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Objective: The assignment has been designed to develop your ability to calculate the Bitmap index. Instructions: Please read the following instructions carefully before solving & submitting assignment:
For any query about the assignment, contact only at CS614@vu.edu.pk Do not post queries related to assignment on MDB.
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As we required data blocks for solving our question.Let us consider:
Size of table_Player = 9
Qualifying blocks for table_player = QB(player) = 4
Size of table_Award = 12
Qualifying blocks for table_Award = QB(Award) = 4
Now , if table_Player is outer table:
Join cost Player&Award = 9+4*12 = 9+60 = 69 I/O’s
Using other order,if table_Award is outer table and table_Player is inner table.
Join cost Award&Player = 12+4*9=12+36= 48 I/O’s
So we get minimum I/O by using table_Award as outer table and table_Player as inner table.
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