SQLite remains a toy-database, its limitations honestly admitted by the sqlite crew on the sqlite site.
IMHO, one might as well start out with a real database and conquer the teething problems that might be caused by installing PostgreSQL. You won't regret it.
To use PostgreSQL, replace the SQLite connection string:
with a connection string for PostgreSQL, for instance:
The three parts in the above tutorial (create table, insert rows, select rows) will run the same on this postgresql $dbh (data base handle).
The PostgreSQL flavour of SQL is here: sql-commands.html
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