(The default value is 0 for the implicit database connection in a .NET stored procedure.) 15 Context Connection Returns an implicit database connection if set to true. An implicit database connection can only be
The details of the Oracle Database connection string. Note: Objects should always be created or deserialized using the Builder. This model distinguishes fields that are null because they are unset from fields that are explicitly set to null. This is done in the setter methods of...
命名空间: System.Data.OracleClient 程序集: System.Data.OracleClient.dll 更改已打开的 OracleConnection 的当前数据库。 C# 复制 public override void ChangeDatabase(string value); 参数 value String 要代替当前数据库加以使用的数据库的名称。 例外 ArgumentException 数据库名称无效。 Invalid...
Server string Specify the Oracle Server. If a port or SID is required, specify in the form of ServerName:Port/SID. True Authentication Type [Select Basic] string Authentication type to connect to your database Username securestring Username credential True Password securestring Password credential ...
StringgetValue() static DatabaseConnectionStringDetails.ConnectionTypevalueOf(String name) Returns the enum constant of this type with the specified name. static DatabaseConnectionStringDetails.ConnectionType[]values() Returns an array containing the constants of this en...
Install and setup an on-premises data gateway. From Power Query Online, select theOracle databaseoption in the data sources selection. In theOracle databasedialog that appears, specify the Oracle net service name/TNS alias, Easy Connect Plus connection string, or connect descriptor to connect to...
Oracle XE(或者"Oracle Database 10g Express Edition")是一个简单免费发布的版本。 以下是语法格式: Driver=(Oracle in XEClient);dbq=111.21.31.99:1521/XE;Uid=myUsername;Pwd=myPassword; ODBC 新版本连接方式 以下是语法格式: Driver={Microsoft ODBC for Oracle};Server=myServerAddress;Uid=myUsername;Pwd...
); // 在这里执行数据库操作 } catch (Exception ex) { Console.WriteLine("Error connecting to Oracle database: " + ex.Message); } } } 在这个示例中,我们首先定义了连接字符串,然后使用OracleConnection类创建了一个数据库连接对象。通过调用Open方法,我们尝试打开与Oracle数据库的连接。如果连接成功,...
1、2 使用CREATE DATABASE LINK命令创建数据库链接,语法如下: CREATE DATABASE LINK link_name CONNECT TO username IDENTIFIED BY password USING 'connection_string'; link_name是数据库链接的名称,username和password是目标数据库的用户名和密码,connection_string是目标数据库的连接字符串。
OracleConnection.IDbConnection.ChangeDatabase(String) 方法 參考 意見反應 定義 命名空間: System.Data.OracleClient 組件: System.Data.OracleClient.dll 為開啟的 Connection 物件變更目前的資料庫。 C# 複製 void IDbConnection.ChangeDatabase (string value); 參數 value String 用於代替...