Essentially , there are four types of databases : curated databases , integrative databases , literature databases and predictive databases . There are essentially four types of databases : curated databases , integrative databases , literary databases and predictive databases .
Pada asasnya, terdapat empat jenis pangkalan data: pangkalan data curated, pangkalan data integratif, pangkalan data kesusasteraan dan pangkalan data ramalan. Pada dasarnya terdapat empat jenis pangkalan data: pangkalan data curated, pangkalan data integratif, pangkalan data sastera dan pangkalan data ramalan.