Merge statement is generally used in relational database management systems to insert new records into a table or update existing records depending on a condition.

A technology that allows a computer user to connect to a wireless mesh network that uses Wi-Fi or WiMax. 

A local area network (LAN) that employs one of two connection arrangements, full mesh topology or partial mesh topology. In the full mesh topology, each node (workstation or other device) is connected directly to each of the others.

A cryptographic checksum on data that uses a session key to detect both accidental and intentional modifications of the data. 

An approach used within the client/server computing model in which a client sends a service request in the form of a specially-formatted message to a program that acts as a request broker.

A Microsoft Windows program interface that enables you to send e-mail from within a Windows application and attach the document you are working on to the e-mail note.

A messaging server is a middleware program that handles messages that are sent for use by other programs using a messaging application program interface (API). 

A snippet of HTML code in a web page header that summarizes the content that is on the web page. The meta description is usually placed after the title tag and before the meta keywords tag. 

A tag (that is, a coding statement) in the Hypertext Markup Language (HTML) that describes some aspect of the contents of a Web page. The information that you provide in a meta tag is used by search engines to index a page.

A database for storing metadata (data that describes data) for a specific purpose. For example, a metabase might include metadata about all configuration information in a system gathered from a number of sources. 

Meta is a prefix that in most information technology usages means "an underlying definition or description." Thus, metadata is a definition or description of data and metalanguage is a definition or description of language.

A file containing information that describes or specifies another file. Microsoft uses this term for its Windows Metafile (WMF) format. 

An open source project that provides a public resource for researching security vulnerabilities and developing code that allows a network administrator to break into his own network to identify security risks and vulnerabilities.

Metastorm BPM 9.x Developer Certification by Open Text

Meteor, or MeteorJS is an open-source real-time JavaScript web application framework written on top of Node.js, Meteor allows for very rapid prototyping and produces cross-platform (web, Android, iOS) code. Meteor depends on jQuery and can be used with any JavaScript UI widget library. There are libraries like Tracker and Blaze that the Meteor Development Group has built specifically for a reactive front-end experience.

The use of Carrier Ethernet technology in metropolitan area networks (MANs). Metro Ethernet offers cost-effectiveness, reliability, scalability and bandwidth management superior to most proprietary networks.