SQLAlchemy - Some Commonly Asked Questions | Python Central
Common Questions Before we dive deeper into SQLAlchemy, let's answer a possible list of questions regarding the ORM: Can you prevent SQLAlchemy from automatically creating a schema? Instead, can you bind SQLAlchemy models to an existing schema? Is there a performance overhead when using SQLAlchemy, compared to writing raw SQL? If so, how much? If you don't have enough permission to create tables i
Understanding Python SQLAlchemy's Session | Python Central
What are SQLAlchemy Sessions? What does the Session do? One of the core concepts in SQLAlchemy is the Session. A Session establishes and maintains all conversations between your program and the databases. It represents an intermediary zone for all the Python model objects you have loaded in it. It is one of the entry points to initiate a query against the database, whose results are populated and
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