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- Describe – DuckDB 13790
- This page is for DuckDB 1.3, which is outdated.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 YES NULL NULL NULL cnt_kirk_hookups BIGINT YES NULL NULL NULL cnt_downed_redshirts BIGINT YES NULL NULL NULL bool_aliens_almost_took_over_planet BIGINT YES NULL NULL NULL bool_aliens_almost_took_over_enterprise BIGINT YES NULL NULL NULL cnt_vulcan_ne...ーワード column table Describing type default extra fired quote order view schema statement query description example aliens almost took over enterprise warp speed phasers ship Documentation 関連するページ Summarize INSERT Statement CREATE VIEW Statement... - https://man.mtool.work/duckdb/1.3/guides/meta/describe.html
- Excel Extension – DuckDB 8404
- This page is for DuckDB 1.3, which is outdated.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
...cel extension has to do some guesswork to "infer" and decide the types of the columns when importing an Excel sheet. While almost all columns are inferred as either DOUBLE or VARCHAR , there are some caveats: TIMESTAMP , TIME , DATE and BOOLEAN types a... - https://man.mtool.work/duckdb/1.3/core_extensions/excel.html
- Building DuckDB from Source – DuckDB 8404
- This page is for DuckDB 1.3, which is outdated.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
...y supports Linux, macOS and Windows. Both x86_64 (amd64) and AArch64 (arm64) builds are available for these platforms, and almost all extensions are distributed for these platforms. Platform name Description linux_amd64 Linux x86_64 (amd64) with glibc... - https://man.mtool.work/duckdb/1.3/dev/building/overview.html
- Writing Tests – DuckDB 8404
- This page is for DuckDB 1.3, which is outdated.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
...y to avoid testing components individually because that makes those components more difficult to change later on. As such, almost all of our tests can (and should) be expressed in pure SQL. There are certain exceptions to this, which we will discuss in... - https://man.mtool.work/duckdb/1.3/dev/sqllogictest/writing_tests.html
- Timestamp Issues – DuckDB 8404
- 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
...Half Open Intervals Another subtle problem in using SQL for temporal analytics is the BETWEEN operator. Temporal analytics almost always uses half-open binning intervals to avoid overlaps at the ends. Unfortunately, the BETWEEN operator is a closed-clo... - https://man.mtool.work/duckdb/1.3/guides/sql_features/timestamps.html
- PostgreSQL Compatibility – DuckDB 8404
- 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
...d !~* are not supported. The table below shows that the correspondence between these functions in PostgreSQL and DuckDB is almost non-existent. We recommend avoiding the POSIX regular expression matching operators in DuckDB. Expression PostgreSQL DuckD... - https://man.mtool.work/duckdb/1.3/sql/dialect/postgresql_compatibility.html
- SQL Quirks – DuckDB 8404
- 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
...dot_product which returns 0 on empty lists. 0 vs. 1-Based Indexing To comply with standard SQL, one-based indexing is used almost everywhere, e.g., array and string indexing and slicing, and window functions ( row_number , rank , dense_rank ). However,... - https://man.mtool.work/duckdb/1.3/sql/dialect/sql_quirks.html
- Reading and Writing Parquet Files – DuckDB 8025
- 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
...oading the Parquet Extension The support for Parquet files is enabled via extension. The parquet extension is bundled with almost all clients. However, if your client does not bundle the parquet extension, the extension must be installed separately: IN... - https://man.mtool.work/duckdb/1.3/data/parquet/overview.html
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