what is schema?

Answer 1

A schema is some sort of document or plan. In the CS world, a schema refers to the structrue of a database. It is a document that define the attributes, tables, keys, and other aspects of a database.
Also, in the CS world, schema can refer to a description of the structure and data in XML files.
Schema is metadata. That is , it is data that describes other data.

Answer 2

schema is basically " overall design of a data base".in data base there are three types of schema 1. internal schema (lowest level) it is the place where the data is physically stored e.g yahoo servers.
2. conceptual schema (middel level) it is basically defines the structure and how data is stored or retrived by simple figures of you can say flow charts.
3. external or sub schema (highest level) it is where the user having no knowledge of programming sits and fills the data like the form we fill to resister in yahoo services.

Answer 3

In terms of Databases:

Schema is a description of the data represented within a database. The format of the description varies but includes a table layout for a relational database or an entity- relationship diagram.

In terms of XML:

Schema is a description of the structure and rules a document must satisfy for an XML document type. Includes the formal declaration of the elements that make up a document.

Answer 4

Definition
An image schema is a mental pattern that

recurrently provides structured understanding of various experiences, and
is available for use in metaphor as a source domain to provide an understanding of yet other experiences.

more more info go to
http://www.sil.org/linguistics/GlossaryOfLinguisticTerms/WhatIsAnImageSchema.htm

Answer 5

could you be more specific? Are u trying to ask about database schema, or xml schema or telecom resource management (TRM) company "schema".

-:)