Updating strings into access database

The answers to these questions will strongly influence your choice of database and middleware (if any), as well as how you use that database.

For example, suppose you have an e-commerce application that uses XML as a data transport.

This paper gives a high-level overview of how to use XML with databases.

It describes how the differences between data-centric and document-centric documents affect their usage with databases, how XML is commonly used with relational databases, and what native XML databases are and when to use them.

The answer to this question is, "Sort of." On the plus side, XML provides many of the things found in databases: storage (XML documents), schemas (DTDs, XML Schemas, RELAX NG, and so on), query languages (XQuery, XPath, XQL, XML-QL, QUILT, etc.), programming interfaces (SAX, DOM, JDOM), and so on.

On the minus side, it lacks many of the things found in real databases: efficient storage, indexes, security, transactions and data integrity, multi-user access, triggers, queries across multiple documents, and so on.

Examples of more sophisticated data sets for which an XML document might be suitable as a database are personal contact lists (names, phone numbers, addresses, etc.), browser bookmarks, and descriptions of the MP3s you've stolen with the help of Napster.However, it was always somewhat unrealistic, as many XML documents are not strictly data-centric or document-centric, but somewhere in between.So while the data-centric/document-centric divide is a convenient starting point, it is better to understand the differences between XML-enabled databases and native XML databases and to choose the appropriate database based on your processing needs.However, given the low price and ease of use of databases like d BASE and Access, there seems little reason to use an XML document as a database even in these cases.The only real advantage of XML is that the data is portable, and this is less of an advantage than it seems due to the widespread availability of tools for serializing databases as XML.

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