the php data objects extension

Session 2The PHP Data Objects (PDO) pptx

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Tài liệu Learning PHP Data Objects ppt

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ĐỐI TƯỢNG DỮ LIỆU ACTIVEX (ACTIVEX DATA OBJECTS

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... WriteData: Private Sub cmdWrite_Click() WriteData GetList("Select * From THanghoa") End Sub Trang 133 Visual Basic Chương 11: ĐỐI TƯỢNG DỮ LIỆU ACTIVEX (ACTIVEX DATA OBJECTS) ... Web cũng như trên ứng dụng. Remote Data Objects ODBC Driver ODBC Driver Manager ActiveX Data ObjectsOLE DB Data ProviderOLE DB Relational Database Email Server Document Server ... đối tượng nguồn dữ liệu (DataSource) của điều khiển lưới: Microsoft DataGrid Control 6.0 (OLEDB). Nhờ điều khiển lưới này ta có thể hiển thị dữ liệu từ một Recordset theo dạng hàng và cột....

Accessing the Right Data Values

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... value(s).Locate DataRow objects with a SQL-like query Add DataColumn instances to a DataTable.Add relevant DataRow objects to the DataTable.Build a query expression string (see the “DataColumn.Expression ... expressionField.Text)This code adds the expression columns to the sample table, passing the column name, the data type from the System namespace, and the ﬁeld expression.3. Run the program. On the Add Expression ... a DataTable.Add one or more of those DataColumn instances to the table’s PrimaryKey property.Add relevant DataRow objects to the DataTable.Call the table’s Rows.Find method, passing it the...

Creating spatial data objects

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Module 5: Normalizing the Logical Data Design

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... tables so that the entities are bound together by the common key value. Slide Objective To introduce the concept of keys within the physical data model. Lead-in Keys are the mechanism for ... reducing overall size of the table and the database. Slide Objective To explain the benefits of a normalized database. Lead-in By normalizing a database, you accomplish the following. 116 ... is usually the primary key of the parent entity, because as the primary key uniquely defines the parent, the child must in turn be associated with a unique instance of the parent. The foreign...

2 Understanding the Oracle Data Guard Architecture

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... architecture for the primary and standby databases must be the same. • The operating system releases for the primary and standby databases can be different.•If all databases are on the same system, ... ReportsProductiondatabaseLogical standbydatabaseLogical standby databaseCopyright © 2006, Oracle. All rights reserved.2 - 24Standby Database ModesYou can maintain the standby data in one of the following ... topics:•Reviewing the Oracle Data Guard architecture•Reviewing the processes that Data Guard uses to transport and apply redo logs•Reviewing the modes that are used to recover a primary databaseCopyright...

Module 9: The Transactional Data Access Layer

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... satisfy the requirements of the Create Requisition use case. In the class, include the necessary methods to obtain the next database ID. The class should also cache database IDs from the database ... outcome of the transaction. Operation of CRM The first step in the operation of the CRM is the client component’s creation of the CRM Worker. The client component then begins using the CRM Worker. ... Compensator. The CRM Worker is responsible for performing the work on the resource. In the case of an XML file, it updates the XML. The CRM Worker also exposes a custom interface for the client...

Tài liệu Creating the Green Data Center pdf

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... Decisions in the DataCenterIntroductionPage 5There are many other initiatives that can be implemented to improve airﬂow throughout the data center and reduce energy costs. These include the following: ... dramatically reduces power and cooling costs across the data center.Yet there are many other ways to reduce power and cooling costs in the data center—ways that are far simpler and less expensive ... Managementin the Data CenterThere are many simple solutions to improve overall airﬂow ef-ﬁciency in the data center that can be implemented immedi-ately, and without major changes in the design...

Tài liệu Executing a SQL Server Stored Procedure By Using ActiveX Data Objects doc

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... ActiveX Data Objects If you are doing an ADO development with client server for backends, then you probably call stored procedures. In doing so, you will use the ADO Command object, as well as the ... You will then specify the type of Command object you are creating-in this case by using the type of ADODB.CommandTypeEnum.adCmdStoredProc. The next step is to create a parameter that the Command ... will create a Command object and supply the command text, which in this case will be the name of the stored procedure, called CustOrdersHist. You can see the T-SQL for CustOrderHist in Listing...

