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DuckDB 1.3 ドキュメント 全文検索
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Date Types – DuckDB 13069
This page is for DuckDB 1.3, which is outdated.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 ... ted to the date value when read. SELECT '-infinity' :: DATE AS negative , 'epoch' :: DATE AS epoch , 'infinity' :: DATE AS positive ; negative epoch positive -infinity 1970-01-01 infinity Functions See Date Functions . 関連キーワード infinity epoch date ... dates Types Date 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 Timest ...
https://man.mtool.work/duckdb/1.3/sql/data_types/date.html
Numeric Types – DuckDB 9377
This page is for DuckDB 1.3, which is outdated.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 ... es up an extra bit, rounded up to 8 (12 digits take 12 bits, rounded up to 16, becomes two extra bytes). Both negative and positive values are supported by the VARINT type. Fixed-Point Decimals The data type DECIMAL(WIDTH, SCALE) (also available under th ... 6 decimal digits. The DOUBLE type typically has a range of around 1E-307 to 1E+308 with a precision of at least 15 digits. Positive numbers outside of these ranges (and negative numbers ourside the mirrored ranges) may cause errors on some platforms but ...
https://man.mtool.work/duckdb/1.3/sql/data_types/numeric.html
Schema – DuckDB 8152
This page is for DuckDB 1.3, which is outdated.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 ... key 121.0 s Load without primary key then add primary key 242.0 s For this data set, primary keys will only have a (small) positive effect on highly selective queries such as when filtering on a single identifier. Definining primary keys (or indexes) wil ...
https://man.mtool.work/duckdb/1.3/guides/performance/schema.html
Aggregate Functions – DuckDB 8152
This page is for DuckDB 1.3, which is outdated.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 ... finition) with bias correction according to the sample size. mad(x) The median absolute deviation. Temporal types return a positive INTERVAL . median(x) The middle value of the set. For even value counts, quantitative values are averaged and ordinal valu ... ording to the sample size. Formula - Alias(es) - mad(x) Description The median absolute deviation. Temporal types return a positive INTERVAL . Formula median(abs(x - median(x))) Alias(es) - median(x) Description The middle value of the set. For even valu ...
https://man.mtool.work/duckdb/1.3/sql/functions/aggregates.html
CREATE SEQUENCE Statement – DuckDB 8152
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 ... tional clause INCREMENT BY increment specifies which value is added to the current sequence value to create a new value. A positive value will make an ascending sequence, a negative one a descending sequence. The default value is 1. maxvalue The optional ...
https://man.mtool.work/duckdb/1.3/sql/statements/create_sequence.html
Timestamp Types – DuckDB 7860
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 ... mestamp value when read. SELECT '-infinity' :: TIMESTAMP , 'epoch' :: TIMESTAMP , 'infinity' :: TIMESTAMP ; Negative Epoch Positive -infinity 1970-01-01 00:00:00 infinity Functions See Timestamp Functions . Time Zones To understand time zones and the WIT ...
https://man.mtool.work/duckdb/1.3/sql/data_types/timestamp.html
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