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- W810608429 abstract "SQL plays a very important role in the data base area,so its standardization attracts the at-tention of data base cooperation and the related standard organizations. Seven years later form the emer-gence of SQL-92,the SQL's new version SQL:1999 at last conies up at 1999. This paper describes themain contents of SQL: 1999 ,especially the changes to SQL-92 ,including the new added data types ,com-paring predicates ,semantics ,security ,trigger mechanism and other object relational characteristics,suchas user defined structured type ,stored procedure, function,method, typed relation and reference type.Some under developing parts and the future works are also described." @default.
- W810608429 created "2016-06-24" @default.
- W810608429 creator A5007407996 @default.
- W810608429 date "2000-01-01" @default.
- W810608429 modified "2023-09-23" @default.
- W810608429 title "从SQL-92到SQL：1999" @default.
- W810608429 hasPublicationYear "2000" @default.
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