4GL Query concepts (FOR EACH, FIND, GET, INDEX)

Very often even experienced Progress developers are confused about the rules the Progress compiler or runtime use to decide which indexes should be used to execute a certain 4GL/ABL query. The Progress knowledge base contains an article that was formerly published under the engine crew monographs. This article uncovers the strategies of query execution on the ABL.

ID: P12969
Title: “4GL Query concepts (FOR EACH, FIND, GET, INDEX)”

Search the Progress knowledge base on the Tech-Support Website by ID P12969 to read the full article, or follow https://knowledgebase.progress.com/articles/Article/000012195?q=4gl+query+concepts&l=en_US&fs=Search&pn=1