Q14 - Interface Standards Informal Technical Data, Ada Interfaces to SQL.

摘要

This report provides a brief overview of the various methods available for creating an Ada interface to SQL and summarizes the strengths and weaknesses of each. A specific comparison is made between the SQL Ada Module Extension (SAME) and the WIS Ada/SQL. The two approaches are evaluated using thirteen different criteria including 'user code portability', 'performance', 'effective use of Ada', and 'effective use of SQL'. The SQL Ada Module Extension (SAME) approach is recommended for the Software Technology for Adaptable, Reliable Systems (STARS) program as the best available means of providing an Ada-to-SQL interface. Although the WIS-IDA Ada/SQL approach has some noteworthy characteristics, the weight of evidence suggests that much greater effort would be required to transform this approach into a product quality interface than is the case for SAME. (kr)