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This book includes an overview of the scope of the design of the TSQL2 Temporal Query Language, a listing of the design goals for the language, a brief introduction to the major concepts of the language, a detailed examination of each of the language's major design decisions, discussing alternatives and surveying previous approaches, and a detailing of the changes that would be necessary to augment a conventional, non-temporal data base management system (DBMS) to support the facilities of TSQL2.
The book also contains the language specification itself, as an upward compatible extension of SQL-92.
The TSQL2 Temporal Query Language is an edited collection of papers intended for use as a reference by academics and industry professionals interested in temporal databases research. This book is also suitable as a secondary textbook for a graduate level course on temporal databases.
List of Figures. List of Tables. Preface. Part I: Overview. 1. Rationale for a Temporal Extension to SQL. 2. Introduction to TSQL2. 3. TSQL2 Tutorial. 4. A Second Example. Part II: Language Design. 5. The Baseline Clock. 6. The Data Model for Time. 7. Supporting Multiple Calendars. 8. Temporal Data Types. 9. The Surrogate Data Type. 10. The TSQL2 Data Model. 11. Schema Specification. 12. The From Clause. 13. Valid-Time Selection and Projection. 14. Modification. 15. Cursors. 16. Event Tables. 17. Transaction Time Support. 18. Temporal Indeterminacy. 19. Temporal Granularity. 20. 'Now'. 21. Aggregates. 22. Schema Versioning. 23. Vacuuming. Part III: Implementation Issues. 24. An Architectural Framework. 25. A Timestamp Representation. 26. SQL-92 Compatibility Issues. 27. An Algebra for TSQL2. Part IV: Language Specification. 28. Language Syntax. 29. Section 5 Lexical Elements. 30. Section 6 Scalar Expressions. 31. Section 7 Query Expressions. 32. Section 8 Predicates. 33. Section 10 Additional Common Elements. 34. Section 11 Schema Definition and Manipulation. 35. Section 12 Module. 36. Section 13 Data Manipulation. 37. Section 21 Information Schema and Definition Schema. 38. Section 22 Status Codes. References. Author Index. Syntax Index. Subject Index.
Overview
This book includes an overview of the scope of the design of the TSQL2 Temporal Query Language, a listing of the design goals for the language, a brief introduction to the major concepts of the language, a detailed examination of each of the language's major design decisions, discussing alternatives and surveying previous approaches, and a detailing of the changes that would be necessary to augment a conventional, non-temporal data base management system (DBMS) to support the ...