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Fixed-Length Records Simple approach: Store record i starting from byte n *(i-1),where n is the size of each record. Record access is simple but records may cross blocks Modification:do not allow records to cross block boundaries record 0 10101 Srinivasan Comp.Sci. 65000 record 1 12121 Wu Finance 90000 record 2 15151 Mozart Music 40000 record 3 22222 Einstein Physics 95000 record 4 32343 El Said History 60000 record 5 33456 Gold Physics 87000 record 6 45565 Katz Comp.Sci. 75000 record 7 58583 Califieri History 62000 record 8 76543 Singh Finance 80000 record 9 76766 Crick Biology 72000 record 10 83821 Brandt Comp.Sci. 92000 record 11 98345 Kim Elec.Eng. 80000 Database System Concepts-7th Edition 13.3 @Silberschatz,Korth and SudarshanDatabase System Concepts - 7 13.3 ©Silberschatz, Korth and Sudarshan th Edition Fixed-Length Records ▪ Simple approach: • Store record i starting from byte n  (i – 1), where n is the size of each record. • Record access is simple but records may cross blocks ▪ Modification: do not allow records to cross block boundaries
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