<ul><li>The task is to group IDs into multiple consecutive intervals, sum up the values within each group, and arrange the calculation results in order of intervals.</li><li>SQL code requires creating a temporary interval table and then associating and aggregating, making the structure complex.</li><li>SPL code provides a simpler and easier-to-understand approach, where data is directly loaded, grouped, and aggregated without the need for table creation or association.</li><li>SPL's pseg function helps determine the interval number where a certain value is located.</li></ul>

Flexible Interval Aggregation — From SQL to SPL #5

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