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Samples – DuckDB 12297: This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... ING SAMPLE 10 PERCENT ( reservoir ); Select a sample of exactly 50 rows of the table using reservoir sampling with a fixed seed (100): SELECT * FROM tbl USING SAMPLE reservoir ( 50 ROWS ) REPEATABLE ( 100 ); Select a sample of approximately 20% of th ... e table using system sampling with a fixed seed (377): SELECT * FROM tbl USING SAMPLE 20 % ( system , 377 ); Select a sample of approximately 20% of tbl before the join w ... ampling a fixed number of rows. Samples are probablistic, that is to say, samples can be different between runs unless the seed is specifically specified. Specifying the seed only guarantees that the sample is the same if multi-threading is not enabl ...; https://man.mtool.work/duckdb/1.3/sql/samples.html

Multiple Python Threads – DuckDB 8894: This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... duckdb_con ,), name = 'read_thread_' + str ( j ))) # Shuffle the threads to simulate a mix of readers and writers random . seed ( 6 ) # Set the seed to ensure consistent results when testing random . shuffle ( threads ) Run Threads and Show Results N ...; https://man.mtool.work/duckdb/1.3/guides/python/multiple_threads.html

Numeric Functions – DuckDB 8395: This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... even rule . Values s < 0 are allowed. round(v NUMERIC, s INTEGER) Round to s decimal places. Values s < 0 are allowed. setseed(x) Sets the seed to be used for the random function. sign(x) Returns the sign of x as -1, 0 or 1. signbit(x) Returns wheth ... RIC, s INTEGER) Description Round to s decimal places. Values s < 0 are allowed. Example round(42.4332, 2) Result 42.43 setseed(x) Description Sets the seed to be used for the random function. Example setseed(0.42) sign(x) Description Returns the sig ...; https://man.mtool.work/duckdb/1.3/sql/functions/numeric.html

Spatial Functions – DuckDB 7360: This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... specified bounding box. Takes a bounding box (min_x, min_y, max_x, max_y), a count of points to generate, and optionally a seed for the random number generator. Example SELECT * FROM ST_GeneratePoints ({ min_x : 0 , min_y : 0 , max_x : 10 , max_y : 1 ...; https://man.mtool.work/duckdb/1.3/core_extensions/spatial/functions.html

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