The Zend Framework is one of today’s most popular PHP–based web application development frameworks. Beginning Zend Framework is a beginner’s guide to learning and using the Zend Framework. It covers everything from the installation to the various features of the framework to get the reader up and running quickly. What you’ll learn Install and configure the Zend Framework.Create your first Zend Framework web application. Explore controllers and actions, views, form creation, validation, and filtering. Build and access the database layer with Zend_Db. ...
A layered approach to information retrieval permits the inclusion of multiple search engines as well as multiple databases, with a natural language layer to convert English queries for use by the various search engines. The NLP layer incorporates morphological analysis, noun phrase syntax, and semantic expansion based on WordNet.
After completing this chapter, students will be able to: Become familiar with several object-persistence formats, be able to map problem domain objects to different object-persistence formats, be able to apply the steps of normalization to a relational database, be able to optimize a relational database for object storage and access,...
This book begins with you working along as Scott Guthrie builds a complete ASP.NET MVC reference application. He begins NerdDinner by using the File-New Project menu command within Visual Studio to create a new ASP.NET MVC Application. You'll then incrementally add functionality and features.
Computer Science is defined in different ways by different authors. Wikipedia (http://en.wikipedia.org/
wiki/Computer_science) defines computer science as the collection of a variety of disciplines related to
computing, both theoretical and practical: theoretical foundations of information and computation, language
theory, algorithm analysis and development, implementation of computing systems, computer graphics,
databases, data communications, et
The PHP Data Objects (PDO) extension defines a lightweight, consistent interface for accessing databases in PHP
Each database driver that implements the PDO interface can expose database-specific features as regular extension functions
you must use a database-specific PDO driver to access a database server
PDO provides a data-access abstraction layer, which means that, regardless of which database you're using, you use the same functions to issue queries and fetch data
This book starts with an overview of PHP Data Objects (PDO), followed by getting started with PDO. Then it covers error handling, prepared statements, and handling rowsets, before covering advanced uses of PDO and an example of its use in an MVC application. Finally an appendix covers the new object-oriented features of PHP 5. This book will guide you through the data layer abstraction objects in PHP. PHP developers who need to use PDO for data abstraction.
Many terms related to spreadsheets and databases are easily confused. Look at these
extracts from definitions in an ICT dictionary and decide which word is being defined.
1 The vertical part of a spreadsheet. 2 The horizontal part of a spreadsheet. 3 The name of the computer program that displays data in rows and columns, and the table which displays data in rows and columns. 4 A collection of cells in one layer of an Excel file. 5 In databases, information is added to , which are grouped together into ....
Let me set the scene. Your team has been commissioned with
adding a new section to your corporate intranet. In the course of
the addition, you adopt a new technology of some sort. Perhaps
this is a new database abstraction layer, or a different manner of
handling HTML forms. It could be anything; it doesn’t really matter.
Your team has worked on this new module for two months.
You’ve put all of your collective knowledge and experience into
the project. The launch date is in a couple days, and you’re actually
going to make your deadline....
Many distributed storage systems achieve high data access through-
put via partitioning and replication, each system with its own ad-
vantages and tradeoffs. In order to achieve high scalability, how-
ever, today’s systems generally reduce transactional support, disal-
lowing single transactions fromspanning multiple partitions. Calvin
is a practical transaction scheduling and data replication layer that
uses a deterministic ordering guarantee to signiﬁcantly reduce the
normally prohibitive contention costs associated with distributed
Client-Server Application Connection
Oracle Net enables a network connection between a client and an Oracle database server. Oracle Net is a software component that resides on both the client and on the Oracle database server. It is layered on top of the network protocol.
When a connection is initiated from a client to the Oracle database server, data is passed down a stack on the client, over the network, and up a similar stack to the Oracle database server.
The Storage Engine is a resource provider. When the relational engine attempts to execute
a T-SQL statement that accesses an object for the first time, it calls upon the storage engine
to retrieve the object, put it into memory and return a pointer to the execution engine. To
perform these tasks, the storage engine manages the physical resources for the TOE by
using the Windows OS.
The SQL-OS is a resource provider for all situations where the TOE uses functionality of the
operating system. SQL-OS provides an abstraction layer over common OS functions and...
Bài 3.2 trình bày những kiến thức về PHP-PDO. Chương này gồm có những nội dung chính sau: Database Abstraction Layer, PDO (Connection, error handling, executing queries, prepare statement, transaction. Mời các bạn tham khảo.
PHP is a scripting language that supports dynamic HTML pages. It is a bit like Apache's SSI, but by far more
complex and has database modules for many popular dbs. The GD libraries are needed by PHP.
SSL is an implementation of Netscape's Secure Socket Layer that allow secure connections over insecure
networks, e.g. to transmit credit card numbers to web based forms.
MTP Level 3 UA (M3UA) M3UA  provides for the transport of MTP Level 3-user part signaling (such as ISUP and SCCP) over IP using SCTP. RFC 3332 defines and supplements it with an Implementers Guide . M3UA provides for seamless operation between the user part peers by fully supporting the MTP Level 3 upper-layer primitives. M3UA can be used between an SG and an MGC or IP-resident database, or between two IPSP. The most common use for M3UA is between a SG and a MGC or IP-resident databases (such as SCPs). The SG receives SS7 signaling over standard SS7...
Oracle object technology is a layer of abstraction built on Oracle relational
technology. New object types can be created from any built-in database types and
any previously created object types, object references, and collection types.
Metadata for user-defined types is stored in a schema that is available to SQL,
PL/SQL, Java, and other published interfaces
This book begins with you working along as Scott Guthrie builds a complete ASP.NET MVC reference application. He begins NerdDinner by using the File-New Project menu command within Visual Studio to create a new ASP.NET MVC Application. You'll then incrementally add functionality and features. Along the way you’ll cover how to create a database, build a model layer with business rule validations, implement listing/details data browsing, provide CRUD
The new overwatch security pillar acts as an infection detection, containment, and
remediation engine that is automatically triggered when a threat has bypassed
detection by the existing "in-line" infrastructure and has infiltrated the enterprise
network. The overwatch security layer uses data from a real-time reputation and
behavioral correlation database to detect active data-stealing malware and other
Being an editor is very challenging—something I would have never guessed
when I got into this line of work. I dare anybody to do it for six months and read
a book the way they used to before. Gone is the lust for knowledge—to be replaced
for a compulsive, incurable need to find typos and fix someone else’s grammar. Of
course, someone else is the key here—it’s never your own mistakes you catch
(regardless of whether you actively made them part of your own writing or didn’t
catch them in another author’s work)...
A number of different abstraction layers are available for PHP, most notably the PEAR DBI, Metabase and
PHPLib. The one I'm going to use in this article is named ADODB (Active Data Objects DataBase), and it's
one of the most full−featured and efficient PHP abstraction libraries available today.