Tài liệu The Problem with Objects docx

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... = (Circle)myQueue.Dequeue(); The Enqueue method adds an object to the head of a queue, and the Dequeue method removes the object at the other end of the queue. These methods are defined like ... to cast the value returned by the Dequeue method to the appropriate type because the compiler will not perform the conversion from the object type automatically. If you don't cast the returned ... The Problem with Objects In order to understand Generics, it is worth looking in detail at the problems they are designed to solve, specifically when using the object type. You can use the...

Tài liệu Module 12: Integrating Collaboration Data Objects Within an Outlook 2000 Solution ppt

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... important to review the objects that make up the CDO object hierarchy and how these objects relate to the Session object. It is also important to see how these objects relate to the Outlook object ... will help you understand the similarities and differences between the two object libraries, as it compares some of the objects in the CDO Library to some of the objects of the Outlook object model. ... display the subject of each message. You can set the message filter to limit the messages by obtaining the Inbox folder, the Messages collection of the folder, and the MessageFilter object of the...

Tài liệu Module 8: The Nontransactional Data Access Layer doc

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... returned from the query as it is processed. ! Static A static cursor creates a copy of the data in the dataset on the server. This consumes memory necessary to store the dataset. However, the cursor ... locks on the database. Also, the cursor does not track changes to the underlying data. This is useful if you need an unchanging snapshot of the data. 30 Module 8: The Nontransactional Data Access ... Nontransactional Data Access Layer 43 Security !Connecting to the Database!Creating Security Roles Like the other layers, the DAL also requires secure access. Connecting to the Database The...

Tài liệu Module 5: Normalizing the Logical Data Design docx

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... reducing overall size of the table and the database. Slide Objective To explain the benefits of a normalized database. Lead-in By normalizing a database, you accomplish the following. Module ... is usually the primary key of the parent entity, because as the primary key uniquely defines the parent, the child must in turn be associated with a unique instance of the parent. The foreign ... tables so that the entities are bound together by the common key value. Slide Objective To introduce the concept of keys within the physical data model. Lead-in Keys are the mechanism for...

Tài liệu THE PHP EMPIRE doc

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... translation is in the works, but for the time being, we’ll have to cope with French. PHP on the Web The first interesting graph (Figure 1) indicates the overall performance of PHP. During the month ... FIGURE 1: PHP ON THE INTERNETNO PHP (42.96%) PHP (37.19%)ASP (19.65%)OTHERS (0.00%)FIGURE 2: PHP ON DOMAINS WITH MULTIPLE IP’SNO PHP (42.07%) PHP (38.53%)ASP (19.19%)OTHERS (0.00%)FIGURE ... 8Conclusion PHP is definitely on the rise, and this survey gives valuable figures better indicate the infiltration of PHP throughout the web (and more precisely the PHP user community). PHP has...

Tài liệu Instructor Notes Module 5: Normalizing the Logical Data Design doc

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... prepare for the activity 1. Complete the activity. 2. Look at the answers and be able to explain them. Activity 5.2: Normalizing Data In this activity, students will normalize the logical ... a logical data design to third normal form. ! To prepare for the activity 1. Complete the activity. 2. Look at the answers and be able to explain them. Module Strategy Use the following ... through a new data problem in addition to the ones supplied in the text. Your goal is that students be able to almost “sense” whether data is normalized when it is presented to them. ...

Tài liệu Activity 6.1: Translating the Logical Data Design pdf

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... findings to the class. Table Field Data type Activity 6.1: Translating the Logical Data Design 33 Table Field Data type Table Field Data ... Activity 6.1: Translating the Logical Data Design 31 ! Derive the physical data design 1. Using the following table templates, translate each entity into ... BLANK Table Field Data type 30 Activity 6.1: Translating the Logical Data Design Exercise 1: Deriving a Physical Data Design from a Logical Data Design In this...