### Result ![[assets/ex_result.png|256]] ### The Explain Trace ```sql -- A simple constant result EXPLAIN (ANALYZE, COSTS, BUFFERS, VERBOSE) SELECT 1; ``` ```text Result (cost=1.00..1.01 rows=1 width=4) (actual time=1.001..1.001 rows=1 loops=1) Output: 1 ``` --- - **Description**: Represents a constant result set or no-op. - **Performance**: Near-zero overhead; typically used for `VALUES` lists, constant `SELECT` statements, or as a dummy node in more complex structures. - **Factors**: Generally constant time. - **Cost**: Constant cost. - **Operates on**: [[Structures/Tuple]] - **Workloads**: - [[Workloads/LWLock/Buffers/BufferContent|LWLock: BufferContent]]