Results of 1 - 10 of about 23 for specifies (0.004 sec.)
- Loading JSON – DuckDB 13388
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...ection. BIGINT 32 maximum_object_size The maximum size of a JSON object (in bytes). UINTEGER 16777216 The format parameter specifies how to read the JSON from a file. With unstructured , the top-level JSON is read, e.g., for birds.json : { "duck" : 42 } {...ct Whether to auto-detect the names of the keys and data types of the values automatically BOOL true columns A struct that specifies the key names and value types contained within the JSON file (e.g., {key1: 'INTEGER', key2: 'VARCHAR'} ). If auto_detect i...s enabled these will be inferred STRUCT (empty) dateformat Specifies the date format to use when parsing dates. See Date Format VARCHAR iso maximum_depth Maximum nesting depth to which the au... - https://man.mtool.work/duckdb/1.3/data/json/loading_json.html
- SELECT Statement – DuckDB 12182
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...agrams into several parts. The full syntax diagram can be found at the bottom of the page. SELECT Clause The SELECT clause specifies the list of columns that will be returned by the query. While it appears first in the clause, logically the expressions he...urned. 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 operate. Logically, the FROM clause is where the query s..., but before the where clause or any aggregates). See the Samples page for more information. WHERE Clause The WHERE clause specifies any filters to apply to the data. This allows you to select only a subset of the data in which you are interested. Logical... - https://man.mtool.work/duckdb/1.3/sql/statements/select.html
- SQL Introduction – DuckDB 10372
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...rs for the command. First, the table name, weather , is given. Then the column names and column types follow. city VARCHAR specifies that the table has a column called city that is of type VARCHAR . VARCHAR specifies a data type that can store text of arb...table list (the part that lists the tables from which to retrieve the data), and an optional qualification (the part that specifies any restrictions). For example, to retrieve all the rows of table weather, type: SELECT * FROM weather ; Here * is a short...s used to relabel the output column. (The AS clause is optional.) A query can be “qualified” by adding a WHERE clause that specifies which rows are wanted. The WHERE clause contains a Boolean (truth value) expression, and only rows for which the Boolean e... - https://man.mtool.work/duckdb/1.3/sql/introduction.html
- COPY Statement – DuckDB 10372
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...h few exceptions, the below options are applicable to all formats written with COPY . Name Description Type Default FORMAT Specifies the copy function to use. The default is selected from the file extension (e.g., .parquet results in a Parquet file being...gzip , file.csv.zst will use zstd , and file.csv will use none ). Options are none , gzip , zstd . VARCHAR auto DATEFORMAT Specifies the date format to use when writing dates. See Date Format . VARCHAR (empty) DELIM or SEP The character that is written to...t to false . VARCHAR (empty) QUOTE The quoting character to be used when a data value is quoted. VARCHAR " TIMESTAMPFORMAT Specifies the date format to use when writing timestamps. See Date Format . VARCHAR (empty) Parquet Options The below options are ap... - https://man.mtool.work/duckdb/1.3/sql/statements/copy.html
- Date Types – DuckDB 9367
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...mentation / SQL / Data Types Copy Markdown Date Types Name Aliases Description DATE Calendar date (year, month day) A date specifies a combination of year, month and day. DuckDB follows the SQL standard's lead by counting dates exclusively in the Gregoria...ate Description year month calendar values system negative positive Functions Documentation Copy Markdown Aliases Calendar specifies combination DuckDB follows standard 関連するページ Timestamp Types Timestamp Functions Date Functions Timestamp with Time... - https://man.mtool.work/duckdb/1.3/sql/data_types/date.html
- WHERE Clause – DuckDB 9367
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...at Execution Format Pivot Sitemap Live Demo Documentation / SQL / Query Syntax Copy Markdown WHERE Clause The WHERE clause specifies any filters to apply to the data. This allows you to select only a subset of the data in which you are interested. Logical...; Syntax 関連キーワード rows table clause match given expression Syntax case mark Documentation Query Copy Markdown Clause specifies filters apply allows subset interested Logically applied immediately after Examples 関連するページ SELECT Statement DELETE... - https://man.mtool.work/duckdb/1.3/sql/query_syntax/where.html
- Subqueries – DuckDB 8562
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...tifier. Available quantifiers are ALL , ANY and SOME . The quantifiers ANY and SOME are equivalent. ALL The ALL quantifier specifies that the comparison as a whole evaluates to true when the individual comparison results of the expression at the left hand...ult 7. And thus, because not all comparisons evaluate true , >= ALL as a whole evaluates to false . ANY The ANY quantifier specifies that the comparison as a whole evaluates to true when at least one of the individual comparison results evaluates to true... - https://man.mtool.work/duckdb/1.3/sql/expressions/subqueries.html
- Parquet Tips – DuckDB 7775
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...0_000 )) TO 'test.parquet' ( FORMAT parquet , PER_THREAD_OUTPUT ); Selecting a ROW_GROUP_SIZE The ROW_GROUP_SIZE parameter specifies the minimum number of rows in a Parquet row group, with a minimum value equal to DuckDB's vector size, 2,048, and a defaul... - https://man.mtool.work/duckdb/1.3/data/parquet/tips.html
- GROUP BY Clause – DuckDB 7775
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...cution Format Pivot Sitemap Live Demo Documentation / SQL / Query Syntax Copy Markdown GROUP BY Clause The GROUP BY clause specifies which grouping columns should be used to perform any aggregations in the SELECT clause. If the GROUP BY clause is specifie... - https://man.mtool.work/duckdb/1.3/sql/query_syntax/groupby.html
- Storage Versions and Format – DuckDB 7574
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...this, you can opt-in to newer forwards-incompatible features: ATTACH 'file.db' ( STORAGE_VERSION 'v1.2.0' ); This setting specifies the minimum DuckDB version that should be able to read the database file. When database files are written with this option... - https://man.mtool.work/duckdb/1.3/internals/storage.html
DuckDB 1.3 Documentation / man.mtool.work