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a guest Sep 23rd, 2019 91 Never
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  1. require "pg"
  2.  
  3. begin
  4.   con = PG.connect(dbname: 'postgres')
  5.   con.exec('CREATE DATABASE app_db')
  6.   con_app = PG.connect(dbname: 'app_db')
  7.   con_app.exec('DROP TABLE IF EXISTS Names')
  8.   con_app.exec('CREATE TABLE Names(Id INTEGER, Name VARCHAR(20))')
  9.   con_app.exec("INSERT INTO Names VALUES(1, 'SomeName')")
  10.   result = con_app.exec('SELECT * FROM Names')
  11.   result.each { |name| puts "#{name['id']}, #{name['name']}" }
  12.   con_app.exec('DROP TABLE Names')
  13.   con_app&.close
  14.   con.exec('DROP DATABASE app_db')
  15.   con&.close
  16. end
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