Powerful inteface for database with inteface DbSimple
check list:
1. Fetch all resulting rows
2. Fetch one page
3. Macro-substitutions in SQL queries
4. Fetching of associative array
5. List-based placeholder
6. Associative placeholder
7. Identifier-based placeholder
8. Identifier-list-based placeholder
9. {Prefix-based placeholder}
10. One row fetching
11. One cell fetching
12. One column fetching
13. Multi-dimensional associative array fetching
14. Linked tree fetching
15. prepare ... execute optimization
transatctions disconnect cache