using flashback data archive to access historical data
Using a DataGrid Control to Access a Database
Ngày tải lên :
07/11/2013, 10:15
... Close button to close the Data Adapter 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 ... your DataSet to be displayed in your DataGrid To set the DataSource property, you perform the following steps: Click your DataGrid object and set the DataSource property to dataSet11.Customers ... DataSet object named dataSet11 to your form Next, you'll need to set the DataSource property of your DataGrid to your DataSet object This sets the source of the data for your DataGrid, allowing...
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Module 4: Using ADO to Access XML Data
Ngày tải lên :
22/10/2013, 16:15
... ADO-based data access solutions to retrieve data from the Northwind Traders database Estimated time to complete this lab: 15 minutes 18 Module 4: Using ADO to Access XML Data Exercise Retrieving XML Data ... Data Island Use XML-aware browsers to process XML data on the client A common technique is to store the data in an XML data island on the Web page, and bind data controls to the XML data by using ... Using ADO to Access XML Data 31 Best Practices Topic Objective To identify best practices for using ADO to retrieve XML data Lead-in Keep in mind the following best practices when using ADO to...
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Module 3: Using ADO.NET to Access Data
Ngày tải lên :
27/10/2013, 07:15
... Module 3: Using ADO.NET to Access Data Using DataViews Topic Objective To explain the role of DataViews in accessing data from a database by using DataSets Lead-in To access data from a DataSet, ... 12 Module 3: Using ADO.NET to Access Data # Accessing Data With DataSets Topic Objective To introduce the topics included in the section ! Using DataSets to Read Data Lead-in ! Storing Multiple ... PURPOSES ONLY Module 3: Using ADO.NET to Access Data Animation: Using ADO.NET to Access Data Topic Objective To provide a high-level overview of how to access data by using ADO.NET Lead-in In...
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Module 5: Using HTTP to Access XML Data
Ngày tải lên :
04/11/2013, 13:15
... “virtual root” both refer to an IIS virtual directory 2 Module 5: Using HTTP to Access XML Data Enabling HTTP Access to SQL Databases Topic Objective To introduce the topics in this section Lead-in ... 5: Using HTTP to Access XML Data Web sites Many Web sites are used primarily to publish data Allowing access to a SQL Server database through a virtual directory makes it possible to publish data ... 2000 data sources You will also learn how to use a Uniform Resource Locator (URL) query to test a virtual directory Module 5: Using HTTP to Access XML Data Publishing SQL Server Data over HTTP Topic...
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Tài liệu Using Transaction Isolation Levels to Protect Data doc
Ngày tải lên :
14/12/2013, 18:16
... table with Orders DataTable dt = new DataTable( ); da.Fill(dt); // Bind the default view of the table to the grid dataGrid.DataSource = dt.DefaultView; cancelButton.Enabled = true; dataGrid.ReadOnly ... SqlCommand(sqlText, conn, tran); // Create a DataAdapter to retrieve all Orders SqlDataAdapter da = new SqlDataAdapter(cmd); // Define a CommandBuilder for the DataAdapter SqlCommandBuilder cb = new ... connection tran.Rollback( ); conn.Close( ); // Unbind the grid dataGrid.DataSource = null; startButton.Enabled = true; } private void UsingLockingHintsForPessimisticLockingForm_Closing( object sender,...
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Tài liệu Using the Data Form Wizard to Create a Windows Form phần 1 pdf
Ngày tải lên :
24/12/2013, 01:17
... your DataSet, as shown in Figure 6.19 Figure 6.19: Entering the name of the new DataSet Click the Next button to go to the next step You must now choose a data connection to access the database ... as MyDataForm.cs, and click Open (see Figure 6.18) You'll then see the welcome page for the Data Form Wizard Figure 6.18: Adding a data form using the Data Form Wizard Click the Next button to ... Choosing the data connection Click the Next button to continue You now log in to the database by specifying the password for the database user You used the sa user when creating the database connection...
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Tài liệu Using the Data Form Wizard to Create a Windows Form phần 2 doc
Ngày tải lên :
24/12/2013, 01:17
... customer When you move to the next row in the Customers table, the rows from the Orders table for that customer are automatically displayed in the DataGrid Feel free to try out the other buttons ... your form access the columns in the Customers table Data Binding Each text-box control in the upper part of your form is bound to a column in the Customers table using a process known as data binding ... from Figure 6.27, editCustomerID is bound to the CustomerID column of the Customers table This means that when you run the form and load data from the database, the CustomerID column value will...
