: 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
: Changing data (e.g., INSERT , UPDATE ). originalsql.sql
: Avoid SELECT * . Explicitly naming columns prevents breaking the code if the schema changes. : Use -- for single-line or /* */
The request for "originalsql.sql — proper essay" typically refers to one of two things: a guide on writing clean, professional-grade SQL scripts ("proper" SQL) or a request for a "proper" text-based explanation (essay) of what an original SQL file represents. originalsql.sql