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- Spatial Functions – DuckDB 14038
- This page is for DuckDB 1.3, which is outdated.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
...ill in" the input geometry. ST_Centroid Returns the centroid of a geometry ST_Collect Collects a list of geometries into a collection geometry. ST_CollectionExtract Extracts geometries from a GeometryCollection into a typed multi geometry. ST_ConcaveHull R.... Possible enum return types are: POINT , LINESTRING , POLYGON , MULTIPOINT , MULTILINESTRING , MULTIPOLYGON , and GEOMETRYCOLLECTION . ST_HasM Check if the input geometry has M values. ST_HasZ Check if the input geometry has Z values. ST_Hilbert Encodes t...(). ST_Multi Turns a single geometry into a multi geometry. ST_NGeometries Returns the number of component geometries in a collection geometry. ST_NInteriorRings Returns the number of interior rings of a polygon ST_NPoints Returns the number of vertices wi... - https://man.mtool.work/duckdb/1.3/core_extensions/spatial/functions.html
- SQL Introduction – DuckDB 8574
- This page is for DuckDB 1.3, which is outdated.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
...em for managing data stored in relations. A relation is essentially a mathematical term for a table. Each table is a named collection of rows. Each row of a given table has the same set of named columns, and each column is of a specific data type. Tables t...hemselves are stored inside schemas, and a collection of schemas constitutes the entire database that you can access. Creating a New Table You can create a new table by specify... - https://man.mtool.work/duckdb/1.3/sql/introduction.html
- Spatial Extension – DuckDB 8412
- This page is for DuckDB 1.3, which is outdated.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
...ually used to store one of several different geometry subtypes. These are POINT , LINESTRING , POLYGON , as well as their “collection” equivalents, MULTIPOINT , MULTILINESTRING and MULTIPOLYGON . Lastly there is GEOMETRYCOLLECTION , which can contain any o...f the other subtypes, as well as other GEOMETRYCOLLECTION s recursively. This may seem strange at first, since DuckDB already have types like LIST , STRUCT and UNION which could be... - https://man.mtool.work/duckdb/1.3/core_extensions/spatial/overview.html
- CSV Import Tips – DuckDB 8412
- 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
...Execution Format Pivot Sitemap Live Demo Documentation / Data Import / CSV Files Copy Markdown CSV Import Tips Below is a collection of tips to help when attempting to import complex CSV files. In the examples, we use the flights.csv file. Override the He... - https://man.mtool.work/duckdb/1.3/data/csv/tips.html
- Parquet Tips – DuckDB 8412
- 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
...Execution Format Pivot Sitemap Live Demo Documentation / Data Import / Parquet Files Copy Markdown Parquet Tips Below is a collection of tips to help when dealing with Parquet files. Tips for Reading Parquet Files Use union_by_name When Loading Files with... - https://man.mtool.work/duckdb/1.3/data/parquet/tips.html
- Integration with Ibis – DuckDB 8412
- 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
...────────┴────────────────┴───────────────┴───────────────────┴─────────────┴────────┴───────┘ Common Operations Ibis has a collection of useful table methods to manipulate and query the data in a table. filter filter allows you to select rows based on a co...│ └───────────┴──────────────────┘ What about the largest male penguin (by body mass) on each island for each year of data collection? penguins . filter ( penguins . sex == "male" ). group_by ([ "island" , "year" ]). aggregate ( penguins . body_mass_g . ma... - https://man.mtool.work/duckdb/1.3/guides/python/ibis.html
- IN Operator – DuckDB 8412
- 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
...ntation / SQL / Expressions Copy Markdown IN Operator The IN operator checks containment of the left expression inside the collection on the right hand side (RHS). Supported collections on the RHS are tuples, lists, maps and subqueries that return a single... - https://man.mtool.work/duckdb/1.3/sql/expressions/in.html
- Execution Format – DuckDB 8250
- 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
...opy Markdown Execution Format Vector is the container format used to store in-memory data during execution. DataChunk is a collection of Vectors, used for instance to represent a column list in a PhysicalProjection operator. Data Flow DuckDB uses a vectori... - https://man.mtool.work/duckdb/1.3/internals/vector.html
- DuckDB_% Metadata Functions – DuckDB 7909
- 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
...ormat Pivot Sitemap Live Demo Documentation / SQL / Meta Queries Copy Markdown DuckDB_% Metadata Functions DuckDB offers a collection of table functions that provide metadata about the current database. These functions reside in the main schema and their n... - https://man.mtool.work/duckdb/1.3/sql/meta/duckdb_table_functions.html
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