Are you cut out for living and working in Antarctica?
Use specialized join types. ANY JOIN returns only the first matching row from the right table, making it much faster and more memory-efficient for lookup-style enrichment queries. ASOF JOIN is purpose-built for time-series data where you need the closest match rather than an exact one.
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\setsq{3}{3}% c1 = wB
作为首次参与中国全国两会报道的记者，毛里求斯国家电视台记者萨蒂恩·布鲁特难掩兴奋之情：“2026年是中国‘十五五’开局之年，中国发展蓝图吸引全球关注。”