using a jdbc template to update a database

UNIT 5. DATABASE MANAGEMENT SYSTEMS LESSON 2. USING A DATABASE FOR DOCUMENT RETRIEVALNOTE pot

... dynamic taxonomies Using metadata HTML and PDF formats, with open standard graphics Click on your answers Database management systems - Using a database for document retrieval - page Using a database ... know that an instance of a 'technical document' can have a title and subject Database management systems - Using a database for document retrieval - page 10 Metadata search We can implement an indexed ... database ) http://jakarta.apache.org/lucene Database management systems - Using a database for document retrieval - page Full Text Search Some features of indexed text search engines are language-dependent,...

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UNIT 5. DATABASE MANAGEMENT SYSTEMS LESSON 3. USING A DATABASE FOR DOCUMENT MANAGEMENTNOTE pptx

Danh mục: Cơ sở dữ liệu

... everything in the database Database management systems - Using a database for document management - page Using a database for management There are advantages to using systems that manage both document ... the same database System Document Meta Data Document Documents Database Using a database for management It is often easier to create a system which manages metadata in the database and points to ... - page Using a database for management If you decide to use a database, you have to know that there are two main ways in which it can manage metadata: Users Management 1) managing metadata in...

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Báo cáo hóa học: "Adaptive DOA Estimation Using a Database of PARCOR Coefﬁcients" docx

Danh mục: Báo cáo khoa học

... estimation accuracy and the database size is achieved While θi takes values in the range [0, π), σi2 may take a very large value The straightforward quantisation of σi2 signiﬁcantly increases ... Iiguni, and H Maeda, “New approach to adaptive DOA estimation based upon a database retrieval technique,” IEICE Transactions on Communications, vol E83-B, no 12, pp 2694–2701, 2000 [11] I Setiawan and ... successively store the pairs of {(ρ(m), θ(m))}M=1 into the m database If the database has already stored the same PARCOR vector as the current one, we delete it We denote the number of data sets which are...

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Tài liệu Using a Single Stored Procedure to Update Multiple Changes to a SQL Server Database pdf

Danh mục: Kỹ thuật lập trình

... The stored procedure SP0811 _Update is called to update the database with the batched changes Example 8-16 Stored procedure: SP0811 _Update ALTER PROC SP0811 _Update @data ntext = null, @datadelete ... schema and data for the table da.FillSchema(ds, SchemaType.Source, TABLENAME); da.Fill(ds, TABLENAME); // Columns in XML representation of data as attributes foreach(DataColumn col in ds.Tables[TABLENAME].Columns) ... System.EventArgs e) { ds = new DataSet( ); // Create the DataAdapter SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM " + TABLENAME, ConfigurationSettings.AppSettings["Sql_ConnectString"]); // Load...

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Using a DataGrid Control to Access a Database

Danh mục: Kỹ thuật lập trình

... Preview dialog box Next, you need to create a DataSet object You use a DataSet object to a store local copy of the information stored in the database A DataSet object can represent database structures ... Northwind database; you might need to get the password from your database administrator) Drill down to the Customers table in the Northwind database and drag it to your form This creates a SqlConnection ... Next, add another button that will allow you to save any changes you make to the rows in the DataGrid: Go ahead and add another button and set the Text property of this button to Update Double-click...

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

Danh mục: Kỹ thuật lập trình

... ADO.NET automatically stores database connections in a pool Connection pooling offers a great performance improvement because you don't have to wait for a brand new connection to the database to be ... Server database */ using System; using System.Data; using System.Data.SqlClient; class MySqlConnection { public static void Main() { // formulate a string containing the details of the // database ... SQL Server and use those credentials to connect to the database This saves you from providing a separate username and password to SQL Server You can use integrated security in your program by specifying...

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

Danh mục: Kỹ thuật lập trình

... SqlConnection("server=localhost ;database= Northwind;uid=sa;pwd=sa"); // monitor the StateChange event using the StateChangeHandler() method mySqlConnection.StateChange += new StateChangeEventHandler(StateChangeHandler); ... example defines a method named StateChangeHandler to handle the StateChange event You'll notice that the second parameter to this method is a StateChangeEventArgs object You get the original ... state of the connection to the database The State property returns a constant from the ConnectionState enumeration Note An enumeration is a list of numeric constants, each of which has a name...

