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17 lines
825 B
SQL
17 lines
825 B
SQL
set autocommit=0;
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select count(*) from nation where n_nationkey * (n_regionkey > 0) = 0;
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select count(*) from nation where n_nationkey * (n_regionkey > 0) = 0;
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select count(*) from nation where n_nationkey * (n_regionkey > 0) = 0;
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select count(*) from nation where n_nationkey * (n_regionkey > 2) = 0;
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select count(*) from nation where n_nationkey * (n_regionkey > 2) = 0;
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select count(*) from nation where n_nationkey * (n_regionkey > 2) = 0;
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update nation set n_regionkey = n_nationkey where n_nationkey * (n_regionkey > 0) = 0;
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select count(*) from nation where n_nationkey * (n_regionkey > 0) = 0;
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select * from nation;
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rollback;
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update nation set n_regionkey = n_nationkey where n_nationkey * (n_regionkey > 2) = 0;
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select count(*) from nation where n_nationkey * (n_regionkey > 2) = 0;
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select * from nation;
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rollback;
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