: Use -- for single-line or /* */ for multi-line comments to explain the intent of the query, not just the mechanics. 📜 History of the "Original" SQL
: Defining structures (e.g., CREATE , DROP ). originalsql.sql
Writing a professional-grade .sql file goes beyond just making it run. According to DataLemur , "proper" SQL follows specific readability and architectural standards: : Use -- for single-line or /* */
The "original" SQL was not actually called SQL. Developed at IBM in the 1970s, it was originally named (Structured English Query Language). originalsql.sql
: Avoid SELECT * . Explicitly naming columns prevents breaking the code if the schema changes.
: Always use explicit join syntax (e.g., INNER JOIN ) rather than comma-separated tables.