Recently, NSFOCUS CERT detected that Microsoft released a security update that fixed the Windows Server Update Service (WSUS) remote code execution vulnerability (CVE-2025-59287); Because WSUS’s ...

One of the most respected Microsoft DevOps certifications today is the AZ-400 Microsoft Certified DevOps Engineer Expert. To pass the AZ-400 certification exam, use AZ-400 exam simulators, review ...

🔹 场景2：考勤打卡重复时间戳→ GROUP BY精准去重 🔹 场景3：采购清单重复物料→ 窗口函数标记保留最新 🔹 场景4：问卷调查重复提交→ 自连接查重逻辑 🔹 场景5：多表合并重复项→ UNION自动去重黑科技 场景1：销售表重复客户记录 → 1行DISTINCT搞定 痛点 ...

One of the most respected entry-level cloud native certifications available today is the CNCF Kubernetes and Cloud Native Associate (KCNA). So how do you pass the KCNA certification? You practice by ...