Every secure API draws a line between code and data. HTTP separates headers from bodies. SQL has prepared statements. Even email distinguishes the envelope from the message. The Model Context Protocol ...

SQL is still the connective tissue of every modern data stack—from cloud warehouses to mobile apps. Recruiters know it, too: employer demand for SQL skills grew 46% year-over-year, according to labour ...

This repo contains Python code to generate the global dataset of factor returns, stock returns, and firm characteristics from “Is there a Replication Crisis in Finance?” by Jensen, Kelly, and Pedersen ...

Students and professionals looking to upskill are in luck this month of April, as Harvard University is offering 144 free courses. The courses span a wide range of topics, from data science, ...

Your output will differ based on the book you chose. You should see 13 rows total, with your new book appearing at the end with book_id = 13 and available = true.