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Secondary Indices Example 40000 10101 Srinivasan Comp.Sci. 65000 60000 12121 Wu Finance 90000 62000 15151 Mozart Music 40000 65000 22222 Einstein Physics 95000 72000 32343 El Said History 60000 75000 33456 Gold Physics 87000 80000 87000 45565 Katz Comp.Sci. 75000 90000 58583 Califieri History 62000 92000 76543 Singh Finance 80000 95000 76766 Crick Biology 72000 83821 Brandt Comp.Sci. 92000 98345 Kim Elec.Eng. 80000 Secondary index on salary field of instructor Index record points to a bucket that contains pointers to all the actual records with that particular search-key value. Secondary indices have to be dense Database System Concepts-6th Edition 11.10 ©Silberschat乜,Korth and SudarshanDatabase System Concepts - 6 11.10 ©Silberschatz, Korth and Sudarshan th Edition Secondary Indices Example Index record points to a bucket that contains pointers to all the actual records with that particular search-key value. Secondary indices have to be dense Secondary index on salary field of instructor
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