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FireDAC's Schema Synchronizer in RAD Studio compares two database structures and generates a forward DDL script that applies the detected differences. The tool can also emit a reverse DDL file that undoes those changes, but that output is optional and must be selected manually for each run. There appears to be no documented option that makes reverse DDL gene
Determine whether FireDAC’s FetchOptions.RecsSkip property is honored when a TFDStoredProc returns a cursor result set, or whether the driver falls back to client‑side skipping after retrieving the full cursor. The official documentation does not specify how RecsSkip interacts with stored procedures, and some DBMS drivers are known to ignore the setting for
When utilizing FireDAC's multi-threaded architecture to fetch data in the background, the goal is to maintain a responsive interface. However, pushing high-frequency updates from a background TFDQuery thread to the main UI thread via TThread.Synchronize often results in message queue saturation. In high-concurrency scenarios, the overhead of frequent synchro
Goal Upgrade a small Delphi application while keeping the database online and avoiding any service interruption. Constraints and Uncertainty FireDAC’s SchemaUpdate property can align the database schema with the in‑memory data model at runtime, but the operation is not fully transactional and may silently alter or drop objects if the model diverges from the
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