Wynajem.sql May 2026
: Ensure that currency fields (e.g., cena , kaucja ) use precise types like DECIMAL or NUMERIC rather than floating-point types to avoid rounding errors.
: Keywords should be in UPPERCASE (e.g., SELECT , FROM , WHERE ) to distinguish them from table and column names, which should follow a consistent snake_case or PascalCase naming convention. wynajem.sql
: Use descriptive aliases for tables (e.g., FROM Wynajmy AS w ) instead of single letters to improve clarity in multi-table joins. 3. Performance & Optimization : Ensure that currency fields (e
: Replace SELECT * with explicit column names. This reduces unnecessary data transfer and prevents issues if the table schema changes . : Ensure that currency fields (e.g.