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How to delete a table in SQLAlchemy?

Hello Guys, How are you all? Hope You all Are Fine. Today We Are Going To learn about How to delete a table in SQLAlchemy in Python. So Here I am Explain to you all the possible Methods here.

Without wasting your time, Let’s start This Article.

Table of Contents

How to delete a table in SQLAlchemy?

  1. How to delete a table in SQLAlchemy?

    This method as well as the create_all() method accept an optional argument tables, which takes an iterator of sqlalchemy.sql.schema.Table instances.

  2. delete a table in SQLAlchemy

    This method as well as the create_all() method accept an optional argument tables, which takes an iterator of sqlalchemy.sql.schema.Table instances.

Method 1

Just call drop() against the table object.

Issue a DROP statement for this Table, using the given Connectable for connectivity.

In your case it should be:

User.__table__.drop()

If you get an exception like:

sqlalchemy.exc.UnboundExecutionError: Table object 'my_users' is not bound to an Engine or Connection. Execution can not proceed without a database to execute against

You need to pass the engine:

User.__table__.drop(engine)

Method 2

Alternative to calling cls.__table__.drop(your_engine), you can try this:

Base.metadata.drop_all(bind=your_engine, tables=[User.__table__])

This method as well as the create_all() method accept an optional argument tables, which takes an iterator of sqlalchemy.sql.schema.Table instances.

You can control which tables are to be created or dropped in this way.

Summery

It’s all About this issue. Hope all Methods helped you a lot. Comment below Your thoughts and your queries. Also, Comment below which Method worked for you? Thank You.

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