Results of 1 - 10 of about 370 for Identifiers (0.004 sec.)
- Keywords and Identifiers – DuckDB 19048
- This page is for DuckDB 1.3, which is outdated.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
...ndexes Meta Queries Information Schema Metadata Functions DuckDB's SQL Dialect Overview Indexing Friendly SQL Keywords and Identifiers Order Preservation PostgreSQL Compatibility SQL Quirks Samples Configuration Overview Pragmas Secrets Manager Extensions O...and Format Execution Format Pivot Sitemap Live Demo Documentation / SQL / DuckDB's SQL Dialect Copy Markdown Keywords and Identifiers Identifiers Similarly to other SQL dialects and programming languages, identifiers in DuckDB's SQL are subject to several...rules. Unquoted identifiers need to conform to a number of rules: They must not be a reserved keyword (see duckdb_keywords() ), e.g., SELECT 123 AS SE... - https://man.mtool.work/duckdb/1.3/sql/dialect/keywords_and_identifiers.html
- PostgreSQL Compatibility – DuckDB 11409
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...ndexes Meta Queries Information Schema Metadata Functions DuckDB's SQL Dialect Overview Indexing Friendly SQL Keywords and Identifiers Order Preservation PostgreSQL Compatibility SQL Quirks Samples Configuration Overview Pragmas Secrets Manager Extensions O...ue 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 unquoted identifiers with...Le ( x INTEGER ); SELECT * FROM "MyTaBLe" ; ERROR: relation "MyTaBLe" does not exist PostgreSQL does not only treat quoted identifiers as case-sensitive, PostgreSQL treats all identifiers as case-sensitive, e.g., this also does not work: CREATE TABLE "Prese... - https://man.mtool.work/duckdb/1.3/sql/dialect/postgresql_compatibility.html
- Numeric Types – DuckDB 6511
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...ndexes Meta Queries Information Schema Metadata Functions DuckDB's SQL Dialect Overview Indexing Friendly SQL Keywords and Identifiers Order Preservation PostgreSQL Compatibility SQL Quirks Samples Configuration Overview Pragmas Secrets Manager Extensions O...xample: SELECT sqrt ( 2 ) > '-inf' , 'nan' > sqrt ( 2 ); (sqrt(2) > '-inf') ('nan' > sqrt(2)) true true Universally Unique Identifiers ( UUID s) DuckDB supports universally unique identifiers (UUIDs) through the UUID type. These use 128 bits and are represe...e dashes). For example, 4ac7a9e9-607c-4c8a-84f3-843f0191e3fd is a valid UUID. DuckDB supports generating UUIDv4 and UUIDv7 identifiers. To retrieve the version of a UUID value, use the uuid_extract_version function . UUIDv4 To generate a UUIDv4 value, use t... - https://man.mtool.work/duckdb/1.3/sql/data_types/numeric.html
- SELECT Statement – DuckDB 6273
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...ndexes Meta Queries Information Schema Metadata Functions DuckDB's SQL Dialect Overview Indexing Friendly SQL Keywords and Identifiers Order Preservation PostgreSQL Compatibility SQL Quirks Samples Configuration Overview Pragmas Secrets Manager Extensions O...t of values that is supplied instead of a SELECT statement. Row IDs For each table, the rowid pseudocolumn returns the row identifiers based on the physical storage. CREATE TABLE t ( id INTEGER , content VARCHAR ); INSERT INTO t VALUES ( 42 , 'hello' ), ( 4...3 , 'world' ); SELECT rowid , id , content FROM t ; rowid id content 0 42 hello 1 43 world In the current storage, these identifiers are contiguous unsigned integers (0, 1, …) if no rows were deleted. Deletions introduce gaps in the rowids which may be re... - https://man.mtool.work/duckdb/1.3/sql/statements/select.html
- Friendly SQL – DuckDB 6149
