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- CREATE VIEW Statement – DuckDB 13378
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...Examples Create a simple view: CREATE VIEW v1 AS SELECT * FROM tbl ; Create a view or replace it if a view with that name already exists: CREATE OR REPLACE VIEW v1 AS SELECT 42 ; Create a view and replace the column names: CREATE VIEW v1 ( a ) AS SELEC...ery is run every time the view is referenced in a query. CREATE OR REPLACE VIEW is similar, but if a view of the same name already exists, it is replaced. If a schema name is given then the view is created in the specified schema. Otherwise, it is creat...from the name of any other view or table in the same schema. 関連キーワード view schema query Create views defines replace already exists duckdb given created Documentation Statements Copy Markdown Statement statement catalog Examples column names behin... - https://man.mtool.work/duckdb/1.3/sql/statements/create_view.html
- Full-Text Search – DuckDB 11858
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...75 H4/1.2.21 Henry IV FALSTAFF prologue to an egg and butter. 3.836270302568675 H4/2.1.55 Henry IV Chamberlain They are up already, and call for eggs and butter; 3.3844488405497115 H4/4.2.21 Henry IV FALSTAFF toasts-and-butter, with hearts in their bell...ies no 3.3844488405497115 H4/4.2.62 Henry IV PRINCE HENRY already made thee butter. But tell me, Jack, whose 3.3844488405497115 AWW/4.1.40 Alls well that ends well PAROLLES butter-womans m...us Henry column play score Shakespeare speaker well Merry Wives Windsor unique Text query Corpus number create table match already 関連するページ Full Create Synthetic Data CREATE INDEX Statement Struct Functions Directly Reading Files Editing See this... - https://man.mtool.work/duckdb/1.3/guides/sql_features/full_text_search.html
- CREATE TABLE Statement – DuckDB 10709
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...or dropping the existing table and then creating the new one. Create a table with two integer columns (i and j) even if t1 already exists: CREATE OR REPLACE TABLE t1 ( i INTEGER , j INTEGER ); IF NOT EXISTS The IF NOT EXISTS syntax will only proceed wit...h the creation of the table if it does not already exist. If the table already exists, no action will be taken and the existing table will remain in the database. Create a t... - https://man.mtool.work/duckdb/1.3/sql/statements/create_table.html
- R-Tree Indexes – DuckDB 9949
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...0 Rows │ └───────────────────────────┘ Performance Considerations Bulk Loading & Maintenance Creating R-trees on top of an already populated table is much faster than first creating the index and then inserting the data. This is because the R-tree will...r an insert, potentially causing additional splits to cascade up the tree. However, when the R-tree index is created on an already populated table, a special bottom up "bulk loading algorithm" (Sort-Tile-Recursive) is used, which divides all entries int...o an already balanced tree as the total number of required nodes can be computed from the beginning. Additionally, using the bulk loadi... - https://man.mtool.work/duckdb/1.3/core_extensions/spatial/r-tree_indexes.html
- Extensions – DuckDB 9577
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...al ; With these statements, DuckDB will ensure the spatial extension is installed (ignoring the INSTALL statement if it is already installed), then proceed to LOAD the spatial extension (again ignoring the statement if it is already loaded). Extension R... - https://man.mtool.work/duckdb/1.3/extensions/overview.html
- Crashes – DuckDB 9577
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...atest Stable and Preview Builds DuckDB is constantly improving, so there is a chance that the bug you have encountered has already been fixed in the codebase. First, try updating to the latest stable build . If this doesn't resolve the problem, try usin...lied to the codebase, you can try building it from source . Search for Existing Issues There is a chance that someone else already reported the bug that causes the crash. Please search in the GitHub issue tracker for the error message to see potentially... - https://man.mtool.work/duckdb/1.3/guides/troubleshooting/crashes.html
- COPY Statement – DuckDB 9577
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...... FROM imports data from an external file into an existing table. The data is appended to whatever data is in the table already. The amount of columns inside the file must match the amount of columns in the table table_name , and the contents of the...ken file in case the writing is cancelled. BOOL auto OVERWRITE_OR_IGNORE Whether or not to allow overwriting files if they already exist. Only has an effect when used with PARTITION_BY . BOOL false OVERWRITE When true , all existing files inside targete...as an effect when used with PARTITION_BY . BOOL false APPEND When true , in the event a filename pattern is generated that already exists, the path will be regenerated to ensure no existing files are overwritten. Only has an effect when used with PARTIT... - https://man.mtool.work/duckdb/1.3/sql/statements/copy.html
- CREATE MACRO Statement – DuckDB 8816
- 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
...o, replacing possible existing definitions: CREATE OR REPLACE MACRO add ( a , b ) AS a + b ; Create a macro if it does not already exist, else do nothing: CREATE MACRO IF NOT EXISTS add ( a , b ) AS a + b ; Create a macro for a CASE expression: CREATE M...col1_value AS column1 , col2_value AS column2 ; Create a table macro that returns multiple rows. It will be replaced if it already exists, and it is temporary (will be automatically deleted when the connection ends): CREATE OR REPLACE TEMP MACRO dynamic... - https://man.mtool.work/duckdb/1.3/sql/statements/create_macro.html
- CLI Client – DuckDB 8428
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...by .open is the --readonly flag. This disallows any editing of the database. To open in read only mode, the database must already exist. This also means that a new in-memory database can't be opened in read only mode since in-memory databases are creat...to_file.sql In this case, no output is returned to the terminal. Instead, the file series.md is created (or replaced if it already existed) with the markdown-formatted results shown here: | generate_series | |----------------:| | 0 | | 1 | | 2 | | 3 | |... - https://man.mtool.work/duckdb/1.3/clients/cli/overview.html
- Utility Functions – DuckDB 8056
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...he current transaction's identifier, a BIGINT value. It will assign a new one if the current transaction does not have one already. typeof(expression) Returns the name of the data type of the result of the expression. uuid() Return a random UUID (UUIDv4...he current transaction's identifier, a BIGINT value. It will assign a new one if the current transaction does not have one already. Example txid_current() Result various typeof(expression) Description Returns the name of the data type of the result of t... - https://man.mtool.work/duckdb/1.3/sql/functions/utility.html
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