14 using subqueries to define unknown 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 ... 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...

Ngày tải lên: 22/10/2013, 16:15

... “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 ... 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 ... 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...

Ngày tải lên: 04/11/2013, 13:15

... alternatives to LINQ to DataSet LINQ to Entities, discussed in Chapter 19, Using LINQ to Entities,” can process external data without the need to load full tables into memory Querying with LINQ to DataSet: ... LINQ to DataSet, using ADO.NET DataTable objects in LINQ queries is identical to using standard collection objects The first step involves converting a data table to its enumerable equivalent using ... valid data before you make the query When dealing Chapter 18  Using LINQ to DataSet 309 with data from external sources, you must bring any data you plan to include in a LINQ query into the...

Ngày tải lên: 03/10/2013, 00:20

... 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...

Ngày tải lên: 07/11/2013, 10:15

... intended to contain data Their presence is sufficient to convey meaning, as shown in the following example: 10 Module 9: Using XML to Exchange Data The ... observed when using XML to exchange data ix THIS PAGE INTENTIONALLY LEFT BLANK Module 9: Using XML to Exchange Data # Overview ! Introduction to XML ! Validating XML Documents ! Using the Document ... XML defines a generic mechanism for adding tagged information to character data This extra information can help to convey additional context, or metadata, or it can define the structure of the data...

Ngày tải lên: 21/12/2013, 19:15

... 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,...

Ngày tải lên: 24/12/2013, 05:15

... the topics "Guidelines for Using XPath Queries" and "Using XPath Queries." In NET, the DataSet is synchronized with the XmlDataDocument As a result, in some cases XML services can be used to access ... access the XmlDataDocument to perform certain functionality more conveniently than could be accomplished using the DataSet directly To execute an XPath query against the contents of a DataSet, call ... Orders and Order Details data If the Nested property were false, you'd have to use a second XPath query to retrieve the Order Details data from the XMLDataDocument for the DataSet [ Team LiB ] ...

Ngày tải lên: 26/01/2014, 10:20

... you how to use Visual Basic.NET and several quantitative tools to begin development of some trading strategies and to analyze data, and we will share some ideas about how to connect to industry ... to list steps and milestones that are progressing as planned Blue text is used to show steps and milestones that have been completed Red text is used to show steps and milestones that have stopped ... SECTION THREE Database Programming: Back Testing 185 11 12 13 14 15 Relational Databases 187 ADO.NET 201 Structured Query Language 219 Introduction to Data Structures 243 Advanced Data Structures...

Ngày tải lên: 23/04/2014, 16:19

... large volume database To generate automated reports for human view INTRODUCTION TO OLAP INTRODUCTION TO OLAP  Why we need OLAP ? • • • Increasing data storage Data versus Information Data layout ... mining Data Marts Data Sources Data Storage OLAP Engine Front-End Tools 21 DATA WAREHOUSE  Applications of data warehouses  Data Mining  Web Mining  Decision Support Systems (DSS) 22 DATA WAREHOUSE ... easier to write 20 Data warehousing architecture Monitor other DBs OLAP Server Integrator sources Operational & Metadata Analysis Extract Transform Load Refresh Data Serve Query Reports Warehouse Data...

Ngày tải lên: 14/09/2015, 18:51

... 461-476, 2008 IEEE 14 bus test system data [online] Avalable: http://www.ee.Washington.edu/research/pstca/ pf14/pgtca 14 bus.htm J Baskaran, V Palanisamy, “Genetic Algorithm to optimal location ... Table Complex power line in IEEE -14 bus system Line No From Bus 1 2 To Bus 5 Line limit 0.6 1 0.6 1.2 0.4 Line No 10 11 12 13 14 From Bus 10 12 13 6 To Bus 11 13 14 11 12 13 10 Line limit 1.5 0.4 ... large constant positive constant M is selected to convert the MLL into a maximum one The coefficient a1 to a3 are optimized by trial and error to 0.237 , 0.315 and 0.448 respectively 3.5 Problem...

Ngày tải lên: 05/09/2013, 15:28

... time, work together to exceed those expectations Students will live up, or down, to your expectations Encourage your students to set high expectations of themselves, then challenge them to exceed ... your administration expects a certain percentage on a test or has a goal to reduce absenteeism, work together with the class to exceed those expectations Whatever expectations your students or their ... our expectations Some expectations will be easy to exceed if students not expect to learn anything, for example Work as a team with your class to exceed expectations If your administration expects...

Ngày tải lên: 06/09/2013, 10:10

... Man, etc) After listening to the entire excerpt, competitors correctly identify the title of the story from a provided list The recorded stories are all classical bedtime stories for young children ... Competitors revealed that they felt less afraid of using their English during game play I also observed that they were more willing to ask questions and think creatively about how to use English to ... translated into most of the major languages worldwide Students should be familiar with those stories This game focuses on gist-listening skills Students only need to catch the key terms to figure...

