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9.6 Count number of repetitions of row-based data - by whole row
9.7 Deduplication of simple data
9.8 Deduplication of row-based data - by key column
9.9 Deduplication of row-based data - by whole row
9.10 Deduplication of simple data - keeping order
9.11 Deduplication of row-based data - by key column - keeping order
9.12 Deduplication of row-based data - by whole row - keeping order
9.13 Filter by number of repetitions
9.14 Delete data that can be paired
10.1 Sorting of simple members
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