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Contents

1 れ 企(factless fact tables)


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1 れ 企(factless fact tables) #

Factless Fact Table Measure螳 Fact Table企.
factless_fact_tables.jpg

  • fact螳 企企.
  • 企 企 蟇伎 企 蟆曙一 覦.
  • count(*) 一 譯
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蠍 蠍郁鍵..
企: : るジ讓曙 襦螻豺 企Ν 譯殊語. 襦螻豺
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磯Μ螳 蟾 覈 蟆れ 語螳 襷豺 磯Μ 覿覿 . (貅)