By Robert Laberge, Srdjan Vujosevic
* Introduces the cellular databases (their structure and lines) and the way they function and deal with the fundamental job of synchronization. * Explains how the company workforce can stream to a hand-held equipment and now have easy accessibility to company databases. * site comprises all resource code for operating examples of purposes exhibiting cellular databases in use. * Foreword and endorsement by way of invoice Inmon, the "Father of knowledge Warehousing."
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Extra info for Building PDA Databases for Wireless and Mobile Development
Backups An important portion of database administration is to ensure data availability and safekeeping. The operational database on the PC or network has its own backup and restore strategy, hopefully, and now we must take into consideration the data on the PDA. Under normal circumstances, the user should be able to connect to the network or PC via HotSync or ActiveSync (whatever conduit tool is being used). The data from the PDA can then be synchronized and backed up on the PC. However, what if the connection cannot be made?
Client−Server History A major step in the advancement of computer technology was the database. The transition from flat files to a structured, organized, and optimized method of storing and retrieving information was a tremendous move forward. This was way before the personal computer came about, before the Internet, and long before the wireless computer was even conceived. It was the first attempt at understanding data architecture and modeling. In the beginning of the Computer Age, computers were primarily used for processing and calculation purposes.
Back−end systems can move to different machines, platforms, databases, and operating systems without the front−end presentation layer being affected. No matter the number of tiers (servers), the user can read data from a site or single point of entry and not have to worry about access or location of data. It's the same idea as browsing the Internetyou really have no idea where the data comes from, where it's located, or whether it's on a single machine or distributed across multiple database back−end servers.