International Tables for Crystallography (2006). Vol. G. ch. 2.6, pp. 61-70
https://doi.org/10.1107/97809553602060000732

Chapter 2.6. Specification of a relational dictionary definition language (DDL2)

Chapter index

category 2.6.3, 2.6.3, 2.6.5
attribute of data definition (DDL2) 2.6.5, 2.6.6.1.1
definition (DDL2) 2.6.6.2.1
equivalence to table (DDL2) 2.6.3
equivalent item in multiple categories 2.6.5, 2.6.6.1.1
examples as attribute of category definition (DDL2) 2.6.6.2.2
related 2.6.3, 2.6.5, 2.6.5, 2.6.6.2.4
uniqueness within data block 2.6.6.2.1
CATEGORY 2.6.5, 2.6.6.2.1, 2.6.6.2.2, 2.6.6.2.3
CATEGORY_EXAMPLES 2.6.5, 2.6.6.2.2
CATEGORY_GROUP 2.6.5, 2.6.6.2.3
CATEGORY_GROUP_LIST 2.6.5, 2.6.6.2.3, 2.6.6.2.4, 2.6.6.2.4
CATEGORY_KEY 2.6.5, 2.6.6.2.5, 2.6.6.2.5
CATEGORY_METHODS 2.6.6.2.6
category group 2.6.3, 2.6.6.2.4
attribute of category definition (DDL2) 2.6.6.2.3
membership as attribute of data definition (DDL2) 2.6.5
category key
attribute of category definition (DDL2) 2.6.5, 2.6.6.2.5, 2.6.6.2.5, 2.6.6.2.5
uniqueness 2.6.3
CITATION
_citation.id 2.6.5
DATABLOCK 2.6.6.4.1
data block 2.6.3, 2.6.6.4.1
DATABLOCK_METHODS 2.6.6.4.2
data definition
attribute of data definition (DDL2) 2.6.5, 2.6.6.1.5
data item
lowest level of organization (DDL2) 2.6.3
mandatory membership of category (DDL2) 2.6.6.1.1
matrix or vector structure (DDL2) 2.6.6.1.12, 2.6.6.1.13
relationships 2.6.1, 2.6.5, 2.6.5, 2.6.5, 2.6.6.1.1, 2.6.6.1.4, 2.6.6.1.8, 2.6.6.1.11
data model
hierarchical 2.6.1
object-oriented 2.6.1
relational 2.6.1
data name
alias 2.6.1, 2.6.5, 2.6.6.1.2
attribute of data definition (DDL2) 2.6.4, 2.6.5, 2.6.6.1.1
decomposition into category and item components (DDL2) 2.6.6.1.1
data type
attribute of data definition (DDL2) 2.6.5, 2.6.6.1.15
construction (DDL2) 2.6.6.1.16
extended types 2.6.6.1.15, 2.6.6.1.17
extended types (DDL2) 2.6.5
primitive 2.6.6.1.17
data value
default 2.6.6.1.3
enumeration as attribute of data definition (DDL2) 2.6.6.1.6
range as attribute of data definition (DDL2) 2.6.6.1.10
DDL1 (Dictionary Definition Language)
_dictionary.version 2.6.6.4.3
DDL2 (Dictionary Definition Language)
_category_examples.case 2.6.5, 2.6.6.2.2, 2.6.6.2.2
_category_examples.detail 2.6.5, 2.6.6.2.2
_category_examples.id 2.6.6.2.2
_category_group_list.description 2.6.6.2.4
_category_group_list.parent_id 2.6.6.2.4
_category_group.category_id 2.6.6.2.3
_category_key.id 2.6.6.2.5
_category_key.name 2.6.6.2.5
_category.description 2.6.6.2.1
_category.id 2.6.6.2.1, 2.6.6.2.1
_category.implicit_key 2.6.6.2.1, 2.6.6.4.1
_category.mandatory_code 2.6.5, 2.6.6.2.1
_datablock.description 2.6.6.4.1
_datablock.id 2.6.6.4.1, 2.6.6.4.1
_dictionary.datablock_id 2.6.6.4.1, 2.6.6.4.3
_dictionary.title 2.6.6.4.3
_item_aliases.dictionary 2.6.6.1.2, 2.6.6.1.2
_item_aliases.name 2.6.6.1.2
_item_aliases.version 2.6.6.1.2, 2.6.6.1.2
_item_default.name 2.6.6.1.3
_item_default.value 2.6.6.1.3
_item_dependent.dependent_name 2.6.6.1.4
_item_description.description 2.6.6.1.5
_item_description.name 2.6.4, 2.6.6.1.5
_item_enumeration.detail 2.6.6.1.6
_item_enumeration.name 2.6.6.1.6
_item_enumeration.value 2.6.6.1.6, 2.6.6.1.6
_item_examples.case 2.6.6.1.7
_item_examples.detail 2.6.6.1.7
_item_linked.child_name 2.6.6.1.1
_item_linked.parent_name 2.6.6.1.1, 2.6.6.1.8
_item_range.maximum 2.6.6.1.10
_item_range.minimum 2.6.6.1.10
_item_related.function_code 2.6.5, 2.6.6.1.11, 2.6.5.1
_item_related.related_name 2.6.6.1.11, 2.6.5.1, 2.6.5.1
_item_structure_list.code 2.6.6.1.12, 2.6.6.1.13
