... actions that define the relationship between each pair of entities, and label the line with the relationship verb This is the initial ER diagram for the logical data model Answer in v04_160 9a_ act42-1.bmp ... cardinality and existence characteristics of each of the relationships defined in Exercise ! Identify cardinality For each relationship on your ER diagram, ask the question “How many of the parent ... v04_160 9a_ act42-1.bmp Activity 4.2: Creating a Logical Data Model Exercise 2: Determining Cardinality and Existence In this exercise, you will use the syntax discussed in the module to identify the cardinality...
Ngày tải lên: 21/12/2013, 06:16
... cmd.CreateParameter("CustomerID", ADODB.DataTypeEnum.adChar, ADODB.ParameterDirectionEnum.adParamInput, 5) cmd.Parameters.Append(prm) prm.Value = "CHOPS" OpenNorthwindADOConnection(cnn) cmd.ActiveConnection ... txtResults.Text = rstCurr.GetString Catch excp As Exception MessageBox.Show(excp.Message) End Try End Sub The last thing that this routine does is open a recordset based on the Command object This is to 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 for this Appendix project ...
Ngày tải lên: 14/12/2013, 20:16
Tài liệu Module 9: Creating a Security Design for Data pptx
... the attacker replaces the password of the Administrator account in the local Security Accounts Manager (SAM) database The attacker then logs on to the laptop as Administrator and accesses the data ... Users may continue to store data on their local computers If Northwind Traders does not back up data on the central data server regularly or take other precautions to protect data, a hardware failure ... stores data and backs up data Use auditing to ensure that access to data remains secure Use management permissions to ensure the secure administration of data Also determine an appropriate length...
Ngày tải lên: 18/01/2014, 05:20
Tài liệu Module 10: Creating a Security Design for Data Transmission docx
... in your organization, the data becomes vulnerable to a variety of additional threats Attackers can potentially intercept transmitted data, depending on how and where the data is transmitted Lesson ... of traffic For example, an attacker who wants to gain knowledge about data as it is transmitted can passively monitor the network from within an organization This type of attack reveals data but ... threats and analyze risks to data transmission in an organization You will also learn how to design security for different types of data transmission, including traffic on local area networks (LANs),...
Ngày tải lên: 18/01/2014, 05:20
Indexing XML Data Stored in a Relational Database pot
... [21] M Yoshikawa and T Amagasa XRel: a path-based [1] R Bayer and K Unterauer Prefix B-trees ACM approach to storage and retrieval of XML documents using relational databases ACM Transactions on ... document generator XMLGEN provided by the authors of XMark Instead of storing the entire data as a single, large XML instance, it is more natural in a relational database to store the data in tables ... XML Data Type Native support for the XML data model is introduced using a new, first-class data type called “xml” It can be used as the type of a column in a table or view, a variable and a parameter...
Ngày tải lên: 07/03/2014, 14:20
Creating and Management Data Base
... tạo Cú pháp: CREATE DATABASE database_snapshot_name ON ( NAME = logical_file_name, FILENAME = ‘os_file_name’ ) [ , n ] AS SNAPSHOT OF source_database_name [;] RDBMS and Data Management/ Session ... giao dịch Thêm nhóm tập tin vào CSDL có: Cú pháp ALTER DATABASE database_name { | | | MODIFY NAME = new_database_name ... là: CREATE DATABASE database_name [ ON [ PRIMARY ] [ [ , n ] [ , [ , n ] ] [ LOG ON { [ , n ] } ] ] [ COLLATE collation_name ] ] [;] RDBMS and Data Management/...
Ngày tải lên: 01/09/2012, 09:09
Creating a dataview using visual studio NET
... data stored in dataView1 to dataGrid1 and allows dataGrid1 to access any data stored in dataView1 Figure 13.2: Setting the Properties of dataGrid1 Select View ➣ Code and set the Form1() ... 14 // 15 InitializeComponent(); 16 17 // call the Fill() method of sqlDataAdapter1 18 // to populate dataSet11 with a DataTable named 19 // Customers 20 sqlDataAdapter1.Fill(dataSet11, "Customers"); ... "Customers"); 21 } Compile and run your form by pressing Ctrl+F5 Figure 13.3 shows the running form Notice that the information in the form comes from the DataView you created Figure 13.3: The running...
Ngày tải lên: 20/08/2013, 16:48
Creating a Writing Course Utilizing Class and Student Blogs.doc
... possible for a teacher to create as many “class blogs” as deemed necessary to organize class materials For example, it must be possible for a teacher to create a blog for class notes and another for ... server space If one has HTML experience and server space, a few more options for creating the class are available that fall beyond the scope of this paper Features of the Blog-Based Class Before ... individual student blogs In order to save time when giving feedback, save a copy of the messages at an additional teacher-only blog If a class is taught for several years with different students, teachers...
Ngày tải lên: 06/09/2013, 05:10
Creating a GUI
... handles and user data (see GUIDATA) varargin command line arguments to untitled (see VARARGIN) Add this code Autogenerated code % Create the data to plot handles.peaks=peaks(35); handles.membrane=membrane; ... lines create the data using the MATLAB functions peaks, membrane and sinc to generate the data The next line, handles.current _data = handles.peaks, sets the current _data field of the handles structure ... “Adding Code to the Opening Function” on page 2-20 and “Adding Code to the Callbacks” on page 2-22, contain examples You can share data between callbacks by storing the data in the MATLAB handles...
