Browsable Relational Database Schema Grammar

Grammar extracted by Vadim Zaytsev, see the Grammar Zoo entry for details: toy/tabular/schema/extracted
Source used for this grammar: Hugo Brunelière, RelationalDBSchema 1.0, RelationalDBSchema.ecore, 2006/10/31

Summary

• Total 9 production rules with 10 top alternatives and 52 symbols.
• Vocabulary: 19 = 7 nonterminals + 2 terminals + 10 labels + 0 markers.
• Total 7 nonterminal symbols: 7 defined (NamedElement, DataBase, Table, Column, Integer, String, Boolean), 0 root (—), 2 top (NamedElement, Integer), 0 bottom (—).
• Total 2 terminal symbols: 2 keywords ("true", "false"), 0 letters (—), 0 numerics (—), 0 signs (—).
• Total 10 labels: [SGBDname], [tables], [database], [columns], [key], [dataType], [null], [defaultValue], [owner], [keyOf].

Syntax

NamedElement ::=
	DataBase

NamedElement ::=
	Table

NamedElement ::=
	Column

DataBase ::=
	[SGBDname]::String [tables]::Table+

Table ::=
	[database]::DataBase [columns]::Column+ [key]::Column+

Column ::=
	[dataType]::String [null]::Boolean [defaultValue]::String [owner]::Table [keyOf]::Table

Integer ::=
	integer

String ::=
	string

Boolean ::=
	"true"
	"false"

Maintained by Dr. Vadim Zaytsev a.k.a. @grammarware. Last updated in September 2015. [↑]