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(duckdb_book) frank@ZZHUBT:~$ python Python 3.13.1 (main, Jan 15 2025, 18:12:47) [GCC 11.4.0] on linux Type "help", "copyright", "credits" or "license
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posted @ 2025-01-16 10:56
ZhangZhihuiAAA
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Requirements: duckdb emoji ibis-framework ibis-framework[duckdb] jupysql jupyter-lsp jupyterlab pandas plotly polars-lts-cpu pyarrow sqlparse pi_relat
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posted @ 2025-01-15 20:52
ZhangZhihuiAAA
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I installed VSCode extension Black Formatter, but it seemed not work. Later, I found that it only work when there's no syntax error and it can't forma
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posted @ 2025-01-15 20:09
ZhangZhihuiAAA
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import duckdb duckdb.sql("SELECT 'duck' AS animal, 'quack!' AS greeting") ┌─────────┬──────────┐ │ animal │ greeting │ │ varchar │ varchar │ ├────────
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posted @ 2025-01-15 17:41
ZhangZhihuiAAA
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Installing plotly stuck in a Python venv virtual environment in WSL2 Ubuntu. pip install -i https://pypi.org/simple package_namepip install -i https:/
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posted @ 2025-01-15 11:40
ZhangZhihuiAAA
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DuckDB’s nested data types: LIST, MAP, and STRUCT. D SELECT [7,8,9] AS list_int; ┌───────────┐ │ list_int │ │ int32[] │ ├───────────┤ │ [7, 8, 9] │ └─
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posted @ 2025-01-14 21:35
ZhangZhihuiAAA
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D SELECT * FROM duckdb_extensions(); ┌──────────────────┬─────────┬───────────┬──────────────┬───┬───────────────────┬───────────────────┬────────────
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posted @ 2025-01-14 17:53
ZhangZhihuiAAA
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Can VM communicate with the host in NAT mode? No, in NAT mode in VirtualBox, the virtual machine (VM) cannot directly communicate with the host unless
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posted @ 2025-01-14 00:14
ZhangZhihuiAAA
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frank@ZZHUBT:~$ sudo snap refresh snap-store error: cannot refresh "snap-store": snap "snap-store" has running apps (snap-store), pids: 2979 frank@ZZH
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posted @ 2025-01-13 21:43
ZhangZhihuiAAA
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The Star Schema and Snowflake Schema are two types of dimensional models used in data warehousing to organize data for analytical queries. Both schema
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posted @ 2025-01-13 10:06
ZhangZhihuiAAA
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