Ngày tải lên: 29/09/2013, 20:20
Creating a Pivot Table
... automatically create a total for the year; you would have to create a calculation for the annual total 10 CHAPTER ■ CREATING A PIVOT TABLE You should rearrange the data, using actual dates (if available) ... source data range each time new data is added, or create a dynamic range in the Name Manager Or, you might forget to adjust the source data range to include the new data, and the pivot table could ... visible CHAPTER ■ CREATING A PIVOT TABLE Creating an Excel Table from the Worksheet Data • As a final step in preparing the Excel source data, you should format the worksheet data as an Excel Table,...
Ngày tải lên: 09/10/2013, 12:20
Module 6: Deriving a Physical Data Design
... should map directly to tables within a relational database Good logical design is extremely important for good database design Tables can store a wide variety of data A table can contain a name, address, ... The disadvantage is that the data is located in fewer places, thus creating tables with more fields and possibly duplicating data across tables " Data that appears in more than one place can get ... fixed-precision data range Integer (whole number) data Money Most system-supplied data types fall within a generic set of types Fixed-length binary data Fixed-length character data Date and time data Float...
Ngày tải lên: 18/10/2013, 19:15
FTTX Architecture Creating a Cost Effective Plug-and-Play FTTX Architecture
... installation and maintenance can be accomplished quickly and easily Additionally, easy access at the MST facilitates maintenance and troubleshooting by allowing technicians to simply unplug a connector ... instructions and materials for cleaning hardened connectors and adapters To clean the connector and adapter, the dust caps and plugs are removed to expose the inner optical components The adapter can then ... non-technical field installation of the drop cable Cleaning techniques for these hardened connectors have also been simplified, enabling improved reliability and maintenance Kits are available with easy...
Ngày tải lên: 27/10/2013, 00:15
Creating a Web Service
... mySqlConnection.CreateCommand(); mySqlCommand.CommandText = selectString; SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter(); mySqlDataAdapter.SelectCommand = mySqlCommand; DataSet myDataSet = new DataSet(); ... Northwind database and returns a DataSet containing rows from the Customers table You pass a WHERE clause to the RetrieveCustomers() method in the whereClause parameter; this WHERE clause is then ... Northwind database Because the code uses classes in the System .Data. SqlClient namespace, you'll also need to add the following line near the top of your Customers.asmx.cs file: using System .Data. SqlClient;...
Ngày tải lên: 28/10/2013, 19:15
Lab 4.1.4 Creating a Network Map using CDP
... for a password, enter class If “class” does not work, ask the instructor for assistance Router>enable At the privileged EXEC mode, enter the command erase startup-config Router#erase startup-config ... type of router as well as how many interfaces the router has There is no way to effectively list all of the combinations of configurations for each router class What is provided are the identifiers ... ISDN BRI interface The string in parenthesis is the legal abbreviation that can be used in IOS command to represent the interface 4-4 CCNA 2: Routers and Routing Basics v 3.0 - Lab 4.1.4 Copyright...
Ngày tải lên: 04/11/2013, 16:15
Debugging a SQL Server Stored Procedure
... pool rather than created, SQL debugging is not reestablished Changes to locals or parameter variables that are cached by the SQL interpreter are not automatically modified and there is no way to ... application must be established with the NET data provider for SQL Server before debugging a mixed-language application After that, you can open stored procedures and set breakpoints in the same way ... or unmanaged code, or into managed or unmanaged code from a stored procedure Set a breakpoint at entry point in the stored procedure or in the reentry point in the code as required Alternatively,...
Ngày tải lên: 07/11/2013, 13:15
Tài liệu Creating a Logical Standby Database by Using Enterprise Manager ppt
... Logical Standby Database • Configure the database guard to control user access to tables • ALTER DATABASE GUARD command keywords: – ALL: prevents users from making changes to any data in the database ... the database – STANDBY: prevents users from making changes to any data maintained by Data Guard SQL Apply – NONE: normal security • Query GUARD_STATUS column in V$DATABASE • Database guard level ... Logical Standby Database Perform the following steps on the primary database before creating a logical standby database: Check for unsupported data types Be aware of unsupported DDL commands...
Ngày tải lên: 09/12/2013, 16:15
Tài liệu Module 4: Designing a User Data Management Strategy pptx
... Data? ? What Is User Data? Which User Data Is Currently Stored? ? Which User Data Is Currently Stored? Personal data Personal business data Shared business data Where Is User Data Currently Stored? ... user data management in the areas of data availability, data accessibility, and data protection and security Data Availability By using RUPs and Folder Redirection technologies, users can have immediate ... not store data locally Module 4: Designing a User Data Management Strategy 15 Identifying Available User Data Management Options Topic Objective To identify available user data management options...
Ngày tải lên: 10/12/2013, 15:15
Tài liệu Module 8: Creating a Digital Dashboard ppt
... Today has separate databinding tables for calendar, mail, and tasks After the page loads, the DataSource Controls collect the appropriate Outlook 2000 information and display it in the databinding ... a Table to a Data Source Outlook Today uses databinding, a feature of Internet Explorer 4.0 and later, to link an HTML table on the page to a data source by means of an ActiveX Data source control ... digital dashboards Explain how to integrate Web content and connect to business data within a digital dashboard Explain how to personalize and customize a digital dashboard Explain how to enable a...
Ngày tải lên: 10/12/2013, 16:15