ColdFusion Stored Procedures vs Inline SQL: Performance, Security, and Maintainability

In ColdFusion you can run your database logic two ways — as inline SQL inside / queryExecute(), or as stored procedures in the database called via with and — and the honest answer to "which is better" is it depends on the query and your architecture, not a universal winner. Stored procedures traditionally win on three fronts: performance for complex, frequently-run queries (the database compiles and caches an execution plan the procedure reuses), security (you grant EXECUTE on the procedure without granting access to the underlying tables, and reduce the SQL-injection surface), and maintainability at scale (business logic centralized in one place, fixable without redeploying the app). Inline SQL wins on flexibility (change a query instantly, iterate fast), transparency (the SQL lives right next to your business logic where you can read it), and version control (it travels with your application code in Git). Crucially, the "stored procedures are always faster" claim is dated — for simple queries the difference is negligible or can even reverse, and both approaches are safe only if parameterized (cfqueryparam for inline, cfprocparam for procs). Most mature ColdFusion apps use both: stored procedures for complex, security-sensitive, or heavily-reused operations, and inline SQL for everything else. This guide compares them fairly across performance, security, and maintainability.
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