... the connection string to the constructor SqlConnection mySqlConnection = Using a SqlConnection Object toConnectto a SQLServerDatabase You create a SqlConnection object using the SqlConnection() ... as follows: mySqlConnection.ConnectionString = server= localhost ;database= Northwind;uid=sa; mySqlConnection.ConnectionTimeout = 15 mySqlConnection .Database = Northwind mySqlConnection.DataSource ... illustrates how toconnectto the SQLServer Northwind database using a SqlConnection object and display some of the properties of that object. Listing 7.1: MYSQLCONNECTION.CS /* MySqlConnection.cs...
... StateChange event of the mySqlConnection object: // open mySqlConnection mySqlConnection.Open(); // create a SqlCommand object SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); ... // to Open Console.WriteLine("Calling mySqlConnection.Open()"); mySqlConnection.Open(); // close mySqlConnection, causing the State to change from Open // to Closed ... create a SqlConnection object SqlConnection mySqlConnection = new SqlConnection(" ;server= localhost ;database= Northwind;uid=sa;pwd=sa"); // monitor the StateChange event using...
... System™ XT Server. Database sql file Microsoft SQLServer opn_mssql .sql My SQL opn_mysql .sql Oracle opn_oracle .sql How to create a Microsoft SQLServerdatabase for the OPN System™ XT Server? ... SQLServer database for all database selections. How to create a Microsoft SQLServerdatabase for the OPN System™ XT Server? 3 Step 3: Run the opn_mssql .sql on Microsoft SQLServer ... Files/antepo/opnserverXT/data/download How to create a Microsoft SQLServerdatabase for the OPN System™ XT Server? 9 Connecting to an Oracle database When you connectto the Oracle database...
... Recipe 8.11 Using a Single Stored Procedure to Update Multiple Changes to a SQL Server Database Problem You need to update a SQLServer 2000 database with changes to multiple rows in a DataSet ... connection and command for the update stored procedure. SqlConnection conn = new SqlConnection( ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); SqlCommand cmd = new SqlCommand( ... valid for the duration of the connection to the SQLServer or until it is reset. The handle can be invalidated and the associated memory freed by calling the system stored procedure sp_xml_removedocument....
... ConnecttoSQLServer Problem You want toconnectto a SQLServer using its IP address instead of its server name. Solution Use the Network Address and Network Library attributes of the connection ... event handler: Connect Button.Click Creates and opens a connection to a SQLServer using its IP address. Information about the SQLServer is displayed from the properties of the SqlConnection object. ... for SQLServer 2000 include: AppleTalk ADSP Allows Apple Macintosh to communicate with SQLServer using native AppleTalk protocol. Banyan VINES Supports Banyan VINES Sequenced Packet Protocol...
... servers ListAllAvailableServers Method used to retrieve available servers on the network SQLServer Connect Connection string that connects you to the SQL Server, allowing you access to ... Establish a connection to the server. If not, then exit the function. Dim osvr As SQLDMO.SQLServer osvr = New SQLDMO.SQLServer() osvr.LoginSecure = True Try osvr .Connect( strSQLServer) ... the SQLServer and database and then create a new connection based on the selections. Within a database application, it is necessary to allow users to select a SQLServer back end to which to...
... Create Database dialog box from within the Server Explorer in two ways. The first way is to right-click on the Data Connections node and choose Create New SQLServer Database. The second way is to ... Comments The Microsoft VisualStudio and SQLServer teams have gone to a lot of effort to make VS .NET the only design tool you need to use to create databases and their objects. ... right-click on the SQL Server instance to which you want to add the database- in this case, SHADRACH2-and then choose New Database. Although both methods open the Create Database dialog box,...
... một user database được tạo ra thì SQLServer sẽ copy to n bộ các system objects (tables, stored procedures ) từ Model database sang database mi va to. ã Msdb : Database ny được SQLServer Agent ... a SQLServer Database Tác giả: Vovisoft.comCấu Trúc Của SQL Server Như đã trình bày ở các bài trước một trong những đặc điểm của SQLServer 2000 là Multiple-Instance nên khi nói đến một (SQL) ... Một SQLServer Database Hầu như mọi thứ trong SQLServer được tổ chức thành những objects ví dụ như tables, views, stored procedures, indexes, constraints Những system objects trong SQL Server...
