With the implicit conversion, SQL Server performs an index scan — it reads every single row in the index, converts each value, and then compares. Instead of a handful of logical reads, you’re doing tens of thousands. Multiply that by the number of times the query executes per day, and you’ve got a serious CPU problem.
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，这一点在搜狗输入法下载中也有详细论述
12:54, 5 марта 2026Спорт，推荐阅读爱思助手下载最新版本获取更多信息
Фото: Alina Smutko / Reuters
for (Aggregate aggregate: aggregates) {