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SAS/ACCESS 9.2 for Relational Databases: Reference, Fourth Edition

SAS/ACCESS 9.2 for Relational Databases: Reference, Fourth Edition

SAS/ACCESS 9.2 for Relational Databases: Reference, Fourth Edition

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927GlossaryThis glossary defines <strong>SAS</strong> software terms that are used in this document as well asterms that relate specifically to <strong>SAS</strong>/<strong>ACCESS</strong> software.access descriptora <strong>SAS</strong>/<strong>ACCESS</strong> file that describes data that is managed by a data managementsystem. After creating an access descriptor, you can use it as the basis <strong>for</strong> creatingone or more view descriptors. See also view and view descriptor.browsing datathe process of viewing the contents of a file. Depending on how the file is accessed,you can view <strong>SAS</strong> data either one observation (row) at a time or as a group in atabular <strong>for</strong>mat. You cannot update data that you are browsing.bulk loadto load large amounts of data into a database object, using methods that are specificto a particular DBMS. Bulk loading enables you to rapidly and efficiently addmultiple rows of data to a table as a single unit.client(1) a computer or application that requests services, data, or other resources from aserver. (2) in the X Window System, an application program that interacts with the Xserver and can per<strong>for</strong>m tasks such as terminal emulation or window management.For example, <strong>SAS</strong> is a client because it requests windows to be created, results to bedisplayed, and so on.columnin relational databases, a vertical component of a table. Each column has a uniquename, contains data of a specific type, and has certain attributes. A column isanalogous to a variable in <strong>SAS</strong> terminology.column functionan operation that is per<strong>for</strong>med <strong>for</strong> each value in the column that is named as anargument of the function. For example, AVG(SALARY) is a column function.committhe process that ends a transaction and makes permanent any changes to thedatabase that the user made during the transaction. When the commit processoccurs, locks on the database are released so that other applications can access thechanged data. The SQL COMMIT statement initiates the commit process.

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