{"id":42622,"date":"2024-11-11T03:11:01","date_gmt":"2024-11-11T03:11:01","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=42622"},"modified":"2024-11-26T06:34:54","modified_gmt":"2024-11-26T06:34:54","slug":"18-%ec%98%a4%eb%9d%bc%ed%81%b4-%ed%94%84%eb%a1%9c%ec%8b%9c%ec%a0%80%ec%99%80-c%ec%9d%84-%ec%9d%b4%ec%9a%a9%ed%95%9c-%ec%ba%90%ec%8b%b1-%ec%a0%84%eb%9e%b5-%ea%b5%ac%ed%98%84-%eb%b9%88%eb%b2%88","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/42622\/","title":{"rendered":"[C# PL\/SQL] 18.\uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\uc640 C#\uc744 \uc774\uc6a9\ud55c \uce90\uc2f1 \uc804\ub7b5 \uad6c\ud604, \ube48\ubc88\ud558\uac8c \ud638\ucd9c\ub418\ub294 \ud504\ub85c\uc2dc\uc800\uc758 \uacb0\uacfc\ub97c \uce90\uc2f1\ud558\uc5ec \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ubc29\ubc95\uc744 \uc18c\uac1c"},"content":{"rendered":"

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\uc18c\uac1c<\/h2>\n

\n \ud604\ub300\uc758 \ub370\uc774\ud130 \uc911\uc2ec \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \ub300\ud55c \ube48\ubc88\ud55c \ud638\ucd9c\uc774 \ubc1c\uc0dd\ud558\ub294 \uacbd\uc6b0 \ud37c\ud3ec\uba3c\uc2a4\uac00 \uc2ec\uac01\ud558\uac8c \uc800\ud558\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n \uc774\ub7f0 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574, \uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\uc640 C#\uc744 \uc774\uc6a9\ud55c \uce90\uc2f1 \uc804\ub7b5\uc744 \uad6c\ud604\ud558\uc5ec \uc131\ub2a5\uc744 \uac1c\uc120\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc18c\uac1c\ud569\ub2c8\ub2e4.
\n \ud2b9\ud788, \ube48\ubc88\ud558\uac8c \ud638\ucd9c\ub418\ub294 \ud504\ub85c\uc2dc\uc800\uc758 \uacb0\uacfc\ub97c \uce90\uc2f1\ud568\uc73c\ub85c\uc368 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubd80\ud558\ub97c \uc904\uc774\uace0,
\n \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc758 \uc751\ub2f5 \uc2dc\uac04\uc744 \ub2e8\ucd95\uc2dc\ud0a4\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n<\/section>\n

\n

\uce90\uc2f1\uc758 \uc911\uc694\uc131<\/h2>\n

\n \uce90\uc2f1\uc740 \ub370\uc774\ud130\ub97c \uc784\uc2dc \uc800\uc7a5\uc18c\uc5d0 \uc800\uc7a5\ud55c \ud6c4 \uc774 \ub370\uc774\ud130\ub97c \uc7ac\uc0ac\uc6a9\ud558\uc5ec \ubd88\ud544\uc694\ud55c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud638\ucd9c\uc744 \uc904\uc774\ub294 \uae30\ubc95\uc785\ub2c8\ub2e4.
\n \uc774\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \ub300\ud55c \uc811\uadfc\uc744 \ucd5c\uc18c\ud654\ud558\uc5ec \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud558\uace0 \uc0ac\uc6a9\uc790 \uacbd\ud5d8\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.
\n \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc640 \uce90\uc2f1 \uc2dc\uc2a4\ud15c\uc758 \uc870\ud569\uc740 \ud604\ub300\uc758 \uace0\uc131\ub2a5 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ud544\uc218\uc801\uc785\ub2c8\ub2e4.\n <\/p>\n<\/section>\n

\n

\uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\ub780?<\/h2>\n

\n \uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\ub294 \ud2b9\uc815 \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub294 SQL \ubb38\uacfc PL\/SQL \ube14\ub85d\uc744 \ubaa8\uc544\ub454 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uac1d\uccb4\uc785\ub2c8\ub2e4.
\n \ud504\ub85c\uc2dc\uc800\ub97c \ud1b5\ud574 \ubcf5\uc7a1\ud55c \ub85c\uc9c1\uc744 \ubd84\ub9ac\ud558\uace0, \uc7ac\uc0ac\uc6a9\uc131\uc744 \ub192\uc774\uba70, \ubcf4\uc548\uacfc \uc720\uc9c0 \ubcf4\uc218\ub97c \uc6a9\uc774\ud558\uac8c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n \ud504\ub85c\uc2dc\uc800\ub294 \uc785\ub825 \ubc0f \ucd9c\ub825 \ub9e4\uac1c\ubcc0\uc218\ub97c \uc9c0\uc6d0\ud558\uc5ec \ud6a8\uc728\uc801\uc778 \ub370\uc774\ud130 \ucc98\ub9ac\ub97c \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.\n <\/p>\n

