xml and the relational database

... 2000 uses XML ! Match appropriate XML standards, such as the Microsoft XML Core Services (MSXML) and MathXML, and technologies, such as DOM, XSLT, XML Schema Definitions (XSD), XQuery, and XPath, ... overview of the structure and programming techniques of Extensible Markup Language (XML) This course discusses the role of XML in the Microsoft® NET vision and the larger world of distributed standards-based ... Media, and Xbox are either registered trademarks or trademarks of Microsoft Corporation in the U.S.A and/ or other countries The names of actual companies and products mentioned herein may be the...

Ngày tải lên: 26/10/2013, 23:15

... difficulty in specifying the precise positions of these maxima Further, these ‘maxima’ are likely shifted from the true underlying positions of the major Bragg peaks due to the significant overlap ... j⎥ ⎦ The lower the index value, the better the match, giving a perfect match and 100 a complete non-match We can use this relationship to rank the match between full patterns from a given database ... in this case, 3.5 nm • The software simulates a pattern for each database entry, using the d-space and intensity values • Each simulated database pattern is compared with the unknown pattern to...

Ngày tải lên: 16/03/2014, 16:20

... Outline  Relational Model Concepts  Relational Model Constraints and Relational Database Schemas  Update Operations and Dealing with Constraint Violations Relational Model Concepts  The relational ... by the theory of relations  We review the essentials of the relational approach in this chapter Relational Model Concepts  The model was first proposed by Dr E.F Codd of IBM in 1970 in the ... Data is based on the concept of a Relation  A Relation is a mathematical concept based on the ideas of sets  The strength of the relational approach to data management comes from the formal foundation...

Ngày tải lên: 12/05/2014, 11:55

... use the Web, they found that they needed to write web interfaces to their databases, or add databases to drive their web interfaces Whichever way you look at it, they needed to connect to the databases ... establishes a new connection, stores the handle, and then returns the handle to the caller It is important to understand that the pool of connections is not shared between the processes Each process has ... connect( ), it affects all other handlers retrieving this database handle Therefore, it’s best to restore the modified attributes to their original values at the end of database handle usage As of Apache::DBI...

Ngày tải lên: 24/10/2013, 08:15

... Server 2008 Relational Database Design and Implementation Louis Davidson With Kevin Kline, Scott Klein, and Kurt Windisch 8662FM.qxp 7/28/08 6:19 PM Page ii Pro SQL Server 2008 Relational Database ... system, without the prior written permission of the copyright owner and the publisher ISBN-13 (pbk): 978-1-4302-0866-2 ISBN-13 (electronic): 978-1-4302-0867-9 Printed and bound in the United States ... appear in this book Rather than use a trademark symbol with every occurrence of a trademarked name, we use the names only in an editorial fashion and to the benefit of the trademark owner, with...

Ngày tải lên: 29/10/2013, 15:15

... architecture and coding in T-SQL, and he has experience designing many databases and writing thousands of stored procedures and triggers through the years About the Contributing Authors sKEVIN KLINE is the ... use them, their implementation information, and other details Appendix C: Beyond Relational Datatype: In this appendix, the so-called beyond relational types are discussed Included are XML, the ... database designed by someone who didn’t understand the fundamentals of database design? The first four chapters of this book are devoted to the distinct phases of relational database design and...

Ngày tải lên: 29/10/2013, 15:15

... is the discovery of business rules These are the rules that govern the operation of your system, certainly as they pertain to the process of creating a database and the data to be stored in the ... INTRODUCTION TO DATABASE CONCEPTS As such, how the rows are output is a cross between the function of the commands you use to retrieve them and how it is easiest for the database engine to get to the data ... table • Body: The rows that make up the table In SQL Server and most databases—it is common to consider the catalog as a collective description of the tables and other structures in the database SQL...

Ngày tải lên: 08/11/2013, 21:15

... having multiple column values for each of the different pieces of information and calculating the value of the smart key The end user gets what they need, and you in turn get what you need, a column ... meaning to the police officer other than a means to quickly call up and check your records, the surrogate is used to make working with the data programmatically easier Since the source of the value ... purpose to the end user, in that the technician who received the product can decipher the value and see that in fact this product was built in a lot that contained defective whatchamajiggers, and he...

Ngày tải lên: 08/11/2013, 21:15

... definable in the relational data sublanguage and storable in the catalog, not in the application programs Another of the truly fundamental concepts stressed by the founder of the relational database ... as they apply to regular data This rule requires that a relational database be self-describing In other words, the database must contain tables that catalog and describe the structure of the database ... in the world, and these are not the final principles to attempt to get everyone on the same page Every database vendor has a different version of a relational engine, and while the basics are the...

Ngày tải lên: 12/02/2014, 12:20

... both the real time tools and the offline tools are built on top of the Datascope relational database system This tutorial explains some basic concepts behind relational database systems and how these ... evaluated, and can be used as the basis of sorts, joins, and subsets The system provides a variety of ways to use the data There are c, FORTRAN, tcl/tk and perl interfaces to the database routines There ... either by typing or selecting from the menubutton label on the left of the entry area Then press the “plot” button Press the menubutton labeled “origin”, and select “site” Use the button to the...

