Note: This example uses a Version 6 view descriptor with ... For this example you create a view descriptor, VLIB.ALLEMP, based on SYBASE data. The outer PROC SQL query retrieves data from the view ...

These are examples of SQL statements you ... For example, if the query says "upload_fk=456", you need to replace 456 with your upload value. Warning copyright results are on pfiles (the physical file ...

Note: The order in which processing occurs is not the same as the order of the statements in the example. The first SELECT statement (the PROC SQL query) displays and formats the data that is ...

In this repository, I put the notes and the exercises that I solved during the course called Master SQL For Data Science. There are two .sql files: one used for creating the tables and one for the ...

It’s surprisingly easy to stop query folding happening in Power Query by changing the data type of a column. This is mentioned in the docs here, and it’s something several people have blogged about ...

A few months ago a new option was added to the Sql.Database and Sql.Databases functions in Power Query in Power BI and Excel which allows Power Query queries that combine data from different SQL ...

SQL has dominated data querying for decades. Newer query languages offer more elegance, simplicity, and flexibility for modern use cases. For the last three decades, databases and Structured Query ...

Dealing with slow and inefficient SQL queries can be frustrating, but as a database administrator, you have a range of strategies at your disposal to diagnose and resolve performance issues.