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- CREATE SEQUENCE Statement – DuckDB 13620
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...down CREATE SEQUENCE Statement The CREATE SEQUENCE statement creates a new sequence number generator. Examples Generate an ascending sequence starting from 1: CREATE SEQUENCE serial ; Generate sequence from a given start number: CREATE SEQUENCE serial STA...CYCLE or NO CYCLE The CYCLE option allows the sequence to wrap around when the maxvalue or minvalue has been reached by an ascending or descending sequence respectively. If the limit is reached, the next number generated will be the minvalue or maxvalue ,...ncrement specifies which value is added to the current sequence value to create a new value. A positive value will make an ascending sequence, a negative one a descending sequence. The default value is 1. maxvalue The optional clause MAXVALUE maxvalue det... - https://man.mtool.work/duckdb/1.3/sql/statements/create_sequence.html
- ORDER BY Clause – DuckDB 11024
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...e query (just prior to LIMIT or OFFSET , if present). The ORDER BY clause sorts the rows on the sorting criteria in either ascending or descending order. In addition, every order clause can specify whether NULL values should be moved to the beginning or t...self. See examples below. NULL Order Modifier By default, DuckDB sorts ASC and NULLS LAST , i.e., the values are sorted in ascending order and NULL values are placed last. This is identical to the default sort order of PostgreSQL. The default sort order c...esses ORDER BY city COLLATE DE ; ORDER BY ALL Examples Order from left to right (by address, then by city, then by zip) in ascending order: SELECT * FROM addresses ORDER BY ALL ; address city zip 111 Duck Duck Goose Ln Duck Town 11111 111 Duck Duck Goose... - https://man.mtool.work/duckdb/1.3/sql/query_syntax/orderby.html
- Aggregate Functions – DuckDB 9477
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...ed by ordering . arg_min(arg, val, n) Returns a LIST containing the arg expressions for the "bottom" n rows ordered by val ascending. This function is affected by ordering . arg_min_null(arg, val) Finds the row with the minimum val and calculates the arg...s unaffected by distinctness . min(arg, n) Returns a LIST containing the arg values for the "bottom" n rows ordered by arg ascending. min_by(arg, val) Finds the row with the minimum val . Calculates the arg expression at that row. This function is affecte...d by ordering . min_by(arg, val, n) Returns a LIST containing the arg expressions for the "bottom" n rows ordered by val ascending. product(arg) Calculates the product of all non-null values in arg . string_agg(arg) Concatenates the column string values... - https://man.mtool.work/duckdb/1.3/sql/functions/aggregates.html
- Pragmas – DuckDB 8268
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...LLS_FIRST' ; SET default_null_order = 'NULLS_LAST_ON_ASC_FIRST_ON_DESC' ; Set the default result set ordering direction to ASCENDING or DESCENDING : SET default_order = 'ASCENDING' ; SET default_order = 'DESCENDING' ; Ordering by Non-Integer Literals By d... - https://man.mtool.work/duckdb/1.3/configuration/pragmas.html
- Integration with Ibis – DuckDB 8090
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...──┴───────┘ You can read more about selectors in the docs! order_by order_by arranges the values of one or more columns in ascending or descending order. By default, ibis sorts in ascending order: penguins . order_by ( penguins . flipper_length_mm ). sele... - https://man.mtool.work/duckdb/1.3/guides/python/ibis.html
- List Functions – DuckDB 8090
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..., 2 , 3 ], 'string_agg' , '-' ) AS str ; 1-2-3 Sorting Lists The function list_sort sorts the elements of a list either in ascending or descending order. In addition, it allows to provide whether NULL values should be moved to the beginning or to the end...t as in ORDER BY . By default, if no modifiers are provided, DuckDB sorts ASC NULLS FIRST . I.e., the values are sorted in ascending order and NULL values are placed first. This is identical to the default sort order of SQLite. The default sort order can... - https://man.mtool.work/duckdb/1.3/sql/functions/list.html
- Expression API – DuckDB 7930
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...following order operations can be applied. Operation Description .asc() Indicates that this expression should be sorted in ascending order .desc() Indicates that this expression should be sorted in descending order .nulls_first() Indicates that the nulls... - https://man.mtool.work/duckdb/1.3/clients/python/expression.html
- Indexing – DuckDB 7930
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...ffect of Ordering For an example, let's repeat the microbenchmark for timestamps with an ordered timestamp column using an ascending order vs. an unordered one. Column type Ordered Storage size Query time DATETIME yes 1.3 GB 0.6 s DATETIME no 3.3 GB 0.9 s... - https://man.mtool.work/duckdb/1.3/guides/performance/indexing.html
- Friendly SQL – DuckDB 7930
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...rg, val, n) and min_by(arg, val, n) to efficiently return the "top" n rows in a group based on a specific column in either ascending or descending order. For example, let's use the following table: SELECT * FROM t1 ; ┌─────────┬───────┐ │ grp │ val │ │ va... - https://man.mtool.work/duckdb/1.3/sql/dialect/friendly_sql.html
- SELECT Statement – DuckDB 7930
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...ically they are applied at the very end of the query. The ORDER BY clause sorts the rows on the sorting criteria in either ascending or descending order. The LIMIT clause restricts the amount of rows fetched, while the OFFSET clause indicates at which pos... - https://man.mtool.work/duckdb/1.3/sql/statements/select.html
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