Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

PHP PHP & Databases with PDO Getting Started With PDO Introductions

Ronaldo Fialho
Ronaldo Fialho
5,105 Points
Posted by Ronaldo Fialho
Ronaldo Fialho
5,105 Points

unkown command or invalid argument open

treehouse:~/workspace$ sqlite3
SQLite version 3.7.17 2013-05-20 00:56:22
Enter ".help" for instructions
Enter SQL statements terminated with a ";"
sqlite> .databases
seq name file

0 main
sqlite> .open database.db
Error: unknown command or invalid arguments: "open". Enter ".help" for help
sqlite> .tables
sqlite>

Why this is happening?? Any help plz!

1 Answer

Umesh Ravji
Umesh Ravji
42,361 Points
Umesh Ravji
Umesh Ravji
42,361 Points

Hi Ronaldo, there's a correction in the teachers notes regarding how to open the database.

Type sqlite3 database.db to open SQLite and the database that is discussed in this video. The .open command is not available in the version of SQLite available in Workspaces.