E-resource is a broad term that emphasis of various way of information and publishing models, including OPACs, CD-ROMs, online databases, Ejournals, E-books, internet resources, print-on-demand (POD), E-mail publishing, wireless publishing, electronic link, and web-Portal publishing, etc. Therefore, today all learners have a mislenious way of knowledge and information regarding their study. The E-resource is expedient to use, obtainable at a reasonable cost, and can be accessed from anywhere and by many users can concurrently, these databases are most advantageous utilize to put into the academic excellence and achievement of its user community. Due to the availability of e-resource users can quickly download the specified book and therefore the readers can bookmark a page, create remarks, emphasize passages, and save chosen text also the readers can comprise lexicon, and modifiable typescript sizes and styles. Hence, some issues and challenges also appeared in the way of the use of e-resource that is a deficiency of infrastructural facilities and lack of knowledge of use. In many libraries e-resources are not visible or accessible to the users as to where resources are physically available for browsing and use.

Keywords : Online DBMS, Science, Technology, Education