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YiSzen Tang2,221 Points
I can't do sqlite3 diary.db on python (not on workspaces) the error says: 'sqlite3' is not recognized as an internal or external command, operable program or batch file.
James J. McCombiePython Web Development Techdegree Graduate 21,199 Points
you would need to actually download SQlite itself to do this I believe. The python module sqlite3 provides an interface only.
that being said you can still interact with sqlite3 databases, and in fact create them using the module. To do this, you do:
# this connects to or creates the database
db = sqlite3.connect('diary.db')
# creates a cursor object which you will use to interact with the database
c = db.cursor()
# execute SQL queries as an example
c.execute(INSERT SQL HERE)
# save the changes
you may also consider installing an ORM (object-relational mapping) type package, like pewee, or SQLalchemy. Pewee will be covered if you do the python-flask lessons, and its nice to use - I would recommend reading the docs - https://peewee.readthedocs.io/en/latest - if only to get an idea of what it does.