YouTube on MSN

I learned SQL in 15 minutes! Here's how

Learn SQL basics in just 15 minutes with this tutorial focused on using SQL with MySQL. Topics covered include: - What SQL is ...
marktechpost

An Implementation Guide to Building a DuckDB-Python Analytics Pipeline with SQL, DataFrames, Parquet, UDFs, and Performance Profiling

In this tutorial, we build a comprehensive, hands-on understanding of DuckDB-Python by working through its features directly in code on Colab. We start with the fundamentals of connection management ...
crossjoin.co.uk

Power BI, Parallelism And Dependencies Between SQL Queries In DirectQuery Mode

This is going to sound strange, but one of the things I like about tuning Power BI DirectQuery semantic models is that their generally-slower performance and the fact you can see the SQL queries that ...
GitHub

kansiris/SQL-interview-questions

1 What is an inner join in SQL? 1 What is an outer join in SQL? 1 What is full join in SQL? 1 What is left join in SQL Server? 1 What is a right join in SQL Server? 1 What is database engine in SQL ...
GitHub

report-builder-functions-countdistinct-function.md

[!INCLUDE[ssrs-appliesto](../../includes/ssrs-appliesto.md)] [!INCLUDE [ssrs-appliesto-ssrs-rb](../../includes/ssrs-appliesto-ssrs-rb.md)] [!INCLUDE [ssrs-appliesto ...
crossjoin.co.uk

ApproximateDistinctCount DAX Function Now Works On More DirectQuery Sources

Some good news for those of you using DirectQuery mode in Power BI: the ApproximateDistinctCount DAX function, which returns an estimate of the number of the distinct values in a column and which can ...