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[13] Chamberlin, D. D.: A S u m m a r y of Use r E x p e r i e n c e wi th the S Q L D a t a S u b l a n g u a g e , in: Proc. Int . C o n f . on D a t a Bases, Deen. 5 . M.. a n d Hammerslev. P. (Eds. ) , H e y d e n , L o n d o n , J u n e 1980, pp . 181-230. [14] Lacroix. M.: Piroiie, Λ : C o m p a r i s o n of D a t a b a s e In t e r f ace s for A p p l i c a t i o n P r o g r a m m i n g , in: I n f o r m a t i o n Sys tems, Vol. 8, No . 3, 1983, pp . 217-229 . [15] Kinsler. C.: Le is tungsverg le ich von S E S A M VI2.1 u n d SES A M V I 3 , P ro j ek t a rbe i t , FB I n f o r m a t i k , Uni Ka i se r s l au t e rn , Apti l 1984. [16] Härder, T.: Peinl. P.: Eva lua t i ng Mul t ip l e Server D B M S in G e n e r a l P u r p o s e O p e r a t i n g System E n v i r o n m e n t s , in : Proc. 10th Int . C o n f . on V L D B , S ingapo re , Augus t 1984, pp . 129-140. [17] Gray. J.: R e p o r t on T r i p to M I T , D B E x t r a v a n g a n z a at W a n g Ins t i tu te a n d I B M Y o r k t o w n Res. Lab. , Augus t 1984, personal c o m m u n i c a t i o n . Prof . Dr . Theo Härder (39). S t u d i u m de r E l e k t r o t e c h n i k a n d e r T H D a r m s t a d t (1966-1971) , seit 1972 Mi t a rbe i t im F a c h b e r e i c h I n f o r m a t i k ( D a t e n v e r w a l t u n g s s y s t e m e ) de r T H D a r m s t a d t , 1975 P r o m o t i o n , 1976 Pos t -doc to ra l Fe l low in I B M R e s e a r c h , San J o s e (Mi t a rbe i t im Pro jek t „ S y s t e m R " ) , 1977 D o z e n t , 1978 P ro fe s so r für I n f o r m a t i k an de r T H D a r m s t a d t , seit 1980 P ro fe s so r f ü r Prakt ische I n f o r m a t i k ( D a t e n v e r w a l t u n g s s y s t e m e ) an de r Univers i t ä t Ka i se r s l au te rn . D i p l . I n f o r m . Klaus Meyer-Wegener (28). S t u d i u m de r I n f o r m a t i k 1975-1980 an de r T e c h n i s c h e n H o c h s c h u l e D a r m s t a d t mit N e b e n fach W i r t s c h a f t s w i s s e n s c h a f t e n ( O p e r a t i o n s R e s e a r c h ) u n d S c h w e r p u n k t D a t e n b a n k s y s t e m e . W i s s e n s c h a f t l i c h e r Mi t a rbe i t e r am Fachbe re i ch I n f o r m a t i k der Univers i t ä t Ka i s e r s l au t e rn . H a u p t a r b e i t s g e b i e t : T P M o n i t o r e u n d D B / D C S y s t e m e . A n s c h r i f t der Ver fa s se r : Univers i t ä t K a i s e r s l au t e r n , F a c h b e r e i c h I n f o r m a t i k , E r w i n S c h r ö d i n g e r S t r a ß e , G e b . 48, D-6750 Kaisersl au te rn .

Über die historische Entwicklung der Datenspeichertechnik auf Magnetband/ On the history of digital data storage on magnetic tape