no of index record in the first level is 43? i m getting 43 as ans...
No. of blocks in disk = (30000x100)/1024 = 2930
In primary indexing , one entry for each block is there , so number of blocks in index = (2930 x 15)/1024 = 42.9=43
so total no of index records in first level 43...
am i correct?