\uc608\uc81c: \uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800 \uc0dd\uc131<\/h3>\n
\n                CREATE OR REPLACE PROCEDURE get_employee_details (\n                    emp_id IN NUMBER,\n                    emp_name OUT VARCHAR2,\n                    emp_salary OUT NUMBER\n                ) AS\n                BEGIN\n                    SELECT name, salary INTO emp_name, emp_salary\n                    FROM employees\n                    WHERE id = emp_id;\n                END;\n            <\/code><\/pre>\n
\n                \uc704\uc758 \uc608\uc81c\ub294 \uc9c1\uc6d0 ID\ub97c \uae30\uc900\uc73c\ub85c \uc9c1\uc6d0\uc758 \uc774\ub984\uacfc \uae09\uc5ec \uc815\ubcf4\ub97c \uc870\ud68c\ud558\ub294 \uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800\uc785\ub2c8\ub2e4.
\n                \uc774 \ud504\ub85c\uc2dc\uc800\ub294 \uc785\ub825 \ub9e4\uac1c\ubcc0\uc218\ub85c \uc9c1\uc6d0 ID\ub97c \ubc1b\uace0, \ud574\ub2f9 \uc9c1\uc6d0\uc758 \uc774\ub984\uacfc \uae09\uc5ec\ub97c \ucd9c\ub825 \ub9e4\uac1c\ubcc0\uc218\ub85c \ubc18\ud658\ud569\ub2c8\ub2e4.\n            <\/p>\n<\/section>\n
\n
C#\uc758 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc811\uadfc<\/h2>\n
\n                C#\uc5d0\uc11c\ub294 ADO.NET\uc744 \ud1b5\ud574 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc811\uadfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n                ADO.NET\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc624\ub77c\ud074 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc5f0\uacb0\ud558\uace0 \ud504\ub85c\uc2dc\uc800\ub97c \ud638\ucd9c\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.\n            <\/p>\n
\uc608\uc81c: C#\uc5d0\uc11c \uc624\ub77c\ud074 \ud504\ub85c\uc2dc\uc800 \ud638\ucd9c\ud558\uae30<\/h3>\n
\n                using Oracle.ManagedDataAccess.Client;\n\n                public void GetEmployeeDetails(int empId)\n                {\n                    string connString = \"User Id=your_user_id;Password=your_password;Data Source=your_data_source;\";\n                    \n                    using (OracleConnection conn = new OracleConnection(connString))\n                    {\n                        conn.Open();\n                        \n                        using (OracleCommand cmd = new OracleCommand(\"get_employee_details\", conn))\n                        {\n                            cmd.CommandType = CommandType.StoredProcedure;\n\n                            cmd.Parameters.Add(\"emp_id\", OracleDbType.Int32).Value = empId;\n                            cmd.Parameters.Add(\"emp_name\", OracleDbType.Varchar2, 100).Direction = ParameterDirection.Output;\n                            cmd.Parameters.Add(\"emp_salary\", OracleDbType.Decimal).Direction = ParameterDirection.Output;\n\n                            cmd.ExecuteNonQuery();\n\n                            string empName = cmd.Parameters[\"emp_name\"].Value.ToString();\n                            decimal empSalary = (decimal)cmd.Parameters[\"emp_salary\"].Value;\n\n                            Console.WriteLine($\"Employee Name: {empName}, Salary: {empSalary}\");\n                        }\n                    }\n                }\n            <\/code><\/pre>\n
\n                \uc704\uc758 C# \ucf54\ub4dc\ub294 `get_employee_details` \ud504\ub85c\uc2dc\uc800\ub97c \ud638\ucd9c\ud558\ub294 \uc608\uc81c\uc785\ub2c8\ub2e4. Oracle.ManagedDataAccess \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc624\ub77c\ud074 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc5f0\uacb0\ud558\uace0,
\n                \ud504\ub85c\uc2dc\uc800\ub97c \ud638\ucd9c\ud55c \ud6c4 \uce90\uc2dc\ub41c \uacb0\uacfc\ub97c \uc774\uc6a9\ud558\uc5ec \uc131\ub2a5\uc744 \uc99d\uac00\uc2dc\ud0a4\uae30 \uc704\ud55c \uae30\ubc95\uc744 \uc81c\uc2dc\ud558\uaca0\uc2b5\ub2c8\ub2e4.\n            <\/p>\n<\/section>\n
\n
\uce90\uc2f1 \uc804\ub7b5 \uad6c\ud604<\/h2>\n