Ngày tải lên: 06/09/2013, 10:10

... murderer was still at large, I was 26 Having stolen the silver, he looked 27 Soaked to the skin, we reached 28 Sitting/Seated in the front row, and using I saw 29 sitting by the fire, you ... from prison, he looked 11 Having heard the story before, she didn't want 12 Having found the money, they began 13 Entering the room suddenly, she found 14 Turning on the light, I was 15 Having visited ... his cage door open and seeing no sign of his keeper, left 34 The government, trying to tax people according to the size of their houses, once put a tax 35 Having heard that the caves were dangerous,...

Ngày tải lên: 13/09/2013, 21:10

... providers can be mixed—Chapter 18, Using LINQ to DataSet,” combined LINQ to Objects and LINQ to DataSet content—LINQ to Entities imposes restrictions on the type of data involved in the queries Note  ... the database within a custom function and using the preceding steps to enable LINQ to call the custom functionality 326 Microsoft ADO.NET Step by Step Calling Custom Database Functions: C# Note  ... an ObjectQuery that will feed data into LINQ 316 Chapter 19  Using LINQ to Entities 317 Here is a query that returns some properties from a Customer entity: C# using (SalesOrderEntities context...

Ngày tải lên: 03/10/2013, 00:20

... Visual Studio) to display the contents of the book’s sample database If the sample database is not already present in the Data Connections tree, use the Connect To Database toolbar button within ... although you may need to click the Show All Files button in the Solution Explorer to see the file) Using Custom Database Functions in Queries Although custom functions defined within a NET application ... block, inform LINQ to SQL how to map class members to tables and columns in the database Additional attributes identify storage-level data types, intertable relationships, stored procedure definitions,...

Ngày tải lên: 03/10/2013, 00:20

... best database management system and better design your database How To These key folks, working together as a team, should be prepared to answer the following questions: • Who will be using the database? ... considered How To To design a relational database’s tables, records, and fields, the following: 7516Ch02.qxp 1/5/07 3:04 PM Page 39 CHAPTER s DEFINE YOUR DATA Step 1: Examine your data to see if you ... removed from the separate data table, leaving only one data record Step 5: For each one -to- many data record relationship between data tables, define those relationships using the unique identifiers...

Ngày tải lên: 21/10/2013, 22:20

... HierarchicalDataGridForm.cs // Namespaces, variables, and constants using System; using System.Configuration; using System .Data; using System .Data. SqlClient; private DataSet ds; // Private SqlDataAdapter ... time, or by using the DataSource property or SetBindingMethod( ) at runtime Valid data sources for the DataGrid include DataTable, DataSet, DataView, and DataViewManager objects The DataGrid control ... any changes made to the data source If the ReadOnly property of the DataGrid is set to false, the data source is updated when changes are made to data in the DataGrid This automatic update happens...

Ngày tải lên: 24/10/2013, 11:15

... the data table to the data grid's DataSource property Me.dgResults.DataSource = dtResults End Sub Figure 6.6 Using subqueries in one step to retrieve information saves time and effort Comments Subqueries ... customer in them Dim strSQL As String strSQL = "SELECT Customers.City, Customers.Region, " & "Customers.CustomerID, Customers.CompanyName " strSQL &= "From Customers " strSQL &= "WHERE (((Customers.City) ... powerful tool for getting at your data in different ways Following are some rules you have to remember when using subqueries: • • • • You can only use an ORDER BY clause if you are using the TOP clause...

Ngày tải lên: 24/10/2013, 12:15

... Nodes Fault-Tolerant Dfs Root Fault-Tolerant Dfs Root ? Stores the Dfs Topology in Active ? Stores the Dfs Topology in Active Directory Directory ? Continues to Function When a ? Continues to Function ... fault tolerance because the Dfs topology is stored in Active Directory Stand-alone Dfs root Stores the Dfs topology on a single computer Because all of the information about the Dfs topology is stored ... access is transparent to users Sales Data Sales Data 1 North East Sales Data Sales Data Client connects to aaDfs server Client connects to Dfs server Client receives a referral to child node Client...

Ngày tải lên: 26/10/2013, 23:15

... On the Access computer, the user account that is used to access the database requires Read, Write, Execute, and Change permissions on the database file The user identity needs Read, Write, Execute, ... and Change permissions on the folder containing the database files The user account requires permissions to access the share that contains the database file and folders The user account must be ... is configured to prevent users of the web site from viewing the contents of the web.config file—this is the default configuration Other ways to impersonate a user from an ASP...

Ngày tải lên: 07/11/2013, 13:15