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6 lines
250 B
SQL
6 lines
250 B
SQL
drop table if exists lc_00906;
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create table lc_00906 (b LowCardinality(String)) engine=MergeTree order by b;
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insert into lc_00906 select '0123456789' from numbers(100000000);
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select count(), b from lc_00906 group by b;
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drop table if exists lc_00906;
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