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Keywords and Identifiers – DuckDB 12648: This page is for DuckDB 1.3, which is outdated.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 ... tach to a database that has one of these names, use an alias, e.g.: ATTACH 'temp.db' AS temp2 ; USE temp2 ; Rules for Case-Sensitivity Keywords and Function Names SQL keywords and function names are case-insensitive in DuckDB. For example, the following two ... queries are equivalent: select COS ( Pi ()) as CosineOfPi ; SELECT cos ( pi ()) AS CosineOfPi ; CosineOfPi -1.0 Case-Sensitivity of Identifiers Identifiers in DuckDB are always case-insensitive, similarly to PostgreSQL. However, unlike PostgreSQL (and ... r major SQL implementations), DuckDB also treats quoted identifiers as case-insensitive. Comparison of identifiers: Case-insensitivity is implemented using an ASCII-based comparison: col_A and col_a are equal but col_á is not equal to them. SELECT col_A FRO ...; https://man.mtool.work/duckdb/1.3/sql/dialect/keywords_and_identifiers.html

Data Types – DuckDB 9413: This page is for DuckDB 1.3, which is outdated.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 ... s may be set to different member types of the union. union_value(num := 2) UNION(num INTEGER, text VARCHAR) Rules for Case Sensitivity The keys of MAP s are case-sensitive, while keys of UNION s and STRUCT s are case-insensitive. For examples, see the Rules ... for Case Sensitivity section . Updating Values of Nested Types When performing updates on values of nested types, DuckDB performs a delete oper ... Home Code of Conduct Trademark Use Blog In this article General-Purpose Data Types Nested / Composite Types Rules for Case Sensitivity Updating Values of Nested Types Nesting Performance Implications ...; https://man.mtool.work/duckdb/1.3/sql/data_types/overview.html

PostgreSQL Compatibility – DuckDB 8420: This page is for DuckDB 1.3, which is outdated.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 ... ror true '1.1' = 1.1 true true 1 = 1.1 false false true = 'true' true true true = 1 error true 'true' = 1 error error Case Sensitivity for Quoted Identifiers PostgreSQL is case-insensitive. The way PostgreSQL achieves case insensitivity is by lowercasing un ... eservedCase" ( x INTEGER ); SELECT * FROM PreservedCase ; ERROR: relation "preservedcase" does not exist Therefore, case-insensitivity in PostgreSQL only works if you never use quoted identifiers with different cases. For DuckDB, this behavior was problemat ... are case-sensitive by default – since all identifiers would be lowercased all the time. Therefore, DuckDB achieves case insensitivity by making identifiers fully case insensitive throughout the system but preserving their case . In DuckDB, the scripts abov ...; https://man.mtool.work/duckdb/1.3/sql/dialect/postgresql_compatibility.html

SELECT Clause – DuckDB 7721: 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 ... the user the expressions are named automatically by the system. Column names are case-insensitive. See the Rules for Case Sensitivity for more details. Star Expressions Select all columns from the table called table_name : SELECT * FROM table_name ; Select ...; https://man.mtool.work/duckdb/1.3/sql/query_syntax/select.html

SELECT Statement – DuckDB 7721: 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 ... e DISTINCT keyword ensures that only unique tuples are returned. Column names are case-insensitive. See the Rules for Case Sensitivity for more details. FROM Clause The FROM clause specifies the source of the data on which the remainder of the query should ...; https://man.mtool.work/duckdb/1.3/sql/statements/select.html

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