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Tài liệu Using the Shape Language to Retrieve Hierarchical Data doc
Ngày tải lên :
24/12/2013, 05:15
... hierarchies to be constructed Shaping is an alternative to JOIN and GROUP BY syntax that you can use to access parent/child data and associated summary data The connection string using data shaping ... in the data reader with a data type of Object that is a DataReader Hierarchical result sets combine the results for multiple queries into a single structure They are generated using the Data Shaping ... shown here: Provider=MSDataShape ;Data Provider=SQLOLEDB ;Data Source=(local); Initial Catalog=Northwind;Integrated Security=SSPI; For more information about data shaping or the MSDataShape provider,...
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báo cáo hóa học: "Using hierarchical clustering methods to classify motor activities of COPD patients from wearable sensor data" pdf
Ngày tải lên :
19/06/2014, 10:20
... accelerometer data across motor tasks For instance, data related to cycling are noticeably different from data related to level-walking On the other hand, more subtle differences mark accelerometer data ... of data points in the cluster corresponding to the ith task, xi denotes a data point contained in Xi (i.e a vector of feature values derived from one epoch of sensor data) , |Xi| the number of data ... recent work on using accelerometers to monitor motor activities in the laboratory and field In particular, we focused on Mathie et al's [2] hierarchical framework as a useful way to formulate Page...
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báo cáo khoa học: " Assessing the contribution of alternative splicing to proteome diversity in Arabidopsis thaliana using proteomics data" docx
Ngày tải lên :
11/08/2014, 11:20
... is to assess whether the predicted contribution of AS to the proteome diversity in A thaliana, as based on transcriptomics data, is indeed observed at the proteome level We limited our study to ... AS on proteome diversity have thus far mainly been performed using indirect evidence from transcriptomics data Data that can be used to directly assess this impact is increasingly being provided ... addition, these peptides have to map according to a specific set of rules that differs per AS event type (Additional file 1, Figure S1) Due to the preference of trypsin to cleave after K- and R-residues...
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Spectral analysis of total ozone column variability using TOMS data over Baghdad, Iraq
Ngày tải lên :
05/09/2013, 15:28
... cities in India, due to which the ozone trend is found to increase during the short period of 1996 – 2000 using ground data and Nimbus-7 Total Ozone Mapping Spectrometer (TOMS) data Demirhan etal ... deal with analysis of TOC data measured by TOMS for the period (1997 – 2008) over Baghdad, Iraq Data, methodology and Iraq climate state Total Ozone Mapping Spectrometer (TOMS) instrument were ... this work TOC data for the period January 1997 to December 2008 were collected from TOMS instrument on broad Earth Probe (EP) missions for Baghdad city (lat 33.35o N, long 44.45o E) TOMS data are...
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Using a SqlConnection Object to Connect to a SQL Server Database phần 1
Ngày tải lên :
07/11/2013, 10:15
... /* MySqlConnection.cs illustrates how to use a SqlConnection object to connect to a SQL Server database */ using System; using System .Data; using System .Data. SqlClient; class MySqlConnection ... connection pooling */ using System; using System .Data; using System .Data. SqlClient; class ConnectionPooling { public static void Main() { // create a SqlConnection object to connect to the database, // ... list of users to see if you have permission to access the database (For further details on integrated security, consult the SQL Server Books Online documentation.) You've now seen how to create a...
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Tài liệu Using a SqlConnection Object to Connect to a SQL Server Database phần 2 doc
Ngày tải lên :
14/12/2013, 13:15
... StateChange.cs illustrates how to use the StateChange event */ using System; using System .Data; using System .Data. SqlClient; class StateChange { // define the StateChangeHandler() method to handle the // StateChange ... InfoMessage.cs illustrates how to use the InfoMessage event */ using System; using System .Data; using System .Data. SqlClient; class InfoMessage { // define the InfoMessageHandler() method to handle the // InfoMessage ... of using the State property would be to check if your Connection object is currently open before calling its Open() method You might need to that if you have a complex application and you're using...