_item_structure_list.dimension 2.6.6.1.13
_item_structure_list.index 2.6.6.1.13
_item_structure.code 2.6.6.1.12, 2.6.6.1.12, 2.6.6.1.13
_item_structure.organization 2.6.6.1.12
_item_type_list.code 2.6.6.1.13, 2.6.6.1.15, 2.6.6.1.17
_item_type_list.construct 2.6.6.1.17
_item_type_list.primitive_code 2.6.6.1.17
_item_type.code 2.6.6.1.15, 2.6.6.1.15, 2.6.6.2.5
_item_type.name 2.6.6.1.15, 2.6.6.2.5
_item_units_conversion.factor 2.6.6.1.19
_item_units_conversion.from_code 2.6.6.1.19
_item_units_conversion.operator 2.6.6.1.19
_item_units_conversion.to_code 2.6.6.1.19
_item_units_list.code 2.6.6.1.18, 2.6.6.1.19, 2.6.6.1.20
_item_units.code 2.6.5, 2.6.6.1.18, 2.6.6.1.18
_item_units.name 2.6.6.1.18
_item.category_id 2.6.6.1.1
_item.mandatory_code 2.6.6.1.1
_item.name 2.6.5, 2.6.6.1.1, 2.6.6.1.1, 2.6.6.1.1, 2.6.6.1.3, 2.6.6.1.8, 2.6.6.1.11
_method_list.code 2.6.6.3.1
_method_list.detail 2.6.6.3.1
_method_list.id 2.6.6.3.1
_method_list.inline 2.6.6.3.1
_method_list.language 2.6.6.3.1
_sub_category_examples.case 2.6.6.2.8, 2.6.6.2.8
_sub_category_examples.detail 2.6.6.2.8
_sub_category_examples.id 2.6.6.2.8
_sub_category_methods.method_id 2.6.6.2.9
_sub_category_methods.sub_category_id 2.6.6.2.9
DDL2
application of STAR File 2.6.1
backward compatibility with DDL1 2.6.1, 2.6.5
description of categories 2.6.6.2
description of data blocks 2.6.6.4
description of data items 2.6.6.1, 2.6.6.1.20
description of dictionaries 2.6.6.4
description of methods 2.6.6.3
dictionaries 2.6.2
history 2.6.1
organization 2.6.3, 2.6.4
presentation of definitions 2.6.2
self-defining 2.6.4
specification 2.6.1
syntax 2.6.1
dictionary 2.6.3
identification 2.6.6.4.3
organization 2.6.3, 2.6.3
revision history 2.6.6.4.4
DICTIONARY 2.6.6.4.3
DICTIONARY_HISTORY 2.6.6.4.3, 2.6.6.4.4
ENTRY
_entry.id 2.6.5
example
attribute of data definition (DDL2) 2.6.5, 2.6.6.1.7
hierarchical data model (DDL2) 2.6.1, 2.6.3
interoperability 2.6.1
irreducible set of data items 2.6.5
ITEM 2.6.4, 2.6.5, 2.6.5, 2.6.6.1.1, 2.6.6.1.5, 2.6.6.1.6, 2.6.6.1.15, 2.6.6.1.18
ITEM_ALIASES 2.6.5, 2.6.6.1.2
ITEM_DEFAULT 2.6.6.1.3
ITEM_DEPENDENT 2.6.5, 2.6.6.1.4
ITEM_DESCRIPTION 2.6.4, 2.6.4, 2.6.4, 2.6.5, 2.6.6.1.5
ITEM_ENUMERATION 2.6.6.1.6
ITEM_EXAMPLES 2.6.5, 2.6.6.1.7
ITEM_LINKED 2.6.5, 2.6.5, 2.6.6.1.1, 2.6.6.1.8
ITEM_METHODS 2.6.6.1.9
ITEM_RANGE 2.6.5, 2.6.6.1.10
ITEM_RELATED 2.6.5, 2.6.6.1.11
ITEM_STRUCTURE 2.6.6.1.12
ITEM_STRUCTURE_LIST 2.6.6.1.12, 2.6.6.1.12, 2.6.6.1.13
ITEM_SUB_CATEGORY 2.6.5, 2.6.6.1.14
ITEM_TYPE 2.6.5, 2.6.6.1.15, 2.6.6.1.17, 2.6.6.2.5
ITEM_TYPE_CONDITIONS 2.6.6.1.16, 2.6.6.1.17
ITEM_TYPE_LIST 2.6.5, 2.6.5, 2.6.6.1.15, 2.6.6.1.15, 2.6.6.1.17
ITEM_UNITS 2.6.5, 2.6.6.1.18, 2.6.6.1.20
ITEM_UNITS_CONVERSION 2.6.5, 2.6.6.1.19
ITEM_UNITS_LIST 2.6.5, 2.6.6.1.18, 2.6.6.1.18, 2.6.6.1.19, 2.6.6.1.20
IUCr 2.6.1
metadata 2.6.3
METHOD_LIST 2.6.6.1.9, 2.6.6.2.6, 2.6.6.2.9, 2.6.6.2.9, 2.6.6.3.1, 2.6.6.4.2
methods 2.6.3, 2.6.6.2.9, 2.6.6.3
attribute of category definition (DDL2) 2.6.6.2.6
attribute of data definition (DDL2) 2.6.6.1.9
mmCIF
rationale for use of DDL2 2.6.1
save frame
data definition block (DDL2) 2.6.2
standard uncertainty
attribute of data definition (DDL2) 2.6.5
SUB_CATEGORY 2.6.6.2.7
SUB_CATEGORY_EXAMPLES 2.6.6.2.8
SUB_CATEGORY_METHODS 2.6.6.2.9
subcategory 2.6.3, 2.6.5, 2.6.6.1.14, 2.6.6.2.7, 2.6.6.2.8
unit
attribute of data definition (DDL2) 2.6.5, 2.6.6.1.18
units
conversion table (DDL2) 2.6.5, 2.6.6.1.19, 2.6.6.1.20
validation 2.6.1, 2.6.4