postgres Don't forget to update the sequence in PostgreSQL after a COPY command You might have noticed that after bulk inserting records using the COPY statement in PostgreSQL the sequence IDs are not getting updated for any further inserts later on, and it would throw duplicate
ruby Connecting Ruby & Active Record Without Rails require 'active_record' require 'mysql2' # or 'pg' or 'sqlite3' # Change the following to reflect your database settings ActiveRecord::Base.establish_connection( adapter: 'mysql2', # or 'postgresql' or 'sqlite3' host: 'localhost', database: 'your_database', username:
postgres Postgresql: How to find pg_hba.conf file using Mac OS X To find the postgresql config file we can use the locate command. Type the following in your terminal: locate pg_hba.conf Or else: If you have a postgres server running on your
postgres Dump PostgreSQL without owner and privileges If you ever wanted to dump your postgres development database without the owner and the privileges, then you just need to run the following command: pg_dump database_name -O -x > output_
postgres Postgres could not connect to server $ psql psql: could not connect to server: No such file or directory Is the server running locally and accepting connections on Unix domain socket "/tmp/.s.PGSQL.5432"? The reason for