28 Jun '16, 12am

Ruby: Módulo DBI para acesso a dados no Ruby: Quando falamos de Ruby, já nos vem a memória o Rails (framewor...

#!/usr/bin/env ruby # 2016 (c) Daniel Vinciguerra # importa o modulo dbi require 'dbi' # delete database if File.exist? File.expand_path('database.db') File.unlink File.expand_path('database.db') end # imprime todos os dados da tabela def table_data (message) puts "\n\n[DEBUG] #{message}:"; puts "%-2s %-10s %-80s" % ['ID', 'NOME', 'CRIADOR']; puts '-' * 60; DBI.connect('DBI:SQLite3:database.db') do |dbh| dbh.select_all('SELECT * FROM linguagem') do | row | puts "%-2s %-10s %-80s" % row.to_a end end end # conexão com banco de dados DBI.connect('DBI:SQLite3:database.db') do |dbh| # executando sqls dbh.do(<<-SQL); CREATE TABLE linguagem ( "id" INTEGER PRIMARY KEY AUTOINCREMENT, "nome" VARCHAR(20) NOT NULL, "criador" VARCHAR(80) NOT NULL ); SQL # inserindo dados no banco sql = "INSERT INTO linguagem ('nome', 'criador') VALUES (?, ?)" dbh.do(sql, 'Perl', 'Larry Wall') dbh.do(sq...

Full article: https://www.vivaolinux.com.br/script/-Modulo-DBI-para-ace...

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