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- UNPIVOT Statement 12151
- The UNPIVOT statement allows multiple columns to be stacked into fewer columns. In the basic case, multiple columns are stacked into two columns: a NAME column (which contains the name of the source column) and a VALUE column (which contain
...ot Internals site . The PIVOT statement is the inverse of the UNPIVOT statement. Simplified UNPIVOT Syntax The full syntax diagram is below, but the simplified UNPIVOT syntax can be summarized using spreadsheet pivot table naming conventions as: UNPIVOT...LECT 42 AS col1, 'woot' AS col2) ON (col1 * 2)::VARCHAR, col2; name value col1 84 col2 woot Simplified UNPIVOT Full Syntax Diagram Below is the full syntax diagram of the UNPIVOT statement. SQL Standard UNPIVOT Syntax The full syntax diagram is below, b...6 2 clothes q1 10 20 30 2 clothes q2 40 50 60 3 cars q1 100 200 300 3 cars q2 400 500 600 SQL Standard UNPIVOT Full Syntax Diagram Below is the full syntax diagram of the SQL Standard version of the UNPIVOT statement.... - https://man.mtool.work/duckdb/2.0/sql/statements/unpivot.html
- PIVOT Statement 11701
- The PIVOT statement allows distinct values within a column to be separated into their own columns. The values within those new columns are calculated using an aggregate function on the subset of rows that match each distinct value. DuckDB i
...ivot Internals site . The UNPIVOT statement is the inverse of the PIVOT statement. Simplified PIVOT Syntax The full syntax diagram is below, but the simplified PIVOT syntax can be summarized using spreadsheet pivot table naming conventions as: PIVOT ⟨da...rdam New York City Seattle NL 1005 1065 1158 3228 NULL NULL US 8579 8783 9510 NULL 24962 1910 Simplified PIVOT Full Syntax Diagram Below is the full syntax diagram of the PIVOT statement. SQL Standard PIVOT Syntax The full syntax diagram is below, but t...0 1065 1 NULL 0 Seattle NULL 0 564 1 NULL 0 608 1 New York City NULL 0 8015 1 NULL 0 8175 1 SQL Standard PIVOT Full Syntax Diagram Below is the full syntax diagram of the SQL Standard version of the PIVOT statement. Expressions in the USING Clause The U... - https://man.mtool.work/duckdb/2.0/sql/statements/pivot.html
- SELECT Statement 10317
- The SELECT statement retrieves rows from the database. Examples Select all columns from the table tbl : SELECT * FROM tbl; Select the rows from tbl : SELECT j FROM tbl WHERE i = 3; Perform an aggregate grouped by the column i : SELECT i, su
...e SELECT statement can be prefixed with a WITH clause . As the SELECT statement is so complex, we have split up the syntax diagrams into several parts. The full syntax diagram can be found at the bottom of the page. SELECT Clause The SELECT clause speci...s. If there is a user-defined column named rowid , it shadows the rowid pseudocolumn. Common Table Expressions Full Syntax Diagram Below is the full syntax diagram of the SELECT statement:... - https://man.mtool.work/duckdb/2.0/sql/statements/select.html
- INSERT Statements 8628
- INSERT statements are the standard way of loading data into a relational database. When using INSERT statements, the values are supplied row-by-row. While simple, there is significant overhead involved in parsing and processing individual I
...ame VARCHAR); INSERT INTO people VALUES (1, 'Mark'), (2, 'Hannes'); For a more detailed description together with a syntax diagram, see the page on the INSERT statement .... - https://man.mtool.work/duckdb/2.0/data/insert.html
- Window Functions 7855
- DuckDB supports window functions , which can use multiple rows to calculate a value for each row. Window functions are blocking operators , i.e., they require their entire input to be buffered, making them one of the most memory-intensive o
...ng value and a distance, or as a number of groups (sets of rows with the same sort value). The full syntax is shown in the diagram at the top of the page, and this diagram visually illustrates computation environment: Partition and Ordering Partitioning... - https://man.mtool.work/duckdb/2.0/sql/functions/window_functions.html
- COPY Statement 7855
- Examples Read a CSV file into the lineitem table, using auto-detected CSV options: COPY lineitem FROM 'lineitem.csv'; Read a CSV file into the lineitem table, using manually specified CSV options: COPY lineitem FROM 'lineitem.csv' (DELIMITE
...o ensure compatibility with PostgreSQL, DuckDB accepts COPY ... FROM statements that do not fully comply with the railroad diagram shown here. For example, the following is a valid statement: sql COPY tbl FROM 'tbl.csv' WITH DELIMITER '|' CSV HEADER; CO...To ensure compatibility with PostgreSQL, DuckDB accepts COPY ... TO statements that do not fully comply with the railroad diagram shown here. For example, the following is a valid statement: sql COPY (SELECT 42 AS x, 84 AS y) TO 'out.csv' WITH DELIMITE... - https://man.mtool.work/duckdb/2.0/sql/statements/copy.html
- CREATE TABLE Statement 7549
- The CREATE TABLE statement creates a table in the catalog. Examples Create a table with two integer columns ( i and j ): CREATE TABLE t1 (i INTEGER, j INTEGER); Create a table with a primary key: CREATE TABLE t1 (id INTEGER PRIMARY KEY, j V
...to PostgreSQL, for example). They can be created using the CREATE TEMP TABLE or the CREATE TEMPORARY TABLE statement (see diagram below) and are part of the temp.main schema. While discouraged, their names can overlap with the names of the regular data... - https://man.mtool.work/duckdb/2.0/sql/statements/create_table.html
- Spatial Functions 7387
- Function Index Scalar Functions Function Summary DuckDB_PROJ_Compiled_Version Returns a text description of the PROJ library version that this instance of DuckDB was compiled against. DuckDB_Proj_Version Returns a text description of the PR
...h ST_Transform Transforms a geometry between two coordinate systems ST_Union Returns the union of two geometries ST_VoronoiDiagram Returns the Voronoi diagram of the supplied MultiPoint geometry ST_Within Returns true if the first geometry is within the...ion Signature GEOMETRY ST_Union (geom1 GEOMETRY, geom2 GEOMETRY) Description Returns the union of two geometries ST_VoronoiDiagram Signature GEOMETRY ST_VoronoiDiagram (geom GEOMETRY) Description Returns the Voronoi diagram of the supplied MultiPoint ge... - https://man.mtool.work/duckdb/2.0/core_extensions/spatial/functions.html
- CREATE MACRO Statement 7387
- The CREATE MACRO statement defines a named, callable SQL expression as a database schema object. Macros may declare parameters, which can be referenced by its expression. Once a macro is created, it may be called by referencing its name and
...can be any valid SQL expression provided the expression's type is aligned with the macro's type . Please review the syntax diagram for a more precise and detailed overview of the CREATE MACRO statement. Types of Macros The contexts where a particular ma... - https://man.mtool.work/duckdb/2.0/sql/statements/create_macro.html
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