Differences between version 2 and previous revision of Schema.
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Newer page: | version 2 | Last edited on Wednesday, August 20, 2003 5:20:46 pm | by PerryLorier | Revert |
Older page: | version 1 | Last edited on Wednesday, August 20, 2003 2:21:48 pm | by StuartYeates | Revert |
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A [Schema] is a plan or scheme.
In relation to [XML] a [Schema] is a description of the content and format of a class of [XML] files. Unlike a [DTD], a [Schema] is written in [XML], so the data and the [Schema] for the data can be manipulated using the same [ToolSet]. A [Schema] can also be significantly more flexible than a [DTD].
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+In relation to [SQL] a [Schema] is a set of description of tables, described as a set of columns (with names and types) and constraints.