PostgreSQL version 9.0

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11
votes
2answers
3k views

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 (enum),...
4
votes
1answer
1k views

Creating crosstab() pivot table in PostgreSQL 9.0

I have a rather complicated issue for myself which I hope someone can help me with. I want to use PostgreSQL to enable me to create pivot tables from a geometry-less table. To keep it simple I will ...
2
votes
1answer
16k views

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 ...
2
votes
1answer
377 views

Add column with a sum total to crosstab() query in PostgreSQL 9.0

Following on from my previous question: Creating crosstab() pivot table in PostgreSQL 9.0 I managed to create a pivot table for ageband using the crosstab() function. I can use this to either create ...