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18
Publishing Dynamic Data
A Web application page is different from a static Web page because it can publish
data dynamically. This can involve querying databases, connecting to LDAP or mail
servers, and leveraging COM, DCOM, CORBA, or Java objects to retrieve, update,
insert, and delete data at runtime—as your users interact with pages in their
browsers.
For ColdFusion developers, the term data source can refer to a number of different
types of structured content accessible locally or across a network. You can query
Web sites, LDAP servers, POP mail servers, and documents in a variety of formats.
Most commonly though, a database drives your applications, and for this discussion
a data source means the entry point from ColdFusion to a database.
In this chapter, you build a query to retrieve data from the
which accesses a Microosft Access database (company.mdb
or a DBase database on UNIX systems. In subsequent chapters in this book, you will
insert and update data in this database.
To query a database, you need to use:
ColdFusion data sources
The
tag
cfquery
SQL commands
Chapter 3 Querying a Database
data source,
CompanyInfo
, on Windows systems
)
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