PostgreSQL 9.0 : 2010 release of PostgreSQL

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PostgreSQL Error : server closed the connection unexpectedly

I cannot connect to PostgreSQL server from PgAdmin III , so i get this error: Error connecting to the server: server closed the connection unexpectedly This probably means the server ...
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Vacuum settings for mostly append-only data

I have a table with the following characteristics: We INSERT a few 100k rows each day We never UPDATE the rows We DELETE "old" data once a week From my shallow knowledge of Postgres VACUUM, it ...
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Postgresql querying trends

Firstly apologies if this is a duplicate, I am fairly new to SQL and so Im not sure what the correct terminology to use in my searches So I have a database which records motor races, with the ...
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Select longest continuous sequence

I am trying to construct a query in PostgreSQL 9.0 that gets the longest sequence of continuous rows for a specifc field. Consider the following table: lap_id (Serial), lap_no (int), car_type ...
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How can I correctly choose maximum number of occurrences of a string while grouping by another field?

I am using Postgresql 9.0. I have the following fields in a table: id, name. id name 1 John 1 Mary 1 Mary 1 Mary 1 John 1 Mary 3 Paul 3 Paul 3 George ...
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Passing an array or record to a stored procedure in PostgreSQL

I have a task to pass arrays, records and in some cases array of records as a parameter to the stored procedures in PostgreSQL. Any ideas?
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Where does the magic column “name” come from?

I got this by accident: db=> select name from site; ERROR: column "name" does not exist LINE 1: select name from site; ^ db=> select site.name from site; name ...