Here's a quick and comprehensive look into how to improve mysql query performance in simple ways Tips and tricks on Offshore Outsourcing.Extended Team Model / Team Augmentation.In this case, only one line that creates the database file with the table.Ĭreate all the tables that were automatically registered in tadata.Īdd a main block, or "Top-level script environment". Put the code that creates side effects in a function. This doesn't create the database yet, no file or table is created at this point, only the engine object that will handle the connections with this specific database, and with specific support for SQLite (based on the URL). Use the name of the database file to create the database URL.In the database, the default value will be NULL, the SQL equivalent of None.Īs this field could be None (and NULL in the database), we annotate it with Optional. It is not required, the default value is None. It is required, so there's no default value, and it's not Optional. It is a primary key, so we use Field() and the argument primary_key=True. It could be None until the database assigns a value to it, so we annotate it with Optional.
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