Agricultural economists have devoted considerable attention to
the financial stress situation of agricultural producers. Many
studies have been conducted in various regions of the U.S. in an
attempt to better understand the causes of the problem. The costs
associated with farm financial stress imply corresponding benefits to
be realized by...
Allegro is a database management system being built at Oregon State University to provide a vehicle for ongoing research in information systems architecture. The initial Allegro system is a single user environment incorporating a limited network model database management system based on the proposals made by various CODASYL committees. This...
This document describes the design and implementation of a pair of language interfaces to a network database management system. CSDDL provides the DBMS with a data description language facility, and CSDSDL functions as a data storage description language interface of the DBMS. Source languages of CSDDL and CSDSDL are approximately...
Display, which is the function for displaying the
schema of the network at the conceptual level, is implemented
to enhance the network database system ALLEGRO.
To display the schema is one step towards modifiable
schemas in the network model. The problem of updating a
schema is examined at all three...
Purpose of the Study:
The purpose of this study was to identify and compare the current
written philosophical expressions of industrial arts with the
acceptance of these by select groups of industrial arts teacher educators.
Procedure:
The data for this study were obtained through the use of a
questionnaire derived...
Allegro is a network database management system being developed at Oregon State University. This project adds a user friendly query facility to the system. The user is presented with pictorial display of the network records and a query interface modeled on the Query-By-Example system. By request the user may be...
The purpose of this study was to compare the effectiveness of a
learner-centered teaching system and that of a conventional teaching of
basic electricity to university students. For this study 65 students
enrolled in basic electricity at Arizona State University in Tempe,
Arizona were used, distributed in two fall semester...
How do organizational members socially construct the shared meaning of a mandated change in the external environment? The opportunity to address this question presented itself when President Barack Obama set forth a goal for American community colleges to increase the number of students completing certificates and degrees by 5 million...
There were six major objectives of this study. The first was to
identify the common career education competencies that elementary
and/or junior high school teachers should have as they adopt and
utilize the concepts of career education. The second purpose was to
identify where, in the professional preparation of the...