-- 리포팅 대시보드는 동일한 일별 롤업을 반복함. AggregatingMergeTree + MV로 미리 -- 집계하면 대시보드 쿼리가 1,000만 행 대신 수천 행만 읽음. uniqState는 근사 -- distinct 상태를 *합산 가능한* 형태로 보존. -- 7.1 Target table — daily cube per (campaign, event ...

Vice President JD Vance is making his debut on "The View" during an eventful week for President Donald Trump's administration. Vance, 41, is set to appear on the ABC daytime talk show on Tuesday, June ...

-- Pre-aggregating trips by (hex, hour) in a Materialized View turns the -- "top hexes right now" query from a full table scan into a tiny lookup. -- (hex, hour) 단위로 미리 집계해두면 "지금 가장 바쁜 hex"를 풀스캔 없이 -- ...

Microsoft has released out-of-band (OOB) updates to fix issues affecting Windows Server systems after installing the April 2026 security updates. As Microsoft confirmed last week, some admins may ...

A software engineer with vast knowledge about distributed system and query optimization. If you’ve ever watched a seemingly simple dashboard grind your database to a halt, you already understand why ...

This month, a rare six-planet "alignment" will be visible to stargazers. Soon after sunset on Saturday, February 28, a planetary alignment, also known as a "planet parade," will brighten up our night ...

How did you build your village? We asked NPR's audience this question in our newsletter in January, inspired by Life Kit's interview with Priya Parker on how to create community. The key is to start ...

SQL Server backups cannot be restored to older versions directly. Use Export and Import Data-Tier Application for cross-version database migration. Reconfigure permissions, logins, and connection ...

This Pew Research Center analysis is part of a broader project that examines Americans’ views of immigration policy, immigration officers’ actions and the public’s response to immigration enforcement.

The first crewed mission around the moon in more than 50 years is coming up. Here’s how to see it at sites in and around the Kennedy Space Center in Florida or online. By Ceylan Yeğinsu March 27: This ...

GameSpot may receive revenue from affiliate and advertising partnerships for sharing this content and from purchases through links. Arc Raiders quests on Stella Montis can either be super relaxed or ...