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28 lines
831 B
Plaintext
28 lines
831 B
Plaintext
USE tpch1;
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drop table if exists mcol1403a;
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drop table if exists mcol1403b;
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create table mcol1403a (a int, b varchar(4)) engine=columnstore;
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create table mcol1403b (a int, b char(20), c varchar(20)) engine=columnstore;
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insert into mcol1403a values (1, 'ABC ');
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select * from mcol1403a where b = 'ABC';
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a b
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1 ABC
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select * from mcol1403a where b like 'ABC';
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a b
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select a, hex(b) from mcol1403a;
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a hex(b)
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1 41424320
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insert into mcol1403b values (1, 'Majestic12 ', 'Majestic12 ');
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select * from mcol1403b where lower(b) like 'majestic12 ';
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a b c
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select * from mcol1403b where lower(c) like 'majestic12 ';
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a b c
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1 Majestic12 Majestic12
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select concat(b, '#') from mcol1403b where b like '% ';
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concat(b, '#')
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select concat(c, '#') from mcol1403b where c like '% ';
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concat(c, '#')
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Majestic12 #
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drop table mcol1403a;
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drop table mcol1403b;
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