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Note: <br /> " When a user copies, renames , or deletes data sources with ArcCatalog , auxiliary files <br /> and other data sources that are linked to the datasets are also copied , renamed, or <br /> deleted . For example, metadata , projection , and index files all accompany a file- <br /> based data source. A file-based raster's auxiliary files will accompany the raster. When <br /> copying a feature class from one personal geodatabase to another, any feature <br /> classes and tables that are linked to it through relationship classes will also be copied to <br /> the destination geodatabase . <br /> How metadata is stored <br /> Metadata created with ArcCatalog is stored as XML, either in a file alongside the item , or <br /> within its geodatabase. XML is a structured markup language similar to hypertext markup <br /> language ( HTML) . HTML defines both the data and how it is presented . XML, on the other <br /> hand , lets the user define data using tags that add context and meaning . <br /> XML is an emerging industry standard that is being used to transfer data across the Internet. <br /> For example , it is often used in e-commerce transactions . Many different applications can <br /> be used to view or edit metadata XML files . <br /> Metadata for folders and aeodatabases <br /> Another new option of ArcCatalog is that the user can document the contents of a folder or <br /> geodatabase . This metadata is created in the some way as shapefile , coverage, or <br /> geodafabase layer metadata . The benefit of this type of documentation is to track <br /> important information such as date of creation , description of file contents and their <br /> purpose , and the status of completion . This type of information is helpful to other users when <br /> they are browsing for data . <br /> 6- 19 <br /> GIS Needs Assessment and Implementation Plan Chapter 6 - Data Standards and Transfer <br />