<p>Given a relation R of size 510,000 blocks which is sorted usingthe external sort-merge algorithm. Assume a main memory of 51blocking buffers.<br/><strong>(a)</strong> How many sorted runs are produced initially?What is
<p class="ng-scope" style="padding:0px;line-height:1.6;">Describe the three elements that must be included in orderfor a loop to perform correctly. What will happen if thesestatements are not included? Provide examples.</p><br/> Expert Answer