Logics for Databases and Information Systems formatIsbn:Softcover - 9781461375821 trügerisch)

trügerisch)

1993 wird eine neue Herausforderung für die niedergelassenen Ärzte im gesamten Bundesgebiet erkennbar

the temperature and the ratio were inquired

Enhancing and Sustaining Organizational Performance by Implementing Pollution Prevention

philosophische und politische Schriften

Logics for Databases and Information Systems formatIsbn:Softcover - 9781461375821 trügerisch)Time is ubiquitous in information systems. Almost every enterprise faces the problem of its data becoming out of date. However, such data is often valu able, so it should be archived and some means to access it should be provided. Also, some data may be inherently historical, e. g., medical, cadastral, or ju dicial records. Temporal databases provide a uniform and systematic way of dealing with historical data. Many languages have been proposed for