... Implement a SQLServerDatabase 3.1. Cấu Trúc Của SQL Server Như đã trình bày ở các bài trước một trong những đặc điểm của SQLServer 2000 làMultiple-Instance nên khi nói đến một (SQL) Server nào ... Một SQLServer Database Hầu như mọi thứ trong SQLServer được tổ chức thành những objects ví dụ nhưtables, views, stored procedures, indexes, constraints Những system objects trong SQL Server ... Server hay khi ta disconnect. ã Model : Database ny úng vai trũ nh mt bảng kẻm (template) cho các database khác. Nghĩa là khi một user database được tạo ra thì SQLServer sẽ copy to n bộ cácsystem...
... ã The SQLServer Profiler can be used to monitor and record locking information. ã The Windows Performance Monitor has a SQLServer Locks Object counter that can be used to monitor lock ... underlying SQLServer database. Solution Use SQLServer locking hints from ADO.NET. The sample code contains three event handlers: Start Tran Button.Click Creates a SQL SELECT statement to retrieve ... command. SqlCommand cmd = new SqlCommand(sqlText, conn, tran); // Create the DataAdapter and CommandBuilder. SqlDataAdapter da = new SqlDataAdapter(cmd); SqlCommandBuilder cb = new SqlCommandBuilder(da);...
... if(updLockRadioButton.Checked) sqlText += "(UPDLOCK)"; else if(holdLockRadioButton.Checked) sqlText += "(HOLDLOCK)"; // Create connection. conn = new SqlConnection( ... monitor and record locking information. ã The Windows Performance Monitor has a SQLServer Locks Object counter that can be used to monitor lock activity. For more information about database ... managed internally by database software. A locking hint can be specified with SELECT, INSERT, DELETE, and UPDATE statements to instruct SQLServer as to the type of lock to use. You can use locking...
... LoadSQLServers(Me.lstSQLServers) End Sub 6. On the lstSQLServers list box, add the code in Listing 7.25 to the SelectedIndexChanged event. This routine toggles the btnDetach button, depending ... btnDetach button, add the code in Listing 7.27 to the Click event. After connecting to the server, the DetachDB method is called. Then the GetSQLDatabases routine is called to refresh the database ... Dim oSQLSvr As New SQLDMO.SQLServer() Dim strDetachMsg As String Try ' Connectto the server oSQLSvr.LoginSecure = True oSQLSvr .Connect( Me.lstSQLServers.SelectedItem) '...
... Team LiB ] Recipe 10.7 Creating a New SQLServerDatabase Problem You need to create a new database in your SQL Server. Solution Use the CREATE DATABASE statement. The sample code executes ... statement, the DROP DATABASE statement, or DDL, see Microsoft SQLServer Books Online. The solution for Oracle databases and other databases is similar to that shown for SQL Server although the ... using System.Data.SqlClient; // . . . StringBuilder sb = new StringBuilder( ); // SQL DDL command text to create database. String sqlText = "CREATE DATABASE MyDatabase ON PRIMARY...
... the SQL Servers LoadSQLServers(Me.lstSQLServers) End Sub 3. On the lstSQLServers list box, add the code in Listing 7.9 to the SelectedIndexChanged event. This routine calls both the GetSQLDatabases, ... ' Log on to the SQL Server. Dim osvr As SQLDMO.SQLServer = New SQLDMO.SQLServer() osvr.LoginSecure = True osvr .Connect( strSQLServer) lstBackupDevices.Items.Clear() ' ... a Given SQLServer Public Sub GetBackupDevices(ByVal strSQLServer As String, _ ByRef lstBackupDevices As ListBox) Dim oDevice As SQLDMO.BackupDevice ' Log on to the SQL Server. ...
... Constraints from a SQLServerDatabase Problem You need to programmatically define constraints in a DataSet and retrieve constraint information defined in a SQLServer database. Solution ... allows applications to continue to work properly if the system tables change in future releases of SQL Server. Information schema views provide an alternative to using system stored procedures ... ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); else if (foreignKeyRadioButton.Checked) da = new SqlDataAdapter(GETFOREIGNKEYCONSTRAINTS, ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]);...