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52 lines
1.1 KiB
Plaintext
52 lines
1.1 KiB
Plaintext
USE tpch1;
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select count(*) from nation where n_nationkey in (select n_nationkey from (select n_nationkey from nation group by n_nationkey ) a);
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count(*)
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select count(*) from nation where n_nationkey in (select n_nationkey from (select count(*) c3, n_nationkey from nation group by n_nationkey ) a);
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count(*)
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select count(*) from nation where n_nationkey in (select n_nationkey from (select n_nationkey, count(*) from nation group by n_nationkey ) a);
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count(*)
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select n_nationkey from (select count(*) c3, n_nationkey from nation group by 2) a order by 1;
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n_nationkey
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0
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select n_nationkey, n_name from nation where n_nationkey in (select r_regionkey from (select count(*), r_regionkey from region group by 2) a) order by 1;
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n_nationkey n_name
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0 ALGERIA
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1 ARGENTINA
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2 BRAZIL
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3 CANADA
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4 EGYPT
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select n_nationkey, n_name from nation where n_nationkey in (select r_regionkey from (select r_regionkey, count(*) from region group by 1) a) order by 1;
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n_nationkey n_name
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0 ALGERIA
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1 ARGENTINA
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2 BRAZIL
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3 CANADA
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4 EGYPT
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