Skip to main content

Notice: Workspaces are undergoing maintenance and are temporarily unavailable.

🚀 In our NEW AI Bootcamp you'll build a working app in 28 days, no experience required. Free to all subscription levels.

✨ Earn college credits in Cybersecurity, JS, HTML, CSS and Python

Join the Treehouse affiliate program and earn 25% recurring commission! 🤑

  • Treehouse Logo
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
    • All Courses
    • Tracks
    • AI Bootcamp
    • College Credit
    • Techdegree Bootcamps
    • Front End Development
    • Full Stack JavaScript
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
    • 100 Days of Code
    • Explore
    • Career Toolbox
    • Free Treehouse Near Me
    • Affiliates
    • Blog
    • Support
    • About
    • Learn
    • Beginner's Guide to Coding
    • Data Analysis with SQL & Python
    • Front-End Web Development
    • Python Programming Basics
    • Techdegree Bootcamp Overview
    • UX Design Fundamentals
    • AI Tools for Beginners
  • For Individuals For Businesses For Schools For Libraries For Military
  • All Courses Tracks AI Bootcamp College Credit
  • Techdegree Bootcamps Front End Web Development Full Stack JavaScript
  • Code Adventures Discord Forum Success Stories Treehouse Links 100 Days of Code
  • Explore Career Toolbox Free Treehouse Near Me Affiliates Blog Support About
    Learn Beginner's Guide to Coding Data Analysis with SQL & Python Front-End Web Development Python Programming Basics Techdegree Bootcamp Overview UX Design Fundamentals AI Tools for Beginners
  • Sign In
  • Free Trial
Instagram Twitter Facebook YouTube LinkedIn
Loading banner... Start your free trial at Treehouse
    • Newest
      • Newest
      • Active
      • Unanswered
      • Featured
    • All Topics
      • All Topics
      • • General Discussion
      • • AI
      • • APIs
      • • Coding for Kids
      • • College Credit
      • • Computer Science
      • • CSS
      • • Data Analysis
      • • Databases
      • • Design
      • • Development Tools
      • • Digital Literacy
      • • Game Development
      • • Go Language
      • • HTML
      • • Java
      • • JavaScript
      • • Learning Resources
      • • Machine Learning
      • • No-Code
      • • PHP
      • • Professional Growth
      • • Python
      • • Quality Assurance
      • • React
      • • Ruby
      • • Security
      • • Swift
      • • Vibe Coding
  • Ronaldo Fialho
    Ronaldo Fialho
    5,105 Points

    unkown command or invalid argument open

    Posted March 14, 2017 12:39pm by Ronaldo Fialho
    Ronaldo Fialho
    5,105 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    1 Answer

  • Miguel Zayas
    Miguel Zayas
    8,704 Points

    .open not working

    Posted March 7, 2017 12:12pm by Miguel Zayas
    Miguel Zayas
    8,704 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    0 Answers

  • sivakumarthiyagarajan
    PLUS
    sivakumarthiyagarajan
    Courses Plus Student 300 Points

    Console

    Posted October 12, 2016 7:16pm by sivakumarthiyagarajan
    sivakumarthiyagarajan
    Courses Plus Student 300 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    0 Answers

  • Jeffrey Cheong
    Jeffrey Cheong
    5,653 Points

    the preview does not register the error for dataaaabase.db still reads as an object

    Posted December 30, 2015 11:40pm by Jeffrey Cheong
    Jeffrey Cheong
    5,653 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    1 Answer

  • Elena Paraschiv
    Elena Paraschiv
    9,938 Points

    Where can I find the database file?

    Posted November 19, 2015 12:05am by Elena Paraschiv
    Elena Paraschiv
    9,938 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    2 Answers

  • Elena Paraschiv
    Elena Paraschiv
    9,938 Points

    Can I write all this using MySQL Workbench?

    Posted November 17, 2015 11:59pm by Elena Paraschiv
    Elena Paraschiv
    9,938 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    2 Answers

  • Andrew Norris
    Andrew Norris
    4,857 Points

    sqlite3 .open command

    Posted November 6, 2015 9:13pm by Andrew Norris
    Andrew Norris
    4,857 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    1 Answer

  • Chris Grazioli
    Chris Grazioli
    31,225 Points

    Can't get sqlite to work properly in Workspaces - Connecting with PDO

    Posted November 2, 2015 9:44pm by Chris Grazioli
    Chris Grazioli
    31,225 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    2 Answers

  • Jonathan Grieve
    Jonathan Grieve
    91,254 Points

    Console doesn't work with sqLite3

    Posted October 26, 2015 4:51pm by Jonathan Grieve
    Jonathan Grieve
    91,254 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    3 Answers

  • Ian Taylor
    Ian Taylor
    3,525 Points

    Workspace empty, for PHP and Databases with PDO Introduction video?

