218\ud589\ub418\ub294 \ucf54\ub4dc (\uc635\uc158) ...\n}\n<\/code><\/pre>\n<p>\uc774\uc81c PL\/SQL \ud504\ub85c\uc2dc\uc800\uc640 \uc5f0\ub3d9\ub418\ub294 C# \ucf54\ub4dc\ub97c \uc791\uc131\ud558\uc5ec, \uc608\uc678 \ucc98\ub9ac\uc758 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc624\ub77c\ud074 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc5f0\uacb0\ud558\uace0, \ud504\ub85c\uc2dc\uc800\ub97c \ud638\ucd9c\ud558\ub294 C# \ucf54\ub4dc \uc608\uc81c\uc785\ub2c8\ub2e4:<\/p>\n<pre><code>\nusing System;\nusing System.Data;\nusing Oracle.ManagedDataAccess.Client;\n\nclass Program\n{\n    static void Main(string[] args)\n    {\n        int empId = 101;\n        decimal salary = 0;\n\n        using (OracleConnection conn = new OracleConnection(\"your_connection_string\"))\n        {\n            conn.Open();\n            using (OracleCommand cmd = new OracleCommand(\"get_employee_salary\", conn))\n            {\n                cmd.CommandType = CommandType.StoredProcedure;\n                cmd.Parameters.Add(\"p_emp_id\", OracleDbType.Int32).Value = empId;\n                cmd.Parameters.Add(\"p_salary\", OracleDbType.Decimal).Direction = ParameterDirection.Output;\n\n                try\n                {\n                    cmd.ExecuteNonQuery();\n                    salary = (decimal)cmd.Parameters[\"p_salary\"].Value;\n                    Console.WriteLine($\"Salary for employee {empId} is {salary}\");\n                }\n                catch (OracleException ex)\n                {\n                    Console.WriteLine($\"Oracle error code: {ex.Number}, message: {ex.Message}\");\n                }\n                catch (Exception ex)\n                {\n                    Console.WriteLine($\"Unexpected error: {ex.Message}\");\n                }\n            }\n        }\n    }\n}\n<\/code><\/pre>\n<p>\uc774 C# \ud504\ub85c\uadf8\ub7a8\uc740 \uc8fc\uc5b4\uc9c4 \uc9c1\uc6d0 ID\uc5d0 \ub300\ud574 <code>get_employee_salary<\/code> \ud504\ub85c\uc2dc\uc800\ub97c \ud638\ucd9c\ud558\uc5ec \uae09\uc5ec\ub97c \uac00\uc838\uc635\ub2c8\ub2e4. \uc608\uc678\uac00 \ubc1c\uc0dd\ud560 \uacbd\uc6b0, <code>catch<\/code> \ube14\ub85d\uc744 \ud1b5\ud574 OracleException \ubc0f \uae30\ud0c0 \uc608\uc678\ub97c \uc2dd\ubcc4\ud558\uace0 \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n<h3>3. PL\/SQL \uc608\uc678 \ucc98\ub9ac\uc758 \uad6c\uc131 \uc694\uc18c<\/h3>\n<p>PL\/SQL\uc5d0\uc11c \uc608\uc678 \ucc98\ub9ac\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc694\uc18c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc0ac\uc804 \uc815\uc758\ub41c \uc608\uc678:<\/strong> Oracle\uc740 \ub2e4\uc591\ud55c \uc0ac\uc804 \uc815\uc758\ub41c \uc608\uc678\ub97c \uc81c\uacf5\ud558\uba70, \uc774\ub97c \uc774\uc6a9\ud558\uc5ec \uc77c\ubc18\uc801\uc778 \uc624\ub958\ub97c \uc27d\uac8c \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, <code>TOO_MANY_ROWS<\/code>, <code>ZERO_DIVIDE<\/code> \ub4f1\uc758 \uc608\uc678\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc0ac\uc6a9\uc790 \uc815\uc758 \uc608\uc678:<\/strong> \ud544\uc694\uc5d0 \ub530\ub77c \uac1c\ubc1c\uc790\uac00 \ud2b9\uc815 \uc870\uac74\uc5d0 \ub530\ub77c \ubc1c\uc0dd\uc2dc\ud0ac \uc218 \uc788\ub294 \uc0ac\uc6a9\uc790 \uc815\uc758 \uc608\uc678\ub97c \uc815\uc758\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub54c <code>RAISE<\/code> \ubb38\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc608\uc678\ub97c \ubc1c\uc0dd\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc608\uc678 \ud544\ud130:<\/strong> <code>WHEN<\/code> \uc808\uc744 \ud1b5\ud574 \ubc1c\uc0dd\ud55c \uc608\uc678\ub97c \uad6c\ubd84\ud558\uace0, \ud2b9\uc815 \uc608\uc678\uc5d0 \ud574\ub2f9\ud558\ub294 \ucc98\ub9ac \ub85c\uc9c1\uc744 \uc791\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>4. C#\uc758 try-catch \ube14\ub85d \ud65c\uc6a9<\/h3>\n<p>C#\uc758 <code>try-catch<\/code> \ube14\ub85d\uc740 \uc608\uc678\uac00 \ubc1c\uc0dd\ud560 \uac00\ub2a5\uc131\uc774 \uc788\ub294 \ucf54\ub4dc\ub85c \ub458\ub7ec\uc2f8\uc5ec \uc788\uc73c\uba70, \uc2e4\ud589 \uc911 \ubc1c\uc0dd\ud55c \uc608\uc678\uc5d0 \ub300\ud574 \uc801\uc808\ud55c \uc870\uce58\ub97c \ucde8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <code>finally<\/code> \ube14\ub85d\uc740 \uc608\uc678 \ubc1c\uc0dd \uc5ec\ubd80\uc640 \uc0c1\uad00\uc5c6\uc774 \ud56d\uc0c1 \uc2e4\ud589\ub418\ub294 \ube14\ub85d\uc73c\ub85c, \ub9ac\uc18c\uc2a4\ub97c \ud574\uc81c\ud558\uac70\ub098 \ud6c4\uc18d \ucc98\ub9ac\ub97c \ud560 \ub54c \uc720\uc6a9\ud558\uac8c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<p>\uc608\ub97c \ub4e4\uc5b4, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0 \uc6b4\uc601\uc744 \uc218\ud589\ud55c \ud6c4, \uc5f0\uacb0\uc744 \uc548\uc804\ud558\uac8c \uc885\ub8cc\ud558\uae30 \uc704\ud574 <code>finally<\/code> \ube14\ub85d\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<pre><code>\ntry\n{\n    \/\/ \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc791\uc5c5 \uc218\ud589 ...\n}\ncatch (OracleException ex)\n{\n    \/\/ Oracle \uc608\uc678 \ucc98\ub9ac ...\n}\ncatch (Exception ex)\n{\n    \/\/ \uc77c\ubc18 \uc608\uc678 \ucc98\ub9ac ...\n}\nfinally\n{\n    \/\/ \ub9ac\uc18c\uc2a4 \ud574\uc81c \ucf54\ub4dc ...\n}\n<\/code><\/pre>\n<h3>5. PL\/SQL\uacfc C#\uc758 \uc608\uc678 \ucc98\ub9ac \ud1b5\ud569<\/h3>\n<p>PL\/SQL \ud504\ub85c\uc2dc\uc800\uc5d0\uc11c \ubc1c\uc0dd\ud55c \uc608\uc678\uc5d0 \ub300\ud574 C#\uc5d0\uc11c \uc774\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\uae30 \uc704\ud55c \ubc29\ubc95\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud504\ub85c\uc2dc\uc800\uc5d0\uc11c <code>RAISE_APPLICATION_ERROR<\/code>\ub97c \uc0ac\uc6a9\ud55c \uacbd\uc6b0, C#\uc5d0\uc11c\ub294 \uc774\ub97c <code>OracleException<\/code>\uc73c\ub85c \uc218\uc2e0\ud558\uac8c \ub429\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc608\uc678 \uba54\uc2dc\uc9c0\ub97c \ubc1b\uc544 \ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0\uc11c \uc778\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774\uc640 \uac19\uc740 \ubc29\uc2dd\uc73c\ub85c PL\/SQL\uc758 \uc608\uc678 \ucc98\ub9ac\uc640 C#\uc758 \uc608\uc678 \ucc98\ub9ac\ub97c \ud1b5\ud569\ud558\uc5ec \ubcf4\ub2e4 \uc548\uc815\uc801\uc774\uace0 \uc0ac\uc6a9\uc790 \uce5c\ud654\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>6. \uacb0\ub860<\/h3>\n<p>\uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\uc640 C# \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \uac04\uc758 \uc608\uc678 \ucc98\ub9ac \ubc29\ubc95\uc744 \uc774\ud574\ud558\uba74, \uac1c\ubc1c\uc790\ub294 \ud504\ub85c\uadf8\ub7a8\uc758 \uc2e0\ub8b0\uc131\uc744 \ud06c\uac8c \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. PL\/SQL\uc758 \uac15\ub825\ud55c \uc608\uc678 \ucc98\ub9ac\uc640 C#\uc758 \uc720\uc5f0\ud55c \uc5d0\ub7ec \ud578\ub4e4\ub9c1 \uba54\ucee4\ub2c8\uc998\uc744 \uc801\uc808\ud788 \uacb0\ud569\ud558\uba74, \uc624\ub958 \ubc1c\uc0dd \uc2dc \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc720\uc758\ubbf8\ud55c \ud53c\ub4dc\ubc31\uc744 \uc81c\uacf5\ud558\uace0, \uc2dc\uc2a4\ud15c\uc758 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud558\uba70, \ubcf5\uc7a1\ud55c \uc624\ub958 \uc0c1\ud669\uc744 \uad00\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>4. \uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\uc5d0\uc11c \uc608\uc678 \ucc98\ub9ac \ubc0f C#\uc5d0\uc11c\uc758 \uc5d0\ub7ec \ud578\ub4e4\ub9c1 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1c\ubc1c \uacfc\uc815\uc5d0\uc11c \uc5d0\ub7ec \ucc98\ub9ac\ub294 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc694\uc18c\uc785\ub2c8\ub2e4. \uc624\ub77c\ud074 ProC\uc640 C#\uc740 \uc11c\ub85c \ub2e4\ub978 \uc5b8\uc5b4\uc640 \ud658\uacbd\uc5d0\uc11c \uc791\uc5c5\ud558\uc9c0\ub9cc, \ub450 \uc5b8\uc5b4 \ubaa8\ub450 \uc608\uc678 \ucc98\ub9ac \uba54\ucee4\ub2c8\uc998\uc744 \uc81c\uacf5\ud558\uc5ec \uac1c\ubc1c\uc790\ub4e4\uc774 \uc624\ub958\ub97c \uad00\ub9ac\ud558\uace0 \uc548\uc815\uc131\uc744 \ub192\uc77c \uc218 \uc788\ub3c4\ub85d \ub3d5\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 \uc624\ub77c\ud074 PL\/SQL\uc5d0\uc11c\uc758 \uc608\uc678 \ucc98\ub9ac, ProC\uc640 C#\uc5d0\uc11c\uc758 \uc5d0\ub7ec \ud578\ub4e4\ub9c1 \uae30\ubc95\ub4e4\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 1. &hellip; <a href=\"https:\/\/atmokpo.com\/w\/42643\/\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;[C# PL\/SQL] 4.\uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\uc5d0\uc11c \uc608\uc678 \ucc98\ub9ac \ubc0f C#\uc5d0\uc11c\uc758 \uc5d0\ub7ec \ud578\ub4e4\ub9c1, PL SQL \uc608\uc678 \ucc98\ub9ac, C# try-catch \ube14\ub85d \ud65c\uc6a9.&#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":[241],"tags":[],"class_list":["post-42643","post","type-post","status-publish","format-standard","hentry","category-csharp"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - 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