A data manipulation language (DML) is a family of computer languages including commands permitting users to manipulate data in a database. This manipulation involves inserting data into database tables, retrieving existing data, deleting data from existing tables and modifying existing data. DML is mostly incorporated in SQL databases.
Shared resources, also known as network resources, refer to computer data, information, or hardware devices that can be easily accessed from a remote computer through a local area network (LAN) or enterprise intranet. Successful shared resource access allows users to operate as if the shared resource were on their own computer. The most frequently used shared network environment objects are files, data, multimedia and hardware resources like printers, fax machines and scanners.
Shared LAN points are used by a variety of system resources, such as hard drives, printers, scanners and network cards. File and printer sharing occur via two network communication mechanisms: peer-to-peer (P2P) sharing and the client-server network model. Sharing network resources requires abiding by certain constraints, as follows:
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