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RPG would be my preference on IBM i. But what if your DBMS is Oracle or MS
SQL Server? Developers might use SQL stored procedures, which do run in
the
same address space as the DBMS although my point about "direct access" is
debatable. I'm not sure if Oracle and MS SQL Server provide RLA in
addition
to SQL.
.. what you are naming direct access is ISAM and was developed in the 1960s,
before relational DBMS came up. DB2/400 is the only DB2 dialect providing
ISAM, IBM Host (/360, /370, z-series) has ISAM and VSAM for this, DB2 is
only accessable by SQL. Unix has Informix and C-ISAM. Good practice is to
use ISAM only for small Tables for large Tables and high transaction
throughput RDBMS and SQL is faster and scales better.
@business logic - business rules: maybe my knowledge of enhlish language is
not good enough, in my understanding business logic implements the business
rules (what else should it do?)
D*B
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