ISO 4217 codes (STANAG 1059, 9th edition) use "X" codes for imaginary exercise countries ranging from XXB for "Brownland" to XXR for "Redland", as well as for major commands such as XXE for SHAPE or XXS for SACLANT. Consequently, ISO 4217 can use "X" codes for non-country-specific currencies without risk of clashing with future country codes. The inclusion of EU (denoting the European Union) in the ISO 3166-1 reserved codes list, allows the euro to be coded as EUR rather than assigned a code beginning with X, even though it is a supranational currency. The ISO 4217 standard includes a crude mechanism
ISO/IEC JTC 1/SC 32 currently has 74 published standards within the field of data management and interchange, including: The committee is notably responsible for the SQL standard, which has seen eight revisions since its initial publication in 1986. As of 2017, the most recent update is . ISO/IEC JTC 1/SC 32 ISO/IEC JTC 1/SC 32 Data management and interchange is a standardization subcommittee of the Joint Technical Committee ISO/IEC JTC 1 of the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC), which develops and facilitates standards within the field of data management and interchange. The international secretariat of ISO/IEC JTC 1/SC