Ngày tải lên: 20/02/2014, 05:21

... all of the powers and duties of an agency to another agency and has saved the related rules of the prior agency and transferred them to the successor agency related to the subject Voided The Indiana ... (a) The board may any of the following: (1) Establish and amend rules and regulations: (A) for the administration and regulation of the fund and the board's affairs; and (B) to effectuate the ... the AROC and an electronic copy of the notice to the Publisher The electronic copy received by the Publisher is the document that is posted on the -IR- Database Website Agencies should send their...

Ngày tải lên: 20/02/2014, 05:21

... filtered There are therefore no cases of the subjects either blinking or grimacing during the capture sequence, unlike in the Yale database (where the flashes are also much closer.) On the other hand, ... partition of the database To obtain the (pose and) expression variation, we led each of the subjects through the following steps: Neutral: We asked the person to sit in the chair and look at the central ... compressing the images.) The database is organized into two partitions, the first consisting of the pose and illumination variation, the second consisting of the pose and expression variation Since the...

Ngày tải lên: 07/03/2014, 14:20

... both the relational and the XML parts of the query, and the overall query tree is optimized by the cost-based query optimizer The XML data type methods process the XML instances on which they ... contains the XML schema collections (and their contained XML schemas) and mapping between the primitive XSD and relational type systems Typed XML instances contain XSD type information in the internal, ... from the schema collection it conforms to The database engine validates the instance according to the XML schema before storing it in the XML column XML type information is stored in the database s...

Ngày tải lên: 07/03/2014, 14:20

... together The Structure pane and the Tags panel work hand in hand to reveal the how The Structure pane gives you the big picture the view from 20,000 feet The Tags panel brings you up close and ... Incorporated in the United States and/ or other countries Altova and XMLSpy are registered trademarks of Altova GmbH in the United States and other countries All other trademarks are the property of their ... The XML describes two product listings: a book and a movie version of For Whom the Bell Tolls The following code in Table 1.3 breaks down the XML elements and structure in plain English The XML...

Ngày tải lên: 14/03/2014, 23:20

... • The basis for the relational database management system (RDBMS) • The relational model contains the following components: • Collection of objects or relations • Set of operations to act on the ... data • What is the data source? How accurate is it? • Manipulate, update and expand the database • Administer the database • Provide programming services • Track new technology and take advantage ... structure and memory requirements • Network dependent • The structured Query Language (SQL) is used to create and manipulate relational databases Tables, Relationships, Set Theory • The power of a relational...

Ngày tải lên: 17/03/2014, 00:20

Ngày tải lên: 18/03/2014, 02:20

... build the database Documentation of the database design can be printed from the CASE tool Subsequent changes to the database design can be made in the CASE tool and then applied to the database ... modeling Understanding the concepts to be stored in the database is at the heart of good database design (Teorey, 1994; Elmasri and Navathe, 1994) The conceptual design phase of the database life ... both the data in the database and the system or master database are required to restore a database In MySQL, user access rights are stored in the MySQL database, and a filesystem backup of one database...

Ngày tải lên: 23/03/2014, 16:20

... build a relational database? The most popular kind of database is the relational database, invented in the 70s, where the data is stored as relations The first step in building a relational database ... designing the database Then, the database can be created and manipulated using the Structured Query Language (SQL), which allows interaction with relational databases Database management systems - Relational ... language; it is a database sub-language and is becoming the standard interface to relational and non -relational database management systems (DBMS) The DBMS stores the data and retrieves or updates...

Ngày tải lên: 31/03/2014, 20:20

... application of XML Know HTML and you're all ready for the future.[2] [2] We plumb the depths of XML and XHTML in Chapter 15 and Chapter 16 The paradox in all this is that even the HTML 4.01 standard ... Web; they manage the HTTP, Cascading Style Sheet, and Extensible Markup Language (XML) standards, as well as related standards for document addressing on the Web And they solicit draft standards ... in Netscape Navigator and Internet Explorer are now part of the HTML and XHTML 1.0 standards, and there are other parts of the new standard that are not yet features of the popular browsers 1.6.2...

Ngày tải lên: 31/03/2014, 20:40

... quality and meet the desirable properties  The practical utility of these normal forms becomes questionable when the constraints on which they are based are hard to understand or to detect  The database ... X -> YZ, then X -> Y and X -> Z (Union) If X -> Y and X -> Z, then X -> YZ (Psuedotransitivity) If X -> Y and WY -> Z, then WX -> Z  The last three inference rules, as well as any other inference ... called a candidate key One of the candidate keys is arbitrarily designated to be the primary key, and the others are called secondary keys  A Prime attribute must be a member of some candidate...

Ngày tải lên: 12/05/2014, 11:55