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DK
q
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CREATE TABLE a_test (
id serial PRIMARY KEY,
col1 text NOT NULL
);
INSERT INTO a_test(col1)
VALUES ('col1');
q
Ak
Login|Event|Dateв
user1|start|20120101
user1|end |20120103
user2|start|20120202
user2|end |20120203
Login|Start |End
user1|20120101|20120103
V
ВЯ
KK
Login|Event|Dateв
user1|start|20120101
user1|end |20120103
user2|start|20120202
user2|end |20120203
Login|Start |End
user1|20120101|20120103
ВЯ
V
Р
Р
ВЯ
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KK
YS
Login|Event|Dateв
user1|start|20120101
user1|end |20120103
user2|start|20120202
user2|end |20120203
Login|Start |End
user1|20120101|20120103