found = true
			break
		}
	}
	if !found {
		t.Fatal("postgres driver not registered")
	}
}

func TestPsqlTableNameValidation(t *testing.T) {
	validTables := []string{"táblë", "table", "TableName", "\"Table name\"", "\"✅✅\"", "table$one", "\"táblë\""}
	invalidTables := []string{"table name", "table \"name\"", "✅✅", "$table$"}

	for _, name := range validTables {
		if err := validatePsqlTableName(name); err != nil {

	})
}

type Author struct {
	gorm.Model
}

type Book struct {
	gorm.Model
	Author   Author
	AuthorID uint
}

func (Book) TableName() string {
	return "my_schema.a_very_very_very_very_very_very_very_very_long_table_name"
}

func TestParseConstraintNameWithSchemaQualifiedLongTableName(t *testing.T) {
	s, err := schema.Parse(
		&Book{},

Create classes that inherit from it.

These classes are the SQLAlchemy models.

```Python hl_lines="4  7-8  18-19"
{!../../../docs_src/sql_databases/sql_app/models.py!}
```

The `__tablename__` attribute tells SQLAlchemy the name of the table to use in the database for each of these models.

### Create model attributes/columns

Now create all the model (class) attributes.

🗄 `Base` ⚪️➡️ `database` (📁 `database.py` ⚪️➡️ 🔛).

✍ 🎓 👈 😖 ⚪️➡️ ⚫️.

👫 🎓 🇸🇲 🏷.

```Python hl_lines="4  7-8  18-19"
{!../../../docs_src/sql_databases/sql_app/models.py!}
```

`__tablename__` 🔢 💬 🇸🇲 📛 🏓 ⚙️ 💽 🔠 👫 🏷.

### ✍ 🏷 🔢/🏓

🔜 ✍ 🌐 🏷 (🎓) 🔢.

🔠 👫 🔢 🎨 🏓 🚮 🔗 💽 🏓.

👥 ⚙️ `Column` ⚪️➡️ 🇸🇲 🔢 💲.