... to connect to the // database, passing the connection string to the constructor SqlConnection mySqlConnection = Using a SqlConnection Object to Connect to a SQLServerDatabase You create ... to use a SqlConnection object to connect to a SQLServerdatabase */ using System; using System.Data; using System.Data.SqlClient; class MySqlConnection { public static void Main() ... when your Connection object is closed. You can also pass a connection string directly to the SqlConnection() constructor. For example: string connectionString = mySqlConnection.Close();...
... it. Closed The Connection is closed. Connecting The Connection is establishing accessto the database. Executing The Connection is running a command. Fetching The Connection is retrieving information ... 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 Console.WriteLine("Calling...
... StringWriter sw; // Create a connection and command for the update stored procedure. SqlConnection conn = new SqlConnection( ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); ... System.Windows.Forms; using System.Text; using System.IO; [ Team LiB ] 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 by executing a single stored procedure. Solution Use OpenXML with an XMLdocument representing a DataSet of the changes...
... second way is to 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 ... 1. You can open the 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. ... need to perform tasks that are beyond what you can accomplish in the Server Explorer, but this chapter will stick to VS .NET. Now it's time to see howto create some of the objects that actually...
... XT Server. For instruction howto export data such as the Contact List from the embedded databaseto a new database, see the Howto export Contact list from McKoi databaseto Microsoft SQL Server? ... System™ XT Server. Database sql file Microsoft SQLServer opn_mssql .sql My SQL opn_mysql .sql Oracle opn_oracle .sql Howto create a Microsoft SQLServerdatabase for the OPN System™ XT Server? ... and connect to the Microsoft SQL Server. Enter your Register Server information and click OK. 2. Right-click the Microsoft SQLServer icon and select Query Analyzer. Howto create a Microsoft...
... này c ng gây ảnh hưởng lên t c độ làm vi c của SQL Server. Trong cc hệ thống lớn người ta c thể dự đoán trư c kích thư c của database bằng c ch tính to n kích thư c của cc tables, đây c ng ... (system-level information) bao gồm thông tin về ccdatabase kh c trong hệ thống như vị trí c a cc data files, cc login account và cc thiết đặt c u hình h thng ca SQLServer (system configuration ... bộ cc system objects (tables, stored procedures ) từ Model database sang database mi va to. ã Msdb : Database ny đư cSQLServer Agent sử dụng để hoạch định cc báo động và cc công vi c cần...
... người ta c thể dự đoán trư c kích thư c của database bằng c ch tính to n kích thư c của cc tables, đây c ng chỉ là kích thư c ư c đoán mà thôi (xinxem "Estimating the size of a database& quot; ... : Cha tt c nhng thông tin c p hệ thống (system-level information) bao gồm thông tin về ccdatabase kh c trong hệ thống như vị trí c a cc data files, cc login account và cc thiết đặt c u ... hoạch định cc báo động và cc công vi c cần làm (schedule alerts and jobs). 3.2. C u Tr c Vật Lý C a Một SQLServer Database Mỗi một database trong SQLServer đều chứa ít nhất một data file chính...
... Recipe 6.14 Specifying Locking Hints in a SQLServerDatabase Problem You need to pessimistically lock rows in an underlying SQLServer database. Solution Use SQLServer locking hints from ADO.NET. ... Object counter that can be used to monitor lock activity. For more information about database locks, using locking hints, or monitoring database locks, see Microsoft SQLServer Books Online. ... different locking hints that you can use, categorized according to their function. Table 6-21. SQLServer locking hints for isolation level Locking hint Description HOLDLOCK Hold a shared lock until...
... instruct SQLServer as to the type of lock to use. You can use locking hints when you need control over locks acquired on objects. The SQLServer Optimizer automatically determines correct locking; ... lock manager. 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 ... if(updLockRadioButton.Checked) sqlText += "(UPDLOCK)"; else if(holdLockRadioButton.Checked) sqlText += "(HOLDLOCK)"; // Create connection. conn = new SqlConnection(...
... the Click event. After connecting to the server, the DetachDB method is called. Then the GetSQLDatabases routine is called to refresh the database list. Listing 7.27 frmHowTo7_5.vb: Detaching ... button to locate the database file to attach (see Figure 7.12.) Figure 7.12. Choosing the database file to attach. Select the file and click Open. To attach the file, click the Attach Database ... 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...
... statement—using the ExecuteNonQuery( ) method of the Command object to create a new database named MyDatabase inSQL Server. The C# code is shown in Example 10-7. Example 10-7. File: CreateServerDatabaseForm.cs ... ] Recipe 10.7 Creating a New SQLServerDatabase Problem You need to create a new databasein your SQL Server. Solution Use the CREATE DATABASE statement. The sample code executes the ... objects. Database objects are defined using DDL. The solution executes a DDL CREATE DATABASE statement to create a new database on a SQL Server. You can programmatically drop the database...
... osvr.BackupDevices lstBackupDevices.Items.Add(oDevice.Name) Next End Sub 5. On the btnBackup button, add the code in Listing 7.11 to the Click event. After connecting to the chosen SQL Server, ... intRowCount As Integer Dim intColCount As Integer ' Create a connection to the server Dim osvr As New SQLDMO.SQLServer() osvr.LoginSecure = True osvr.Connect(Me.lstSQLServers.SelectedItem) ... -Chapter 7 solution. From the main Windows form, click on the command button with the caption How- To 7.2. As with How- To 7.1, a user clicks on the SQLServer that he wants to display the databases...
... Listing 7.15 to the SelectedIndexChanged event. This routine calls both GetSQLDatabases, described in step 6 of How- To 7.1, and GetBackupDevices, described in step 4 of How- To 7.2. Listing ... the SQLServer for which he wants to display the databases. He can then choose the database and backup device. From there, the user can click the Restore button to restore the database. 1. Create ... btnRestore.Click ' Create a connection to the server Dim osvr As New SQLDMO.SQLServer() osvr.LoginSecure = True osvr.Connect(Me.lstSQLServers.SelectedItem) ' Create the restore...
... readingimages.”—Paul Martin Lester, “Syntactic Theory of VisualCommunication”Linear communication, linear thinking, linear problemsolving, linear note taking—these are not reflections of how our brain was designed ... just be curious about it at this point and look forward to your upcoming learning.Battle of the Brains17 these 11 words (including the word WORK ) comes to mind,draw a line connecting to the ... MAPPING8 IdeaMappingJamie NastJohn Wiley & Sons, Inc. Access Your Hidden Brain Power, Learn Faster,Remember More,and Achieve Success in Business How to IDEA MAPPING48Figure 3.5 Chapter...