TechTalk #3: Building a banking system with DBI properties
summary
CFT aimed to make its 20+ year banking system DBI (database-independent) so it can run unchanged on any RDBMS; they focused on adapting the system to Oracle and PostgreSQL. The talk describes the engineering effort across a large legacy codebase (over 15 million lines, 2,000+ developers), the practical steps taken to support multiple databases, and the obstacles encountered during that migration.
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