Introduction to SQLAlchemy

By : Yogesh Kumar

SQLAlchemy

The breadth of SQLAlchemy’s SQL rendering engine, DBAPI integration, transaction integration, and schema description services are documented here. In contrast to the ORM’s domain-centric mode of usage, the SQL Expression Language provides a schema-centric usage paradigm.

SQLAlchemy has two main parts:
- Core
- ORM (Object Relational Mapper)

In this blog, we’ll only discuss about SqlAlchemy Core.

### Core

SQLAlchemy mainly consists of following:
- Engine
- Connection
- Dialect
- Metadata
- Table
- Column

## Engine
It’s the starting point for SQLAlchemy and used to connect to databases and it‘s API.
## Connection
Connection provides functionality for a wrapped DB-API connection. It is ...

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Topics : sqlalchemy
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