There is a database table:

which code will return one request with the corresponding employee id, transmitted in the variable eid ?

How to make sure that a field can't contain nulls in the column?

Relations in SQLAlchemy have a flexible setting, allowing you to get data from the database in different ways at different times using a named argument lazy.

The main degrees of "laziness":

What are the definitions of models in SQLAlchemy ? (Select two)

Which of the following operators allows us to extract data in a range?

How to retrieve data using a raw query in SQLAlchemy?

What method is used to close a database connection using SQLAlchemy ? (Select two)

Which of the following is not a Clause in SQL?

Which of the following is not an aggregate function in SQL?

Choose a technology name that allows you to compare models whose types are incompatible. For example: database table and programming language object