SQLAlchemy Core – Creating Table Let us now discuss how to use the create table function. The SQL Expression Language constructs its expressions against table columns. SQLAlchemy Column object represents a column in a database table which is in turn represented by a Tableobject. Metadata contains definitions of tables and associated objects such as index, […]
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SQLAlchemy Core – Using Textual SQL SQLAlchemy lets you just use strings, for those cases when the SQL is already known and there isn’t a strong need for the statement to support dynamic features. The text() construct is used to compose a textual statement that is passed to the database mostly unchanged. It constructs a […]
SQLAlchemy Core – Selecting Rows In this chapter, we will discuss about the concept of selecting rows in the table object. The select() method of table object enables us to construct SELECT expression. s = students.select() The select object translates to SELECT query by str(s) function as shown below − ”SELECT students.id, students.name, students.lastname FROM […]