Is an application programming interface that allows a java program to interact with a wide range of data sources (relational databases, tabular data sources, spreadsheets, and text files).

What a backup plan that you have created in a event you encounter a situation

What is domain name system (dns)? allows dynamic ip address allocation so users do not have to have a preconfigured ip address to use the network converts ip addresses into domains, or identifying labels that use a variety of recognizable naming conventions the efficient coexistence of telephone, video, and data communication within a single network, offering convenience and flexibility not possible with separate infrastructures the integration of communication channels into a single service

How to do this programming flowchart?