Update sql-review.md

Author: adela-bytebase

.bytebase/sql-review.md

@@ -3,20 +3,15 @@
 
 ## 1. Table Naming Convention
 - All table names must be in snake_case
-- Table names should be plural nouns (e.g., users, orders, products)
 - Avoid abbreviations unless commonly understood
 
 ## 2. Column Standards
-- Every table must have a created_at timestamp column
-- Every table must have an updated_at timestamp column
 - Primary key columns should be named 'id'
 
 ## 3. Index Requirements
-- Foreign key columns must have indexes
 - Columns used in WHERE clauses frequently should be indexed
 
 ## 4. Comment Requirements
-- All tables must have descriptive comments
 - Complex columns should have comments explaining their purpose
 
 ## 5. Type Consistency