Table partitioning

<div class="demo"><div class="head"><b>PARTITION PRUNING</b><span id="filterMonth">WHERE month = Sep</span></div><div class="stage partitions"><div class="queryline">orders →</div><div class="months"><div class="cell">Aug</div><div class="cell">Sep</div><div class="cell">Oct</div></div></div><div class="foot"><span id="partitionstatus">read Sep · skip 2</span><span>one logical table</span></div></div>

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let n=0;const names=['Aug','Sep','Oct'];function tick(){document.querySelectorAll('.months .cell').forEach((e,i)=>e.classList.toggle('on',i===n));document.getElementById('filterMonth').textContent='WHERE month = '+names[n];document.getElementById('partitionstatus').textContent='read '+names[n]+' · skip 2';n=(n+1)%3}tick();const t=setInterval(tick,850);document.querySelector('.demo').onclick=()=>{clearInterval(t);tick()}