Question
A table has 1,000,000 (million) rows. Each row is 500 bytes. - The data transfer speed of the disk is 400 MB/SEC - The seek
A table has 1,000,000 (million) rows. Each row is 500 bytes.
- The data transfer speed of the disk is 400 MB/SEC
- The seek time is on average 0.001 seconds
- The index fan out is 200
- The secondary index is not a clustering index.
How many seconds would it take to read a range of records using the index if 100,000 (one-hundred thousand, or 10% of all records) records qualify?
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Advanced MySQL 8 Discover The Full Potential Of MySQL And Ensure High Performance Of Your Database
Authors: Eric Vanier ,Birju Shah ,Tejaswi Malepati
1st Edition
1788834445, 978-1788834445
