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retrieving data from sql server database in xml format

Tài liệu Reading XML Data Directly from SQL Server doc

Tài liệu Reading XML Data Directly from SQL Server doc

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... xmlTextBox.Text = ds.GetXml( ); Discussion SQL Server 2000 introduced support for retrieving data in XML format using the FOR XML clause. The .NET SQL Server data provider SqlCommand ... used with SQL statements that return XML data, such as those with a FOR XML clause. The ExecuteXmlReader( ) method can also be used to return ntext data containing valid XML. For more information ... an ExecuteXmlReader( ) that allows you to retrieve an XML stream directly from SQL Server, where it returns an XmlReader that contains the results of the SQL query. The ExecuteXmlReader( )...
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Tài liệu Retrieving Database Schema Information from SQL Server pptx

Tài liệu Retrieving Database Schema Information from SQL Server pptx

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... nvarchar(128) Database name [ Team LiB ] Recipe 10.2 Retrieving Database Schema Information from SQL Server Problem You need to retrieve database schema information from a SQL Server database. ... constraint defined on them CONSTRAINT_TABLE_USAGE Tables that have a constraint defined on them DOMAIN_CONSTRAINTS User-defined data types with a rule bound to them DOMAINS All user-defined data ... following syntax: INFORMATION_SCHEMA.TABLES Table 10-1 lists the information schema views available in SQL Server 2000. Table 10-1. Information schema views Name Description CHECK CONSTRAINTS...
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Specifying Locking Hints in a SQL Server Database

Specifying Locking Hints in a SQL Server Database

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... to monitor lock activity. For more information about database locks, using locking hints, or monitoring database locks, see Microsoft SQL Server Books Online. [ Team LiB ] // . . . ... Unbind the table from the grid. dataGrid.DataSource = null; [ Team LiB ] Recipe 6.14 Specifying Locking Hints in a SQL Server Database Problem You need to pessimistically lock rows in ... rows in an underlying SQL Server database. Solution Use SQL Server locking hints from ADO.NET. The sample code contains three event handlers: Start Tran Button.Click Creates a SQL SELECT statement...
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Retrieve XML from SQL Server 2000

Retrieve XML from SQL Server 2000

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... BuildCnnStr(ByVal strServer As String, ByVal strDatabase As String) As String 12.4 Retrieve XML from SQL Server 2000 Sometimes I have to pull data from my SQL Server database into an XML document format. ... hyperlink with the caption How-To 12.4: Retrieving XML from SQL Server 2000. When the page loads, you will see an example of a T -SQL statement that retrieves data from SQL Server 2000 in an XML format. ... read from SQL Server in an XML format. Comments Normally, you would be taking the XML document that the command object returned and passing that on to another system that requires the data...
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Tài liệu Specifying Locking Hints in a SQL Server Database doc

Tài liệu Specifying Locking Hints in a SQL Server Database doc

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... Windows Performance Monitor has a SQL Server Locks Object counter that can be used to monitor lock activity. For more information about database locks, using locking hints, or monitoring database ... get information about database locks: ã The system stored procedure sp_lock returns a result set containing all active locks. ã The syslockinfo table in the master database contains information ... Unbind the table from the grid. dataGrid.DataSource = null; data structures used internally by the lock manager. ã The SQL Server Profiler can be used to monitor and record locking information....
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Tài liệu Retrieving Column Default Values from SQL Server pdf

Tài liệu Retrieving Column Default Values from SQL Server pdf

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... schema and data. SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM Orders", ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); DataTable ordersTable = new DataTable(ORDERS_TABLE); ... and constants using System; using System.Configuration; using System.Text; using System .Data; using System .Data. SqlClient; // . . . StringBuilder result = new StringBuilder( ); // ... determine whether it begins with the word DEFAULT indicating a default constraint. For default constraints, the column name is the string following the word column in the constraint_type column. Once...
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Design and Implement a SQL Server Database

Design and Implement a SQL Server Database

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... một (SQL) Server nào đó là ta nói đến một Instance của SQL Server 2000, thông thường đó là Default Instance. Một Instance của SQL Server 2000 có 4 system databases và mt hay nhiu user database. ... trong SQL Server ta có các loại Integer như : tinyint, smallint, int, bigint. Trong đó kích thước từng loại tương ứng là 1,2,4,8 bytes. Nghĩa là loại smallint tương đương với Integer và loại int ... (template) cho các database khác. Nghĩa là khi một user database được tạo ra thì SQL Server sẽ copy toàn bộ các system objects (tables, stored procedures ) từ Model database sang database mi va...
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Design and Implement a SQL Server Database

