#############################################################################
##                                                                         ##
## These files are self-contained collections of example ATSQL2 statements ##
## that illustrate various features of the language. Most include brief    ##
## comments.                                                               ##
## R. Snodgrass' demo shows various features of TimeDB and might be        ##
## interesting to look at first.                                           ##
##                                                                         ##
## Andreas Steiner, ETH Zuerich, September 30, 1996                        ##
##                                                                         ##
#############################################################################

demo01 : UNION, INTERSECT, EXCEPT 
demo02 : Views
demo03 : CREATE TABLE, INSERT, DELETE, UPDATE
demo04 : Capitals 
demo05 : Demo by R. Snodgrass
demo06 : Temporal Upwards Compatibility
demo07 : ALTER TABLE statements
demo08 : Bitemporal queries
demo09 : Temporal query types
demo10 : Examples of different bitemporal restructurings
demo11 : Special case of a DELETE-statement
demo12 : Referential integrity
demo13 : Test-examples Flags, Referential Integrity, Union etc.  
demo14 : Referential integrity, column constraints, assertions
demo16 : Schema Versioning
demo17 : VALID PERIOD '..' <modification statement'
demo18 : TUC evaluation with tuples valid in future
demo19 : OR in Subqueries
demo20 : Examples M. Boehlen
demo25 : Primary Key
demo27 : Quick Tour in 'SQL3: Change Proposal for SQL/Temporal - Adding 
                        Valid Time' (R. Snodgrass) 
demo28 : Quick Tour in 'SQL3: Change Proposal for SQL/Temporal - Adding 
                        Transaction Time' (R. Snodgrass) 
demo30 : Bitemporal Negation
demo31 : Additional Updates
demo32 : Examples with EXCEPT
demo33 : Demo for International Workshop on Temporal Databases '95
demo34 : Safely connected train stations (bitemporal)
demo35 : Safely connected train stations (non-temporal)
demo40 : UPDATE-examples, T. Myrach
demo41 : UPDATE-examples, T. Myrach
demo42 : Referential integrity, T. Myrach
demo43 : Referential integrity, T. Myrach
