: Ensure that currency fields (e.g., cena , kaucja ) use precise types like DECIMAL or NUMERIC rather than floating-point types to avoid rounding errors.
: 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 wynajem.sql
: Ensure foreign keys (e.g., klient_id , obiekt_id ) and frequently filtered columns (like data_wynajmu ) are properly indexed to speed up search queries. : Ensure that currency fields (e
This review evaluates the script for schema integrity, query efficiency, and adherence to SQL development standards . : Ensure that currency fields (e.g.
: Replace SELECT * with explicit column names. This reduces unnecessary data transfer and prevents issues if the table schema changes .