42 Platform as a service (PAAS) featuring computer software platforms for use in database access, database management, and database purification; Providing temporary use of on-line non-downloadable software development tools for use in database access, database management, and database purification; Providing on-line non-downloadable software for use in database access, database management, and database purification; Providing on-line non-downloadable software using artificial intelligence for use in database access, database management, and database purification