... 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, ... ONLY 10 Module 3: Using ADO.NET to Access Data Connecting to a Data Source Topic Objective To describe how to connect to a data source by using ADO.NET Lead-in Connecting to a data source is the ... 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...
Ngày tải lên: 27/10/2013, 07:15
... ordering Exercise Convert vector data to grid format The objective of this exercise is to learn how to convert vector data, the Rivers.shp theme, into a grid theme of raster data During the conversion ... coordinate to that location When to use raster In some analyses, raster data is more appropriate than vector data Depending on the analysis you're performing, however, vector or raster data or both ... contain No Data values that correspond to the No Data cells in the mask By setting the mask, the analysis can be focused to the areas of interest in the mask You can use the Map Calculator to create...
Ngày tải lên: 21/10/2014, 10:10
Adaptive Traffic Lights Using Car-to-Car Communication pdf
... improves traffic fluency, compared to the existing, pre-timed traffic lights We focused our analysis on how the system reacts to rush hour traffic and obtained promising results The total average ... are residential areas to the south, and usually in the morning peak hour traffic, endless queues form as people drive towards north and east to get to work The opposing traffic coming from the ... messages The controller decides the traffic light phases according to the traffic flows, and all vehicles react according to the indication of the traffic light In order to study such reactive events,...
Ngày tải lên: 16/03/2014, 12:20
Tài liệu Using Stored Procedures to Add, Modify, and Remove Rows from the Database phần 1 pdf
... use to create the AddProduct4() procedure Refer to Chapter if you need a refresher on the Transact-SQL language or if you need to find out how to run this script to create the procedure in the database ... method to retrieve rows from the Products table into a DataSet Before you can push changes to the database, you must set the InsertCommand, UpdateCommand, and DeleteCommand properties of your DataAdapter ... then call the Update() method of your DataAdapter, the appropriate stored procedure is run to push your changes to the database Let's take a look at how to set the InsertCommand, UpdateCommand,...
Ngày tải lên: 14/12/2013, 13:15
Tài liệu Using Stored Procedures to Add, Modify, and Remove Rows from the Database phần 2 doc
... DataRow in a DataTable." The following method, named AddDataRow(), uses those steps to add a new row to a DataTable: public static int AddDataRow( DataTable myDataTable, SqlDataAdapter mySqlDataAdapter, ... indicates myNewDataRow isn't yet part of myDataTable Next, myDataTable.Rows.Add() is called to add myNewDataRow to myDataTable This causes the RowState of myNewDataRow to change to Added, which ... myNewDataRow has been added to myDataTable Finally, mySqlDataAdapter.Update() is called to push the new row to the database The AddProduct4() stored procedure is run to add the new row to the...
Ngày tải lên: 14/12/2013, 13:15
Tài liệu Using Transaction Isolation Levels to Protect Data doc
... 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,...
Ngày tải lên: 14/12/2013, 18:16
Tài liệu Module 9: Using XML to Exchange Data pptx
... 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 ... the following example: to this syntax > Module 9: Using XML to Exchange Data XML Syntax (continued) ! Attributes ...
Ngày tải lên: 21/12/2013, 19:15
Tài liệu Network Traffic Analysis Using tcpdump Introduction to tcpdump docx
... activity using some additional perl scripts to look through an hour’s or day’s worth of data Using Shadow relieves the analyst from having to worry about the collection of tcpdump data; it automates ... ICMP Data 25 The answer to the question of why only 54 bytes of IP datagram data appear on the previous slide even though the datagram is greater than 68 bytes has to with the collection of the data ... need to be stored in the TCP header 40 Dissecting a Datagram 41 A very handy skill to have as an analyst is the ability to take a datagram that is displayed in hexadecimal and dissect it to determine...
Ngày tải lên: 17/01/2014, 07:20
Tài liệu Using XPath to Query Data in a DataSet doc
... 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
Using Oracle Clusterware to Protect A Single Instance Oracle Database 11g pot
... Attempting to stop `rg1.vip` on member `node1` Stop of `rg1.vip` on member `node1` succeeded Attempting to stop `rg1` on member `node1` Stop of `rg1` on member `node1` succeeded Attempting to start ... prior to the database instance start, the START script timeout is set to 600 seconds Page 15 Using Oracle Clusterware to Protect A Single Instance Oracle Database 11g Then ask Oracle Clusterware to ... Attempting to stop `rg1.db_ERI` on member `node2` Stop of `rg1.db_ERI` on member `node2` succeeded Attempting to stop `rg1` on member `node2` Stop of `rg1` on member `node2` succeeded Attempting to start...
Ngày tải lên: 30/03/2014, 13:20
benjamin van vliet - 2004 - modeling financial markets using visual basic net and databases to c
... 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 ... need to be analyzed Steps and Milestones: The purpose of the Steps and Milestones section is to keep the project on track The goal is to document at a high level all the major steps and milestones...
