A database table TI has 80 disk blocks. Another table T2 has 400 records and occupies 20 disk blocks. These two tables have to be joined as per a specified join condition that needs to be evaluated for every pair of records from these two tables. The memory buffer space available can hold exactly one block of records for T1 and one block of records for T2 simultaneously at any point in time. No index is available on either table. 6.8 If Nested-loop join algorithm is employed to perform the join, with the most appropriate

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Name John Fetzer Johnny Fetzer Which of the following choices is a field? Name John Fetzer 7-2332 123 Sesame St Phone 7-2332 7-2322 All of the above Address 123 Sesame St 123 Sesame St

Sort results by reverse domain: Create a data category. Domain that depicts domain names, including a suitable compareTo() function where the natural order is in reverse domain name order. For example, cs.princeton.edu's mirror name is edu.princeton.cs. This is helpful for analysing site logs. Use s.split(".") to divide the string s into pieces separated by underscores. Create a client that takes normal input and displays the reverse domains in sorted order.