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Tài liệu Use a Single Windows Form to Update Multiple Lookup Tables Just about every database application pptx

Danh mục: Cơ sở dữ liệu

... the data grid ' saves a bunch of hassles trying to track the data table directly dtFromGrid = CType(dgTableData.DataSource, DataTable) ' Commands necessary to actually post back to server modaLookupData .Update( dtFromGrid) ... Update the data adapter and data table to reflect the new data, ' and reassign the data source of the data grid modaLookupData = New OleDb.OleDbDataAdapter("Select * From " & Me.lstLookupTables.Text, ... modaLookupData.Fill(dtData) Me.dgTableData.DataSource = dtData Catch excData As Exception MessageBox.Show(excData.Message) End Try End Sub On the btnUpdate button, add the code in Listing 8.11 to...

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Accessing a database using visual studio NET

Danh mục: Kỹ thuật lập trình

... connected to the database, you can view things such as the tables You can also retrieve and modify rows in the tables You can drill down to the tables in the database by clicking the Add icon ... Entering a SQL statement You can build SQL statements visually by clicking the Show Diagram button in the toolbar and selecting columns from the table, as shown in Figure 3.29 As you can see, ... selected the ContactName, CompanyName, and CustomerID columns from the Customers table Figure 3.29: Building a SQL statement visually You can view the properties of a column in a table by clicking...

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A New Technique Using Headspace Gas Monitoring to Determine Carbon Source Addition in a BNR Process

Danh mục: Môi trường

... the basis of tests using the same batch of sludge sample Acetate and VFAs concentrations were verified using a Hewlett-Packard® 588 0A gas chromatograph, equipped with a flame ionization detector ... profile of TAD supernatant and NaAc addition Observed CO2 evolution rates were similar in both cases, and the TAD supernatant VFA estimations are shown in Table Estimations showed a substantial overestimation, ... Reading (V) Figure Carbon dioxide sensor calibration with air samples TAD operation A pilot-scale, single-stage TAD (75L) equipped with a Turborator® aerator (Turborator® Technologies Inc.) was...

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Use a Single Web Form to Update Multiple Lookup Tables

Danh mục: Cơ sở dữ liệu

... the DataAdapter and CommandBuilder objects are created to remove the data row from the data table and reflect the changes back to the server The data grid is also re-bound to the data table, and ... builder to update (post) the data ' in the data grid ' back to the server Dim odaTableData As OleDb.OleDbDataAdapter Me.txtError.Text = "" Try ' Take the txtSQLString text and create a data table ... list, a Select statement is generated and loaded into a data adapter, which fills a data table This, in turn, is used for the data source of the data grid, and the DataBind method is called The data...

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Tài liệu Accessing a Database Using Visual Studio .NET ppt

Danh mục: Kỹ thuật lập trình

... connected to the database, you can view things such as the tables You can also retrieve and modify rows in the tables You can drill down to the tables in the database by clicking the Add icon ... Entering a SQL statement You can build SQL statements visually by clicking the Show Diagram button in the toolbar and selecting columns from the table, as shown in Figure 3.29 As you can see, ... selected the ContactName, CompanyName, and CustomerID columns from the Customers table Figure 3.29: Building a SQL statement visually You can view the properties of a column in a table by clicking...

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Tài liệu Using a DataView to Control Edits, Deletions, or Additions in Windows Forms pdf

Danh mục: Quản trị mạng

... adding, editing, or deleting the data in the control Binding a DataGrid to a DataTable binds to the default view of the underlying DataTable The DataView class represents a view of the DataTable ... SqlDataAdapter da = new SqlDataAdapter("SELECT * FROM Orders", ConfigurationSettings.AppSettings["Sql_ConnectString"]); DataTable dtOrders = new DataTable("Orders"); da.FillSchema(dtOrders, SchemaType.Source); ... using System.Data; using System.Data.SqlClient; private DataView dv; // private void ControlDataEditWithDataViewForm_Load(object sender, System.EventArgs e) { // Fill the Order table SqlDataAdapter...

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Tài liệu Updating a Database Using a DataSet doc

Danh mục: Kỹ thuật lập trình

... the DataTable and TableAdapter are generated, notice that the wizard automatically detects that the Suppliers and Products table have a relationship in the database and creates a Relation that ... is marked as the primary key of the table in the database (primary key values should never be updated as they are used to identify a row in the database) Try typing an invalid value into a cell—type ... DataGridView control are automatically copied back to the DataSet acting as the data source for the control Saving changes made to the data involves reconnecting to the database, performing any required...

