在oracle的hr數據庫中創建存儲過程數據庫
在oralce的hr數據庫中創建函數oracle
新建控制檯項目,在主函數添加代碼:函數
1 string strConn = "Data Source=jayjay;User ID=hr;Password=oracle;Unicode=True"; 2 3 //調用存儲過程 4 using (OracleConnection conn = new OracleConnection(strConn)) 5 { 6 conn.Open(); 7 using (OracleCommand cmd = new OracleCommand("INSERT_PROCEDURE", conn)) 8 { 9 cmd.CommandType = CommandType.StoredProcedure; 10 cmd.ExecuteNonQuery(); 11 } 12 } 13 //顯示調用存儲過程後的數據 14 using (OracleConnection conn = new OracleConnection(strConn)) 15 { 16 conn.Open(); 17 using (OracleCommand cmd = new OracleCommand("select * from Jobs where JOB_ID='MY_JOB'", conn)) 18 { 19 cmd.CommandType = CommandType.Text; 20 OracleDataAdapter adapter = new OracleDataAdapter(cmd); 21 DataSet dataSet = new DataSet(); 22 adapter.Fill(dataSet);//執行cmd.ExecuteReader();並將結果添加到DataSet容器中 23 DataRow row = dataSet.Tables[0].Rows[0]; 24 Console.WriteLine("執行select * from Jobs where JOB_ID=MY_JOB以後獲得的信息:"); 25 for(int i =0 ;i<4;i++) 26 { 27 Console.WriteLine(row[i]); 28 } 29 } 30 } 31 32 //調用函數 33 using (OracleConnection conn = new OracleConnection(strConn)) 34 { 35 conn.Open(); 36 using (OracleCommand cmd = new OracleCommand("UPDATE_MIN_SALARY", conn)) 37 { 38 cmd.CommandType = CommandType.StoredProcedure; 39 40 // 將參數類型設置爲 返回值類型 41 OracleParameter parameter = new OracleParameter(); 42 parameter.Direction = ParameterDirection.ReturnValue; 43 parameter.OracleType = OracleType.Int32; 44 cmd.Parameters.Add(parameter); 45 46 cmd.ExecuteNonQuery(); 47 Console.WriteLine("受影響的行數爲:" + parameter.Value); 48 } 49 } 50 51 //顯示調用函數後的數據 52 using (OracleConnection conn = new OracleConnection(strConn)) 53 { 54 conn.Open(); 55 using (OracleCommand cmd = new OracleCommand("select * from Jobs where MIN_SALARY=4000", conn)) 56 { 57 cmd.CommandType = CommandType.Text; 58 OracleDataAdapter adapter = new OracleDataAdapter(cmd); 59 DataSet dataSet = new DataSet(); 60 adapter.Fill(dataSet); 61 62 Console.WriteLine("執行select * from Jobs where MIN_SALARY=4000以後獲得的行數:" + dataSet.Tables[0].Rows.Count); 63 } 64 } 65 66 Console.ReadKey(); 67 }