Ngày tải lên: 23/04/2014, 16:19
Báo cáo y học: "A statistical framework for modeling gene expression using chromatin features and application to modENCODE datasets" pptx
... profiles, histone modification profiles, and DNA binding data for transcription factors and histone-modifying proteins This large compendium of datasets provides an unprecedented opportunity to investigate ... predictor matrix for each bin These predictor matrices were used to predict expression of transcripts by support vector machine (SVM) or support vector regression (SVR) models The genome-wide data ... may be instructive to build a simpler linear regression model to explore to what extent the chromatin features are redundant, and to what extent they are interacting in a combinatorial fashion Specifically,...
Ngày tải lên: 09/08/2014, 22:23
Using SQL queries to insert update, delete, and view data
... Learn how to run a script to create database tables automatically • Learn how to insert data into database tables • Learn how to create database transactions and commit data to the database • ... the LOB data type and points to the alternate memory location • Write a program or use a utility to add LOB data to database • Use EMPTY_BLOB() function to insert a LOB locator A Guide to Oracle9i ... 'J', 9); A Guide to Oracle9i Format Models • Used to format data retrieved from database • Can be used to format a date to display time or a number to display as a currency A Guide to Oracle9i Numerical...
Ngày tải lên: 23/10/2014, 19:21
Using map reduce to scale an empirical database
... internet data, terabyte size databases become fairly common It is necessary for a synthetic database generator to be able to cope with such large datasets Since we are generating synthetic databases ... the data, then we can use UpSizeR to scale the dataset into desired size Scenarios that we need to down scale a dataset also commonly exist One may want to take a small sample of a large dataset ... fault tolerance of jobs executing in the cluster The NameNode can split the submitted job into multiple tasks and assign each task to a DataNode to process The DataNode stores and processes the data...
Ngày tải lên: 12/10/2015, 17:35
Credit check using advanced analytics to leverage a trillion dollars of data
... could “take [the data] out and play with it” without endangering the sanctity of the database or the privacy of customers This allowed the qualified business user to test the data, determine its ... need to detect and manage fraud has become increasingly critical to its customers and larger parts of the business By managing the anti-fraud operations through a big data environment and using ... conduct his or her own experiments to advance the business Putting the solution into action The solution— strict governance but with the flexibilty to “take the data out and play with it” A critical...
Ngày tải lên: 30/11/2015, 21:09
Using Graph Layout to Visualize Train Interconnection Data
... passing by minor stops To render B´ezier curves, control points need to be positioned Using the framework of random field layout models introduced in [3], the problem is cast into a graph layout ... coordination, and pricing Our aim is to aid visual inspection of this data, which is carried out at TLC to identify structural characteristics of (sub)networks and to back-up design decisions on extensions ... constant, keeps b sufficiently close to its anchor ab • Distance to near B´ezier points As is the case with near stations, a B´ezier point b1 ∈ L should not lie too close to another B´ezier point b2...
Ngày tải lên: 16/06/2016, 01:34
The research of using epad technology to support activities in administrative system
... Use case name Store into database - Actor Administration department - Purpose Store document into database - General description Attach document into the form and upload into database - References ... Response Click “Create user” button Show user profile form After inserting, click on “submit” button Store user profile into database Exception User is already stored in database Show message require ... Register to “incoming book” - Actor Administration department - Purpose Register to “incoming book” - General description Insert document’s information into “incoming book” form and store into database...
Ngày tải lên: 23/11/2012, 15:04
Using Cooperative Learning to Integrate Thinking and Information Technology in a Content.doc
... students have more opportunities to talk and to share ideas This interaction with groupmates encourages students to restructure their ideas For instance, they may need to summarize, elaborate, exemplify, ... expository texts K - what I Know - the teacher leads students in brainstorming what they already know about a topic and how they have acquired this information The teacher then helps students to ... ideas into more general categories W - what I Want to know - As the students think about the topic and the general categories of information, they generate questions about aspects of the topic...
Ngày tải lên: 06/09/2013, 05:10
Using Presentation Software to Enhance Language Learning
... points and divide the points into slides At the same time, students need to take into consideration slide layout A slide cannot be too cluttered, the size of the font has to be large enough, and the ... evaluate Finally, they select highlights for inclusion in their presentations This process is comparable to the process students go through when reading in order to write a paper In both cases, ... organized and summarized now has to be presented orally so as to convey a clear message to an audience of peers Just as they would in a purely oral presentation, students have to 'rehearse' the pronunciation...
Ngày tải lên: 06/09/2013, 10:10
Five Steps to Using Your Textbook to Build a More Dynamic EFL Conversation Class
... decided which words to substitute, they are given about 10 minutes to memorize the dialogue depending on difficulty After 10 minutes, student pairs are asked to "volunteer" to perform their conversation ... also seem to really enjoy having the control to "choose" their partner by taking a card number Step - Dialogue Practice When students are seated facing each other in pairs, they listen to the example ... perform their conversation I say "volunteer" because students are told that they not have to the conversation if they don't want to, but if they "volunteer", each student will receive a "+" for...
Ngày tải lên: 06/09/2013, 11:10