Design and Implement a SQL Server Database

Kỹ thuật lập trình

... ta nói đến một Instance của SQL Server 2000, thông thường đó là Default Instance. Một Instance của SQL Server 2000có 4 system databases và một hay nhiều user database. Các system databases bao ... Implement a SQL Server Database 3.1. Cấu Trúc Của SQL Server Như đã trình bày ở các bài trước một trong những đặc điểm của SQL Server 2000 làMultiple-Instance nên khi nói đến một (SQL) Server nào ... trong SQL Server ta có các loại Integer như : tinyint, smallint,int, bigint. Trong đó kích thước từng loại tương ứng là 1,2,4,8 bytes. Nghĩa là loạismallint tương đương với Integer và loại int...
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Using a SqlConnection Object to Connect to a SQL Server Database phần 1

Using a SqlConnection Object to Connect to a SQL Server Database phần 1

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... to a SQL Server database */ using System; using System .Data; using System .Data. SqlClient; class MySqlConnection { public static void Main() { // formulate a string containing the ... follows: mySqlConnection.ConnectionString = server= localhost ;database= Northwind;uid=sa; mySqlConnection.ConnectionTimeout = 15 mySqlConnection .Database = Northwind mySqlConnection.DataSource ... // database connection string connectionString = " ;server= localhost ;database= Northwind;uid=sa;pwd=sa"; // create a SqlConnection object to connect to the // database, passing...
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Tài liệu Using a SqlConnection Object to Connect to a SQL Server Database phần 2 doc

Tài liệu Using a SqlConnection Object to Connect to a SQL Server Database phần 2 doc

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... closed. Connecting The Connection is establishing access to the database. Executing The Connection is running a command. Fetching The Connection is retrieving information from the database. Open ... produce information and error messages using the SQL Server PRINT or RAISERROR statements, which are described in Chapter 4, "Introduction to Transact- SQL Programming." The following InfoMessageHandler() ... Open Calling mySqlConnection.Close() mySqlConnection State has changed from Open to Closed The InfoMessage Event The InfoMessage event fires when the database returns a warning or information...
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Tài liệu Reading and Writing Binary Data with SQL Server doc

Tài liệu Reading and Writing Binary Data with SQL Server doc

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... using System; using System.Configuration; using System.Drawing; using System.Windows.Forms; using System.IO; using System .Data; using System .Data. SqlClient; private const String ... connection. SqlConnection conn = new SqlConnection( ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); // Create the command to retrieve the image from the database. String sqlText ... Update the data and image to the database. // Get the ID for the record from the binding manager. int Id = (int)ds.Tables[TABLENAME].Rows[bm.Position]["ID"]; String sqlWrite =...
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Tài liệu Retrieving Data from an Oracle Package ppt

Tài liệu Retrieving Data from an Oracle Package ppt

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... defined in the package header. A REF CURSOR is an Oracle data type that points into a result set returned by a query. A REF CURSOR differs from a normal cursor in that while a cursor points ... is shown in Example 2-29. Example 2-29. File: OracleRefCursorsForm.cs // Namespaces, variables, and constants using System; using System.Text; using System .Data; using System .Data. OracleClient; ... // Create the DataAdapter and table mappings. OracleDataAdapter da = new OracleDataAdapter(cmd); da.TableMappings.Add("Table", "ORDERS"); da.TableMappings.Add("Table1",...
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Tài liệu To create a Microsoft SQL Server database for OPN Systemô XT Server pptx

Tài liệu To create a Microsoft SQL Server database for OPN Systemô XT Server pptx

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... of the MySQL database machine) Port: <3306> (default MySQL port) Database: (left blank / database is created via the opn_mysql .sql script) How to create a Microsoft SQL Server database ... to create a Microsoft SQL Server database for the OPN System™ XT Server? 8 Connecting to MySQL database When you connect to the MySQL database using the Aqua Data Studio, you need ... Microsoft SQL Server database for all database selections. How to create a Microsoft SQL Server database for the OPN System™ XT Server? 3 Step 3: Run the opn_mssql .sql on Microsoft SQL...
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Tài liệu Create a Detach/Attach SQL Server Database Dialog Box ppt

Tài liệu Create a Detach/Attach SQL Server Database Dialog Box ppt

Cơ sở dữ liệu

... 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 a SQL Server Database ... depending on whether a SQL Server and database has been selected. It then calls GetSQLDatabases, described in step 6 of How-To 7.1. Listing 7.25 frmHowTo7_5.vb: Populating the lstDatabases List Boxes ... Dim oSQLSvr As New SQLDMO.SQLServer() Dim strAttachMsg As String Try oSQLSvr.LoginSecure = True oSQLSvr.Connect(Me.lstSQLServers.SelectedItem) ' Attach the database...
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Tài liệu Getting an Identity Column Value from SQL Server pptx

Tài liệu Getting an Identity Column Value from SQL Server pptx

Kỹ thuật lập trình

... Value from SQL Server Problem When you add a row into a SQL Server table that has an identity column, the value assigned to the column in the DataTable is replaced by a value generated by the database. ... updated from the data source to the row matching column names, taking into account any column mappings that might be in place. You can also apply the FirstReturnedRecord when using a batch SQL ... statement. Replace the InsertCommand command constructor for the DataAdapter with the following code: // Create the insert command for the DataAdapter. String sqlText="INSERT Categories(CategoryName,...
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