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drop table <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> ;
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ERROR: Relation '<27> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> ' does not exist
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create table <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> (<28> <> <EFBFBD> <EFBFBD> ɱ text, <20> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> varchar, <20> <> <EFBFBD> <EFBFBD> varchar(16));
create index <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> index1 on <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> using btree (<28> <> <EFBFBD> <EFBFBD> ɱ);
create index <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> index2 on <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> using hash (<28> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> );
insert into <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> values ('<27> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ', '<27> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ', 'ơA01<30> <31> ');
insert into <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> values ('<27> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ', '<27> <> <EFBFBD> <EFBFBD> ȴ<EFBFBD> <C8B4> <EFBFBD> <EFBFBD> Ƴ', '<27> <> B10<31> <30> ');
insert into <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> values ('<27> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ', 'ӡ<> <D3A1> ϴǹȴ<C7B9> <C8B4> <EFBFBD> <EFBFBD> Ƴ', '<27> <> Z01Ħ');
vacuum <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> ;
select * from <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> ;
<20> <> <EFBFBD> <EFBFBD> ɱ | <20> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD>
--------+------------------+---------
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ơA01<30> <31>
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> ȴ<EFBFBD> <C8B4> <EFBFBD> <EFBFBD> Ƴ | <20> <> B10<31> <30>
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ӡ<> <D3A1> ϴǹȴ<C7B9> <C8B4> <EFBFBD> <EFBFBD> Ƴ | <20> <> Z01Ħ
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(3 rows)
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select * from <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> where <20> <> <EFBFBD> <EFBFBD> = '<27> <> Z01Ħ';
<20> <> <EFBFBD> <EFBFBD> ɱ | <20> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD>
--------+------------------+---------
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ӡ<> <D3A1> ϴǹȴ<C7B9> <C8B4> <EFBFBD> <EFBFBD> Ƴ | <20> <> Z01Ħ
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(1 row)
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select * from <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> where <20> <> <EFBFBD> <EFBFBD> ~* '<27> <> z01Ħ';
<20> <> <EFBFBD> <EFBFBD> ɱ | <20> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD>
--------+------------------+---------
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ӡ<> <D3A1> ϴǹȴ<C7B9> <C8B4> <EFBFBD> <EFBFBD> Ƴ | <20> <> Z01Ħ
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(1 row)
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select * from <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> where <20> <> <EFBFBD> <EFBFBD> like '_Z01_';
<20> <> <EFBFBD> <EFBFBD> ɱ | <20> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD>
--------+------------------+---------
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ӡ<> <D3A1> ϴǹȴ<C7B9> <C8B4> <EFBFBD> <EFBFBD> Ƴ | <20> <> Z01Ħ
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(1 row)
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select * from <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> where <20> <> <EFBFBD> <EFBFBD> like '_Z%';
<20> <> <EFBFBD> <EFBFBD> ɱ | <20> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD>
--------+------------------+---------
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ӡ<> <D3A1> ϴǹȴ<C7B9> <C8B4> <EFBFBD> <EFBFBD> Ƴ | <20> <> Z01Ħ
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(1 row)
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select * from <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> where <20> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> ~ '<27> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> [<5B> <> ش<EFBFBD> <D8B4> ]';
<20> <> <EFBFBD> <EFBFBD> ɱ | <20> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD>
--------+----------+---------
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ơA01<30> <31>
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(1 row)
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select * from <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> where <20> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> ~* '<27> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> [<5B> <> ش<EFBFBD> <D8B4> ]';
<20> <> <EFBFBD> <EFBFBD> ɱ | <20> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD>
--------+----------+---------
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ơA01<30> <31>
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(1 row)
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select *, character_length(<28> <> <EFBFBD> <EFBFBD> ɱ) from <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> ;
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<20> <> <EFBFBD> <EFBFBD> ɱ | <20> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> | char_length
--------+------------------+---------+-------------
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ơA01<30> <31> | 3
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> ȴ<EFBFBD> <C8B4> <EFBFBD> <EFBFBD> Ƴ | <20> <> B10<31> <30> | 3
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ӡ<> <D3A1> ϴǹȴ<C7B9> <C8B4> <EFBFBD> <EFBFBD> Ƴ | <20> <> Z01Ħ | 3
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(3 rows)
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select *, octet_length(<28> <> <EFBFBD> <EFBFBD> ɱ) from <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> ;
<20> <> <EFBFBD> <EFBFBD> ɱ | <20> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> | octet_length
--------+------------------+---------+--------------
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ơA01<30> <31> | 6
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> ȴ<EFBFBD> <C8B4> <EFBFBD> <EFBFBD> Ƴ | <20> <> B10<31> <30> | 6
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ӡ<> <D3A1> ϴǹȴ<C7B9> <C8B4> <EFBFBD> <EFBFBD> Ƴ | <20> <> Z01Ħ | 6
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(3 rows)
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select *, position('ȴ<> <C8B4> ' in <20> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> ) from <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> ;
<20> <> <EFBFBD> <EFBFBD> ɱ | <20> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> | strpos
--------+------------------+---------+--------
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ơA01<30> <31> | 0
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> ȴ<EFBFBD> <C8B4> <EFBFBD> <EFBFBD> Ƴ | <20> <> B10<31> <30> | 3
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ӡ<> <D3A1> ϴǹȴ<C7B9> <C8B4> <EFBFBD> <EFBFBD> Ƴ | <20> <> Z01Ħ | 5
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(3 rows)
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select *, substring(<28> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> from 3 for 6 ) from <20> <> ٸ<EFBFBD> <D9B8> <EFBFBD> <EFBFBD> ;
<20> <> <EFBFBD> <EFBFBD> ɱ | <20> <> Ƴ<EFBFBD> <C6B3> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> | substr
--------+------------------+---------+--------------
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ơA01<30> <31> | <20> <> <EFBFBD> <EFBFBD>
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | <20> <> <EFBFBD> <EFBFBD> ȴ<EFBFBD> <C8B4> <EFBFBD> <EFBFBD> Ƴ | <20> <> B10<31> <30> | ȴ<> <C8B4> <EFBFBD> <EFBFBD> Ƴ
<20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> | ӡ<> <D3A1> ϴǹȴ<C7B9> <C8B4> <EFBFBD> <EFBFBD> Ƴ | <20> <> Z01Ħ | ϴǹȴ<C7B9> <C8B4> <EFBFBD> <EFBFBD> Ƴ
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(3 rows)