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Results tagged with postgresql
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user 95510
PostgreSQL is an open-source, Relational Database Management System (RDBMS) available for many platforms including Linux, UNIX, MS Windows and Mac OS X. Please mention your PostgreSQL version when asking questions. Always include the "sql" tag and possibly the "plpgsql" tag if applicable.
4
votes
3
answers
12k
views
Splitting a list of numbers into multiple lists
I need split the list I get from the select into multiple list so I can use Parallel.For() to generate the next query in different threads.
I create the main list
Create the sub list
Keep filling su …
CommunityBot
- 1
1
vote
Splitting a list of numbers into multiple lists
I found this version. I create one query to return an array. here just hard code the size 100.
using (var cmd = new NpgsqlCommand())
{
cmd.Connection = conn;
cmd.CommandText = "with cte as ( …
3
votes
1
answer
527
views
Find all the countries I can visit by just crossing direct borders
I was helping on this question. There you have a table border to indicate countryA and countryB have a common border. And want to know what country you can reach starting from country S Sweden.
I did …
CommunityBot
- 1