Stored procedures are the backbone of business logic encapsulation in GBase 8a. Effective exception handling and flow control not only prevent unexpected crashes but also make your code far more maintainable. This guide walks through diagnostics commands, exception handlers, loops, branches, and cursors in GBASE's China‑domestically developed MPP cluster database. Diagnostics Commands GBase 8a provides the GET DIAGNOSTICS statement to retrieve execution metadata without relying on implicit variables. Number of Errors / Warnings GET DIAGNOSTICS @ a = NUMBER ; Enter fullscreen mode Exit fullscreen mode Stores the total count of warnings and errors for the current session into @a . Rows Affected by the Last DML GET DIAGNOSTICS @ a = ROW_COUNT ; Enter fullscreen mode Exit fullscreen mode Reflects only the last INSERT, UPDATE, or DELETE operation.…