from main.grade_nm_info group by teacher_name,class_name """query_dat = con.sql(quere_sql_cmd) grade_df = query_dat.df()print("grade_df",grade_df)# ## 保存数据# result.to_csv(out_file_path, index=False)# print(result.head(3))con.close() 基本技术概念 源码:数据库事务- 事务的...
R Shiny and DuckDB: How to Speed Up Your Shiny Apps When Working With Large Datasets Connecting Python to SQL Server using trusted and login credentials ShareTweet To leave a comment for the author, please follow the link and comment on their blog: Python – Michael's and Christian's Blog...
pip install duckdb==0.6.1 四是 SQL 支持好，每家数据库都有自己的 SQL 方言，也就 PostgreSQL 的...
我会尝试从SQL Server导出到Parquet文件，然后直接查询这些文件或在DuckDB中导入。
确实性能强大，我感觉单机TPC-H应该是跑的最快的了。原理上，查询执行引擎做的非常极致。Push模型，列...
running python3 -m pip install duckdb pyspark[sql]==3.5.0 should do the trick. Running unit tests make test Running the local S3 test server Running the S3 test cases requires the minio test server to be running and populated with scripts/upload_iceberg_to_s3_test_server.sh. Note that...
我会尝试从SQL Server导出到Parquet文件，然后直接查询这些文件或在DuckDB中导入。
school_dat = con.sql("SELECT * FROM {}".format(school_table_nm)) school_dat.limit(3).show()## trans to dataframearea_df = area_dat.df() school_df = school_dat.df()## 对 Series 使用 applyarea_df['bag_nm'] = area_df["grade_path"].apply(lambdax: x.split("/")[-1])# ...
You will need to: 1. Set up a Python virtual environment:python -m venv duckdb_env source duckdb_env/bin/activate 2. Install the required libraries: pip install jupyter duckdb plotly jupysql pandas 3. Start Jupyter Notebook: jupyter notebook Loading and Cleaning DataFirst, we will load ...
DuckDB HTTP Server Docker duckdb duckdb-server Updated Dec 10, 2024 Dockerfile Improve this page Add a description, image, and links to the duckdb-server topic page so that developers can more easily learn about it. Curate this topic Add this topic to your repo To associate your ...