Materialized view

<div class="demo"><div class="head"><b>MATERIALIZED VIEW</b><span>orders count</span></div><div class="stage viewcompare"><div class="metric"><span>source</span><strong id="sourceCount">2</strong><div class="bars"><i></i><i></i><i class="extra" id="newOrder"></i></div></div><div class="metric"><span>stored view</span><strong id="viewCount">2</strong><div class="bars"><i></i><i></i><i class="extra" id="refreshed"></i></div></div></div><div class="foot"><span id="viewstatus">both show 2</span><span>REFRESH</span></div></div>

*{box-sizing:border-box}.demo{width:min(96vw,820px);height:min(94vh,350px);padding:clamp(8px,2vmin,18px);border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--fg);display:flex;flex-direction:column;gap:clamp(5px,1.5vmin,12px);font:600 clamp(12px,3.5vmin,15px)/1.25 var(--font-sans),sans-serif;overflow:hidden}.head,.foot,.row{display:flex;justify-content:space-between;align-items:center;gap:8px}.head b{color:var(--accent)}.head span,.foot,.muted{color:var(--muted)}.stage{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;gap:8px}.cell,.pill{border:1px solid var(--line);border-radius:8px;background:var(--bg);padding:clamp(4px,1.2vmin,9px);text-align:center}.pill{border-radius:999px}.on{border-color:var(--accent)!important;background:color-mix(in srgb,var(--accent) 17%,var(--surface))!important;color:var(--fg)!important}.bad{border-color:#e16a5d!important;background:color-mix(in srgb,#e16a5d 18%,var(--surface))!important}.foot{font-size:clamp(12px,3vmin,14px)}.viewcompare{justify-content:space-around}.metric{min-width:37%;display:grid;gap:6px;text-align:center}.metric span{color:var(--muted)}.metric strong{font:700 clamp(22px,7vmin,36px) ui-monospace,monospace;color:var(--accent)}.bars{display:flex;gap:5px;justify-content:center}.bars i{width:clamp(15px,4vmin,24px);height:clamp(23px,6vmin,36px);background:var(--accent);border-radius:3px}.bars .extra{opacity:.13;transition:opacity .3s}.bars .extra.on{opacity:1}

let n=0;function tick(){document.getElementById('sourceCount').textContent=n?3:2;document.getElementById('viewCount').textContent=n===2?3:2;document.getElementById('newOrder').classList.toggle('on',n>0);document.getElementById('refreshed').classList.toggle('on',n===2);document.getElementById('viewstatus').textContent=['both show 2','source changed · view stale','REFRESH · view shows 3'][n];n=(n+1)%3}tick();const t=setInterval(tick,950);document.querySelector('.demo').onclick=()=>{clearInterval(t);tick()}