\n                \ube48\ubc88\ud558\uac8c \ud638\ucd9c\ub418\ub294 \ud504\ub85c\uc2dc\uc800\uc758 \uacb0\uacfc\ub97c \uce90\uc2f1\ud558\ub294 \ubc29\ubc95\uc744 \uc18c\uac1c\ud569\ub2c8\ub2e4.
\n                \uc774\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc811\uadfc\uc744 \ucd5c\uc18c\ud654\ud558\uace0 \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc758 \uc131\ub2a5\uc744 \uadf9\ub300\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n                \uce90\uc2f1 \uc804\ub7b5 \uad6c\ud604\uc744 \uc704\ud574 \uba54\ubaa8\ub9ac \uce90\uc2f1 \uc194\ub8e8\uc158\uc778 `MemoryCache`\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n            <\/p>\n
MemoryCache\ub97c \uc774\uc6a9\ud55c \uce90\uc2f1 \uc608\uc81c<\/h3>\n
\n                using System.Runtime.Caching;\n\n                public class EmployeeCache\n                {\n                    private MemoryCache cache = MemoryCache.Default;\n\n                    public (string name, decimal salary) GetEmployee(int empId)\n                    {\n                        string cacheKey = $\"Employee_{empId}\";\n                        \n                        if (cache.Contains(cacheKey))\n                        {\n                            return ((string, decimal))cache.Get(cacheKey);\n                        }\n                        else\n                        {\n                            (string name, decimal salary) employee = GetEmployeeDetails(empId);\n                            cache.Set(cacheKey, employee, DateTimeOffset.UtcNow.AddMinutes(10));\n                            return employee;\n                        }\n                    }\n                }\n            <\/code><\/pre>\n
\n                \uc704\uc758 \ucf54\ub4dc\ub294 `MemoryCache` \ud074\ub798\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc9c1\uc6d0\uc744 \uce90\uc2f1\ud558\ub294 \uac04\ub2e8\ud55c \uc608\uc81c\uc785\ub2c8\ub2e4.
\n                \ud2b9\uc815 \uc9c1\uc6d0 ID\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \uc11c\ubc84 \uba54\ubaa8\ub9ac\uc5d0 \uce90\uc2f1\ud558\uc5ec, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc811\uadfc \uc5c6\uc774 \ube60\ub974\uac8c \uc7ac\uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n            <\/p>\n<\/section>\n
\n
\uacb0\uacfc \uac80\uc99d \ubc0f \uc131\ub2a5 \ube44\uad50<\/h2>\n
\n                \uce90\uc2dc\uac00 \uc801\uc6a9\ub41c \ud6c4 \uacb0\uacfc\uc640 \uc131\ub2a5\uc744 \uce21\uc815\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.
\n                \uc9c4\ud589\ud55c \ud14c\uc2a4\ud2b8\uac00 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc131\ub2a5\uc5d0 \uc62c\ubc14\ub974\uac8c \uae30\uc5ec\ud588\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \uba87 \uac00\uc9c0 \uc911\uc694\ud55c \uc9c0\ud45c\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n            <\/p>\n
\uc131\ub2a5 \ud14c\uc2a4\ud2b8 \ubc29\ubc95<\/h3>\n
\n                public void MeasurePerformance(int empId, int iterations)\n                {\n                    long startTime, elapsedTime;\n\n                    for (int i = 0; i < iterations; i++)\n                    {\n                        startTime = Stopwatch.GetTimestamp();\n                        GetEmployee(empId);\n                        elapsedTime = Stopwatch.GetTimestamp() - startTime;\n                        Console.WriteLine($\"Elapsed Time: {elapsedTime}\");\n                    }\n                }\n            <\/code><\/pre>\n
\n                \uc774 \ud568\uc218\ub294 \uc131\ub2a5\uc744 \uce21\uc815\ud558\uc5ec \uce90\uc2f1 \uc804\ub7b5\uc73c\ub85c \uc778\ud574 \uc751\ub2f5 \uc18d\ub3c4\uac00 \uac1c\uc120\ub418\uc5c8\ub294\uc9c0\ub97c \ud655\uc778\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4.
\n                \ubc18\ubcf5 \ud638\ucd9c\uc5d0\uc11c\uc758 \ud3c9\uade0 \uc751\ub2f5 \uc2dc\uac04\uc744 \uae30\ub85d\ud558\uc5ec \uc131\ub2a5 \uac1c\uc120\uc758 \uc815\ub3c4\ub97c \uc218\uce58\uc801\uc73c\ub85c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.\n            <\/p>\n<\/section>\n