Labels:text | screenshot | rectangle | yellow | parallel OCR: Why SQL fails: w lt mixes the detail and sums for Totals and subtotals Drill-up and drill down It doesn't handle crosstabs AMETTRES& AIRBNB *limited aggregation functions HOTEL Rank (in sorted order) FOOD N- Ide (histograms) Running average (cumulative functions) Percent of total FIGURE 2. OLAP features missing in relational databases.
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