The following sub-sections provide details about the attributes included with this data type.
Please note, a Header Record is not provided in GeoPackage and the attributes that follow refer to only CSV.
Identifies the record as a Metadata Record (type 29).
Attribute Name: RECORD_IDENTIFIER (CSV)
Type: Integer
Size: 2
Nullable: false
Data Schema Version: 1.0
The name of the Gazetteer; this will most likely reflect the product name, for example, OS Emergency Services Gazetteer.
Attribute Name: GAZ_NAME (CSV)
Type: char
Size: 60
Nullable: false
Data Schema Version: 1.0
The geographic domain of the gazetteer, for example, England, Wales and Scotland.
Attribute Name: TER_OF_USE (CSV)
Type: char
Size: 60
Nullable: false
Data Schema Version: 1.0
A list of other datasets used to contribute to the creation of the product.
Attribute Name: LINKED_DATA (CSV)
Type: char
Size: 100
Nullable: false
Data Schema Version: 1.0
The organisation with overall responsibility for the gazetteer.
Attribute Name: GAZ_OWNER (CSV)
Type: char
Size: 15
Nullable: false
Data Schema Version: 1.0
The frequency with which the data is maintained and sent to the customer.
Attribute Name: NGAZ_FREQ (CSV)
Type: char
Size: 1
Nullable: false
Data Schema Version: 1.0
The organisation or department responsible for the compilation and maintenance of the data.
Attribute Name: CUSTODIAN_NAME (CSV)
Type: char
Size: 40
Nullable: false
Data Schema Version: 1.0
The Unique Property Reference Number (UPRN) of the custodian location.
Attribute Name: CUSTODIAN_UPRN (CSV)
Type: Integer
Size: 12
Nullable: false
Data Schema Version: 1.0
A four-digit code identifying the gazetteer custodian.
Attribute Name: LOCAL_CUSTODIAN_CODE (CSV)
Type: Integer
Size: 4
Nullable: false
Data Schema Version: 1.0
The coordinate reference system used in the gazetteer to describe the position, for example, British National Grid.
Attribute Name: CO_ORD_SYSTEM (CSV)
Type: char
Size: 40
Nullable: false
Data Schema Version: 1.0
The unit of measurement of coordinates.
Attribute Name: CO_ORD_UNIT (CSV)
Type: char
Size: 10
Nullable: false
Data Schema Version: 1.0
The date on which metadata was last updated.
Attribute Name: META_DATE (CSV)
Type: Date
Nullable: false
Data Schema Version: 1.0
The classification scheme(s) used in the gazetteer.
Attribute Name: CLASS_SCHEME (CSV)
Type: char
Size: 60
Nullable: false
Data Schema Version: 1.0
The date at which the gazetteer can be considered to be current.
Attribute Name: GAZ_DATE (CSV)
Type: Date
Nullable: false
Data Schema Version: 1.0
The language used for the descriptors within the gazetteer, for example, ‘ENG’.
Attribute Name: LANGUAGE (CSV)
Type: LanguageCode
Size: 3
Nullable: false
Data Schema Version: 1.0
The character set used in this gazetteer.
Attribute Name: CHARACTER_SET (CSV)
Type: char
Size: 30
Nullable: false
Data Schema Version: 1.0
The following sub-sections provide details about the attributes included with this data type.
Please note, a Header Record is not provided in GeoPackage and the attributes that follow refer to only CSV.
Identifies the record as a Trailer Record (type 99).
Attribute Name: RECORD_IDENTIFIER (CSV)
Type: Integer
Size: 2
Nullable: false
Data Schema Version: 1.0
The sequential number of the next volume in the transfer set.
For geographic supply, this will always be zero (0). For non-geographic supply, zero (0) denotes the last file in the transfer set.
Attribute Name: NEXT_VOLUME_NAME (CSV)
Type: Integer
Size: 3
Nullable: false
Data Schema Version: 1.0
A count of the number of records in the volume (excluding the header record, metadata and trailer records).
Attribute Name: RECORD_COUNT (CSV)
Type: Integer
Size: 16
Nullable: false
Data Schema Version: 1.0
The date of data entry.
Attribute Name: ENTRY_DATE (CSV)
Type: Date
Nullable: false
Data Schema Version: 1.0
The time of creation in HH:MM:SS format in a 24-hour clock.
Attribute Name: TIME_STAMP (CSV)
Type: Time
Nullable: false
Data Schema Version: 1.0
The following sub-sections provide details about the attributes included with this data type.
Please note, a Header Record is not provided in GPKG and the attributes that follow refer to only CSV.
Identifies the record as a Header Record (type 10).
Attribute Name: RECORD_IDENTIFIER (CSV)
Type: Integer
Size: 2
Nullable: false
Data Schema Version: 1.0
The name of the data provider organisation.
Attribute Name: CUSTODIAN_NAME (CSV)
Type: char
Size: 40
Nullable: false
Data Schema Version: 1.0
The unique identifier for the data provider code.
Attribute Name: LOCAL_CUSTODIAN_CODE (CSV)
Type: Integer
Size: 4
Nullable: false
Data Schema Version: 1.0
The date on which the data supply was generated.
Attribute Name: PROCESS_DATE (CSV)
Type: Date
Nullable: false
Data Schema Version: 1.0
The sequential number of the volume in the transfer set.
For geographic supplies, this number will always be zero (0).
Attribute Name: VOLUME_NUMBER (CSV)
Type: Integer
Size: 3
Nullable: false
Data Schema Version: 1.0
The date of data entry for this volume.
Attribute Name: ENTRY_DATE (CSV)
Type: Date
Nullable: false
Data Schema Version: 1.0
The time of file creation in HH:MM:SS format in a 24-hour clock.
Attribute Name: TIME_STAMP (CSV)
Type: Time
Nullable: false
Data Schema Version: 1.0
The version number of the product schema, for example, 1.0, 2.0.
The version number relates to the product schema and not to this Technical specification document.
Attribute Name: VERSION (CSV)
Type: char
Size: 7
Nullable: false
Data Schema Version: 1.0
Indicates whether the data supply is a Full Supply or a Change-Only Updates Supply.
Attribute Name: FILE_TYPE (CSV)
Type: FileTypeCode
Size: 1
Nullable: false
Data Schema Version: 1.0
The sub-pages in this section define dataset metadata for the CSV format of OS Emergency Services Gazetteer (ESG) data:
The attributes associated with each data type are listed on the following pages. The following information can be found about each attribute:
The name of the attribute and what it is describing.
The nature of the attribute (for example, a numeric value or a code list value).
The maximum length of the values in the attribute.
A True or False value to denote whether the attribute always has to be populated with a value (False) or can be NULL (True).
The OS NGD schema version the data above applies to. Please note that concurrent schema versions may be available at one time. For more information on how data schema versioning works in the OS NGD, please refer to the .