    Posted October 25, 2015 10:51am by Ian Taylor
    Ian Taylor
    3,525 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    0 Answers

  • Hasnain Ashfaq
    PLUS
    Hasnain Ashfaq
    Courses Plus Student 3,929 Points

    Nothings seems to work for me not even sqlite3 database.db

    Posted October 18, 2015 12:09pm by Hasnain Ashfaq
    Hasnain Ashfaq
    Courses Plus Student 3,929 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    5 Answers

  • Heri Mardinal
    Heri Mardinal
    3,125 Points

    .open database.db <error

    Posted September 4, 2015 8:28am by Heri Mardinal
    Heri Mardinal
    3,125 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    3 Answers

  • Donnie Reese
    Donnie Reese
    17,211 Points

    Why is there not a '.open' listed in sqlite3 like he shows in the video?

    Posted July 28, 2015 1:28pm by Donnie Reese
    Donnie Reese
    17,211 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    3 Answers

  • Darren Joy
    Darren Joy
    19,573 Points

    .open command error

    Posted July 8, 2015 2:14pm by Darren Joy
    Darren Joy
    19,573 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    4 Answers

  • Iain Diamond
    Iain Diamond
    29,379 Points

    Tip: Browsing SQLite Databases

    Posted June 19, 2015 5:05pm by Iain Diamond
    Iain Diamond
    29,379 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    2 Answers

  • MUZ140610 Tinashe Marunda
    MUZ140610 Tinashe Marunda
    7,028 Points

    Unable to open database in the SQLLITE 3 error which says unknown comman or invalid arguments appears once i try to open

    Posted June 16, 2015 7:49am by MUZ140610 Tinashe Marunda
    MUZ140610 Tinashe Marunda
    7,028 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    3 Answers

  • Brady Behrman
    Brady Behrman
    824 Points

    "Error: Unknown Command or Invalid Arguments: "open"

    Posted June 9, 2015 8:23pm by Brady Behrman
    Brady Behrman
    824 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    3 Answers

  • Juliette Tworsey
    seal-mask
    .a{fill-rule:evenodd;}techdegree seal-36
    Juliette Tworsey
    Front End Web Development Techdegree Graduate 32,628 Points

    SQL Lite not working properly

    Posted June 5, 2015 5:17pm by Juliette Tworsey
    .a{fill-rule:evenodd;}techdegree seal-36
    Juliette Tworsey
    Front End Web Development Techdegree Graduate 32,628 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    1 Answer

  • sayedshahidi
    sayedshahidi
    9,158 Points

    How can i run sqlite locally ? with xampp or wampp ?

    Posted May 25, 2015 8:06pm by sayedshahidi
    sayedshahidi
    9,158 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    3 Answers

  • ahmedalsammarraie
    ahmedalsammarraie
    137 Points

    I enter .open command and the console says "unknown command"

    Posted April 3, 2015 12:47am by ahmedalsammarraie
    ahmedalsammarraie
    137 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    0 Answers

  • Y L
    Y L
    8,135 Points

    .open error in sqlite

    Posted March 22, 2015 10:01pm by Y L
    Y L
    8,135 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    4 Answers

  • Bryan Davidson
    Bryan Davidson
    4,563 Points

    How do I get the database files running locally? I have MySQL installed. Do I need SQL Lite? What about the Sakila db?

    Posted March 15, 2015 6:21pm by Bryan Davidson
    Bryan Davidson
    4,563 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    2 Answers

  • Jack Dean
    Jack Dean
    5,772 Points

    Did this course replace Randy's course in the php track?

    Posted March 7, 2015 2:49pm by Jack Dean
    Jack Dean
    5,772 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    1 Answer

  • Mike McDermott
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    Mike McDermott
    Front End Web Development Techdegree Student 13,093 Points

    I don't have any files in my workspace

    Posted March 2, 2015 11:46pm by Mike McDermott
    .a{fill-rule:evenodd;}techdegree
    Mike McDermott
    Front End Web Development Techdegree Student 13,093 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    2 Answers

  • Richard Hope
    Richard Hope
    25,237 Points

    Using sqlite3 with my website.

    Posted February 20, 2015 4:38pm by Richard Hope
    Richard Hope
    25,237 Points
    • PHP
    • PHP & Databases with PDO
    • Getting Started With PDO
    • Introductions

    2 Answers

Posting to the forum is only allowed for members with active accounts.
Please sign in or sign up to post.

Techdegree

  • Front End Web Development
  • Full Stack JavaScript
SEE ALL

Tracks

  • Learn to Code for Beginners
  • Beginning Python
  • Beginning SQL
  • Beginning Java
SEE ALL

Courses

  • JavaScript Basics
  • Intro to HTML & CSS
  • Python Basics
  • CSS Layout
SEE ALL

About Us

  • About
  • Blog
  • Community
  • Stories
  • Contact
  • Gift Card

Explore

  • Plans
  • Affiliates
  • Perks
  • Shop
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses

Treehouse is an online technology education platform founded in 2011. Treehouse offers more than 700 self-paced, video-based courses in web development, programming, data analysis, design, and AI, plus two project-based bootcamp programs in Front End Web Development and Full Stack JavaScript. Individual Treehouse plans start at $25 per month and include a 7-day free trial. Treehouse serves individual learners, businesses, schools, and public libraries. Cardholders at participating U.S. public libraries can use Treehouse for free. Select Treehouse courses, offered with University Pathways International, are recommended for college credit by ACE and NCCRS. Treehouse learners earn digital certificates for completed Tracks.

Terms & Conditions · Privacy · © 2026 Treehouse Island, Inc.
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
  • Discord