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14 lines
407 B
Plaintext
14 lines
407 B
Plaintext
USE ssb1;
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select count(*) from dateinfo where d_datekey in (select d_datekey from dateinfo);
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count(*)
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2556
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select count(*) from dateinfo where d_datekey not in (select d_datekey from dateinfo);
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count(*)
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0
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select count(*) from dateinfo where d_month in (select d_month from dateinfo);
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count(*)
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2556
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select count(*) from dateinfo where d_sellingseason in (select d_sellingseason from dateinfo);
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count(*)
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2556
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