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Tài liệu Executing a SQL Server Stored Procedure By Using ActiveX Data Objects doc
Ngày tải lên :
14/12/2013, 20:16
... the Command object This is to the use just those records that are needed In this case, the GetString method is used to assign it to the results text box If you are using a bulk query, shown in ... shown in the next section, you would use the Execute method To see the routine in A.8 executed, click on the button with the caption Stored Procedure with Parameter, located on the frmMain form ... prm = cmd.CreateParameter("CustomerID", ADODB.DataTypeEnum.adChar, ADODB.ParameterDirectionEnum.adParamInput, 5) cmd.Parameters.Append(prm)...
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Tài liệu Connecting to Access and Oracle Databases docx
Ngày tải lên :
24/12/2013, 01:17
... from an Access database Listing 1.2: OLEDBCONNECTIONACCESS.CS /* OleDbConnectionAccess.cs illustrates how to use an OleDbConnection object to connect to an Access database */ using System; using ... you to connect to a database over a network You'll need to speak with your DBA to get the Oracle Net service name username Specifies the name of the database user you want to connect to the database ... how to connect to the Northwind Access database using an OleDbConnection object and retrieve a row from the Customers table Notice that you use an OleDbCommand and OleDbDataReader object to run...
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Tài liệu Bind Data to ComboBox and DataGrid Controls doc
Ngày tải lên :
24/12/2013, 06:17
... Label1 Text "Customers to List Orders For:" Name cboCustomers DataSource dsCustomerList.Customers DisplayMember CompanyName ValueMember CustomerID Name dgOrders DataSource dgOrdersForCustomer.Orders ... Name Setting odaCustomerList SelectCommand OleDbSelectCommand1 CommandText Name dsCustomerList DataSetName DataSet SELECT CustomerID, CompanyName FROM Customers dsCustomerList OleDataAdapter Name ... Orders for customer dataset Me.dsOrdersForCustomer.Clear() '- Check to see if an item was selected If Me.cboCustomers.SelectedIndex -1 Then '- Store the selected customer ID into the parameter...
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Tài liệu Using the Data Link Properties Dialog Box ppt
Ngày tải lên :
26/01/2014, 10:20
... Discussion COM interop can open a Data Link Properties dialog box allowing a user to select an OLE DB provider and set its properties You can use the results programmatically to construct the connection...
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Tài liệu Using XSD Schema Files to Load and Save a DataSet Structure pptx
Ngày tải lên :
26/01/2014, 10:20
... void writeSchemaButton_Click(object sender, System.EventArgs e) { DataSet ds = new DataSet( ); SqlDataAdapter da; // Fill the Order table and add it to the DataSet da = new SqlDataAdapter("SELECT ... of the Orders table to the grid resultDataGrid.DataSource = ds.Tables[ORDERS_TABLE].DefaultView; // Write the XSD schema to a file // Display file dialog to select XSD file to write SaveFileDialog ... FileMode.Open, FileAccess.Read); // Create an XmlTextReader using the file stream XmlTextReader xtr = new XmlTextReader(fs); try { // Read the schema into the DataSet DataSet ds = new DataSet( ); ds.ReadXmlSchema(xtr);...
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Tài liệu Báo cáo khoa học: "Supervised Grammar Induction using Training Data with Limited Constituent Information *" docx
Ngày tải lên :
20/02/2014, 19:20
... (at most one stop) (I) want to take (the flight) with (at most one) stop (I) want to take ((the flight) with (at most one stop)) (I (want (to (take (the flight (with (at most one stop))))))) I ... increases To take this factor into account, we perform our experiments 74 Categories Labeled Sentence HighP BaseNP BaseP AllNP NotBaseP (I want (to take (the flight with at most one stop))) (I) want to ... is simply to make use of any existing labeled data We hope that pretraining the grammars on these data might place them in a better position to learn from the new, sparsely labeled data In the...
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Using Oracle Data Storage Structures Efficiently pptx
Ngày tải lên :
06/03/2014, 17:20
... Copyright © Oracle Corporation, 2002 All rights reserved Data Access Methods To enhance performance, you can use the following data access methods: • Clusters • Indexes • B-tree (normal or reverse ... After completing this lesson, you should be able to the following: • Compare and evaluate the different storage structures • Examine different data access methods • Implement different partitioning ... rights reserved Composite Partitioned Table Overview • • • • • • 14-16 Ideal for both historical data and data placement Provides high availability and manageability, like range partitioning Improves...
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