SQL
SQL
Structured Query Language.
A language devised by IBM, then standardised by ANSI and ISO, which is used for creating, managing and retrieving data in relational databases
Commission Implementing Regulation (EU) 2019/775 of 16 May 2019
Commission Regulation (EU) No 454/2011 of 5 May 2011 on the technical specification for interoperability relating to the subsystem ‘telematics applications for passenger services’ of the trans-European rail system