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...ndexes Meta Queries Information Schema Metadata Functions DuckDB's SQL Dialect Overview Indexing Friendly SQL Keywords and Identifiers Order Preservation PostgreSQL Compatibility SQL Quirks Samples Configuration Overview Pragmas Secrets Manager Extensions O...n the JOIN clause Using VALUES in the JOIN clause Using VALUES in the anchor part of common table expressions Literals and Identifiers Case-insensitivity while maintaining case of entities in the catalog Deduplicating identifiers Underscores as digit separa...oundation, Amsterdam NL DuckDB Home Code of Conduct Trademark Use Blog In this article Clauses Query Features Literals and Identifiers Data Types Data Import Functions and Expressions Join Types Trailing Commas "Top-N in Group" Queries Related Blog Posts... - https://man.mtool.work/duckdb/1.3/sql/dialect/friendly_sql.html
- Schema – DuckDB 4960
- 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
...ndexes Meta Queries Information Schema Metadata Functions DuckDB's SQL Dialect Overview Indexing Friendly SQL Keywords and Identifiers Order Preservation PostgreSQL Compatibility SQL Quirks Samples Configuration Overview Pragmas Secrets Manager Extensions O...g on different types by computing a self-join on the LDBC Comment table at scale factor 100 . The table has 64-bit integer identifiers used as the id attribute of each row. We perform the following join operation: SELECT count ( * ) AS count FROM Comment c1... - https://man.mtool.work/duckdb/1.3/guides/performance/schema.html
- Execution Format – DuckDB 4960
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...ndexes Meta Queries Information Schema Metadata Functions DuckDB's SQL Dialect Overview Indexing Friendly SQL Keywords and Identifiers Order Preservation PostgreSQL Compatibility SQL Quirks Samples Configuration Overview Pragmas Secrets Manager Extensions O...ement value. Sequence vectors are useful for efficiently storing incremental sequences. They are generally emitted for row identifiers. Unified Vector Format These properties of the different vector formats are great for optimization purposes, for example y... - https://man.mtool.work/duckdb/1.3/internals/vector.html
- Literal Types – DuckDB 4960
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...ndexes Meta Queries Information Schema Metadata Functions DuckDB's SQL Dialect Overview Indexing Friendly SQL Keywords and Identifiers Order Preservation PostgreSQL Compatibility SQL Quirks Samples Configuration Overview Pragmas Secrets Manager Extensions O...e that double quotes ( " ) cannot be used as string delimiter character: instead, double quotes are used to delimit quoted identifiers . Implicit String Literal Concatenation Consecutive single-quoted string literals separated only by whitespace that contai... - https://man.mtool.work/duckdb/1.3/sql/data_types/literal_types.html
- SQL Introduction – DuckDB 4960
- 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
...ndexes Meta Queries Information Schema Metadata Functions DuckDB's SQL Dialect Overview Indexing Friendly SQL Keywords and Identifiers Order Preservation PostgreSQL Compatibility SQL Quirks Samples Configuration Overview Pragmas Secrets Manager Extensions O...introduce comments. Whatever follows them is ignored up to the end of the line. SQL is case-insensitive about keywords and identifiers. When returning identifiers, their original cases are preserved . In the SQL command, we first specify the type of command... - https://man.mtool.work/duckdb/1.3/sql/introduction.html
- SELECT Clause – DuckDB 4960
- 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
...ndexes Meta Queries Information Schema Metadata Functions DuckDB's SQL Dialect Overview Indexing Friendly SQL Keywords and Identifiers Order Preservation PostgreSQL Compatibility SQL Quirks Samples Configuration Overview Pragmas Secrets Manager Extensions O...rt of a group (as specified by the GROUP BY clause ). Window Functions Generate a row_number column containing incremental identifiers for each row: SELECT row_number () OVER () FROM sales ; Compute the difference between the current amount, and the previou... - https://man.mtool.work/duckdb/1.3/sql/query_syntax/select.html
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