Originalsql.sql -

The "original" SQL was not actually called SQL. Developed at IBM in the 1970s, it was originally named (Structured English Query Language).

: Always use explicit join syntax (e.g., INNER JOIN ) rather than comma-separated tables. originalsql.sql

: Avoid SELECT * . Explicitly naming columns prevents breaking the code if the schema changes. The "original" SQL was not actually called SQL