[Progress Communities] [Progress OpenEdge ABL] Forum Post: SQL89 and server-side joins

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dbeavon

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I was recalling SQL89 the other day, and wondered if anyone here is familiar with how it worked. For example, I'm wondering if it worked over client-server connections. Did it send the entire SELECT operation to the server to evaluate and process? Or did it transform the SQL into some sort of ABL program that ran predominently on the client side of things? Given that Progress is currently spending lots of time on ssj, I'm curious to know if they already had already done some of this work back in the days of SQL89. There aren't very many KB articles that describe SQL89, for better or worse. For example, here one of the few articles: Progress KB - Does performance differ between SQL89 and SQL92? It has a thorough discussion of the performance differences between SQL89 and SQL92.

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