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- Comparisons 11228
- Comparison Operators The table below shows the standard comparison operators. Whenever either of the input arguments is NULL , the output of the comparison is NULL . Operator Description Example Result < less than 2 < 3 true > greater than
...equal to 4 >= NULL NULL = or == equal NULL = NULL NULL <> or != not equal 2 <> 2 false The table below shows the standard distinction operators. These operators treat NULL values as equal. Operator Description Example Result IS DISTINCT FROM not equal, inc... - https://man.mtool.work/duckdb/2.0/sql/expressions/comparison_operators.html
- Samples 7485
- Samples are used to randomly select a subset of a dataset. Examples Select a sample of exactly 5 rows from tbl using reservoir sampling: SELECT * FROM tbl USING SAMPLE 5; Select a sample of approximately 10% of the table using system sampli
...nd of the SELECT statement body and samples the result of the entire FROM clause, after all joins have been resolved. This distinction is relevant when there are joins present in the query plan. TABLESAMPLE can be applied to any table expression in the FROM... - https://man.mtool.work/duckdb/2.0/sql/samples.html
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