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Tài liệu Storing XML to a Database Field doc

Danh mục: Kỹ thuật lập trình

... private void sampleXmlButton_Click(object sender, System.EventArgs e) { DataSet ds = new DataSet( ); // Fill the Categories table and add it to the DataSet SqlDataAdapter da = new SqlDataAdapter("SELECT ... the database using the DataAdapter da .Update( dt); } private void readButton_Click(object sender, System.EventArgs e) { // Load the ID into variable from text box int id = 0; try { id = Int32.Parse(idTextBox.Text); ... System; using System.Configuration; using System.Windows.Forms; using System.IO; using System.Xml; using System.Data; using System.Data.SqlClient; private DataTable dt; private SqlDataAdapter da;...

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Tài liệu Filling a DataSet Using an XML Template Query ppt

Danh mục: Kỹ thuật lập trình

... CreateParameter( ) Creates a SqlXmlParameter object used to pass parameters to a command using the Name and Value properties ClearParameters( ) Clears SqlXmlParameter objects for a command Table ... cmd.CreateParameter( ); param.Name = "@CustomerID"; param.Value = customerId; // Create the DataSet DataSet ds = new DataSet( ); // Create the SQL XML DataAdapter SqlXmlAdapter da = new SqlXmlAdapter(cmd); ... of customers into a table SqlDataAdapter da = new SqlDataAdapter(sqlText, ConfigurationSettings.AppSettings["Sql_ConnectString"]); DataTable table = new DataTable("Customers"); da.Fill(table);...

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Tài liệu Adding Tables to a Database pdf

Danh mục: Kỹ thuật lập trình

... create a table in the database and a primary key on the new table in a SQL Server database You can programmatically drop a table using the DROP TABLE statement in a similar way To drop the table ... Management Language (DML) Used to manipulate—select, insert, update, and delete—data in the database objects Database objects are defined using DDL The solution executes a DDL CREATE TABLE statement to ... syntax for each database varies slightly because of differences in database server capabilities and architecture For example, the CREATE TABLE statement for Oracle is different because Oracle...

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Tài liệu Using XSD Schema Files to Load and Save a DataSet Structure pptx

Danh mục: Kỹ thuật lập trình

... System.EventArgs e) { DataSet ds = new DataSet( ); SqlDataAdapter da; // Fill the Order table and add it to the DataSet da = new SqlDataAdapter("SELECT * FROM Orders", ConfigurationSettings.AppSettings["Sql_ConnectString"]); ... ConfigurationSettings.AppSettings["Sql_ConnectString"]); DataTable orderTable = new DataTable(ORDERS_TABLE); da.FillSchema(orderTable, SchemaType.Source); da.Fill(orderTable); ds.Tables.Add(orderTable); // Fill the OrderDetails table and add it to ... the DataSet da = new SqlDataAdapter("SELECT * FROM [Order Details]", ConfigurationSettings.AppSettings["Sql_ConnectString"]); DataTable orderDetailTable = new DataTable(ORDERDETAILS_TABLE); da.FillSchema(orderDetailTable,...

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Tài liệu Do Firms Want to Borrow More? Testing Credit Constraints Using a Directed Lending Program doc

Danh mục: Ngân hàng - Tín dụng

... Indian banking industry, Sankarnaranayan for his work collecting the data, Dean Yang and Niki Klonaris for excellent research assistance, and Robert Barro, Sugato Battacharya, Gary Becker, Shawn ... Niki Klonaris for excellent research assistance, and Robert Barro, Sugato Battacharya, Gary Becker, Shawn Cole, Ehanan Helpman, Sendhil Mullainathan, Kevin Murphy, Raghuram Rajan and Christopher ... the sample where we observe a change in loans 25 constrained and access to market capital increases very fast as a function of access to bank capital, to the point where total capital stock goes...

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Tài liệu Báo cáo khoa học: "Using Automatically Transcribed Dialogs to Learn User Models in a Spoken Dialog System" doc

Danh mục: Báo cáo khoa học

... future applications, such as continuous learning of a user model while the dialog system is on-line, enabling automatic adaptation References −5 Truth Manual EM Automatic −6 −7 −8 Manual EM Automatic ... estimate using automatically transcribed data, i.e., θasu = e KD P as D e a Kas This approach ignores transcription errors and assumes that user behavior depends only on the observed data EM: ... which is the actual parameter θ used to generated the data The EM method has to estimate a larger number of parameters than the Automatic method (1344 vs 168) But as Figure shows, after observing...

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