S-Man

S-Man has asked 6 questions and find answers to 33 problems.

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Advanced PostgreSQL Querying

ISBN 978-3752967340

S-Man questions

Open KML/GPX files in appropriate external map app
Window functions: PARTITION BY one column after ORDER BY another
Window Functions: last_value(ORDER BY ... ASC) same as last_value(ORDER BY ... DESC)
Refind WebElement which class removed at click event

S-Man answers

Finding gap between date range Postgres
Get element from array of JSON postgres
Most efficient way to remove duplicates - Postgres
operator does not exist: json @> unknown
PostgreSQL left join query object array aggregate
How to get id of the row which was selected by aggregate function? [duplicate]
Postgresql get keys from array of objects in JSONB field
How can i create a table with one column of enum datatype in postgresql database?
Postgres check constraint in text array for the validity of the values
Drop a single enum value in postgres