
Information Technology - Database Languages - Sql - Part 11: Information And Definition Schemas (Sql/Schemata)
出版:Nederlands Normalisatie Instituut

专家解读视频
Defines an Information Schema and a Definition Schema that describes:- - the structure and integrity constraints of SQL-data; - the security and authorization specifications relating to SQL-data; - the features, subfeatures, and packages of ISO/IEC 9075, and the support that each of these has in an SQL implementation; - the SQL-implementation information and sizing items of ISO/IEC 9075 and the values supported by an SQL-implementation.
Supersedes NEN ISO/IEC 9075-5. (05/2006)