Select A, B, C From X Where A = '1'
Insert Into X Set A = '1', B = 2, C = 'C'
Update X Set A = '2' Where A = '1'
Delete From X Where A = '1'
Create Table X (A String(50) Index, B Int, C String(5))
Drop Table X

Statement = SelectStmt | InsertStmt | UpdateStmt | DeleteStmt | CreateStmt | DropStmt ';' ;
SelectStmt = 'Select', FieldList, 'From', Identifier, AssignmentList ;
InsertStmt = 'Insert Into', Identifier, 'Set', AssignmentList ;
UpdateStmt = 'Update', Identifier, 'Set', AssignmentList, 'Where', AssignmentList ;
DeleteStmt = 'Delete From', Identifier, 'Where', AssignmentList ;
CreateStmt = 'Create Table', Identifier, '(', ColumnSpecList, ')' ;
DropStmt = 'Drop Table', Identifier ;

ColumnSpecList = ColumnSpec | ColumnSpecList, ',', ColumnSpec ;
ColumnSpec = Identifier, ColumnType | Identifier, ColumnType, ColumnOption ;
ColumnType = 'String(', number, ')' | 'Int' ;
ColumnOption = 'Index' ;

FieldList = Identifier | FieldList, ',', Identifier ;
AssignmentList = Assignment | AssignmentList, ',', Assignment ;
Assignment = Identifier, '=', Value ;

Identifier = { letter, '_' } , { letter | digit | '_' } ;
Value = "'" character ""'" | '"', character, '"' | number ;