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![Abstract SQL
(a + b.c) in x.y
['LIKE', ['COLUMN', 't1', 'y'],
['CONCAT',
['VALUE', '%'], ['PARAM', 'p1'],
['COLUMN', 't2',...](https://image.slidesharecdn.com/ponyorm-ep-2014slideshare-140728033726-phpapp02/85/how-pony-orm-translates-python-generators-to-sql-queries-56-320.jpg?cb=1406520744)
![Specific SQL dialects
['LIKE', ['COLUMN', 't1', 'y'],
['CONCAT',
['VALUE', '%'], ['PARAM', 'p1'],
['COLUMN', 't2', 'c'], [...](https://image.slidesharecdn.com/ponyorm-ep-2014slideshare-140728033726-phpapp02/85/how-pony-orm-translates-python-generators-to-sql-queries-58-320.jpg?cb=1406520744)
![Pony ORM
s1 = Student[123]
print s1.name, s1.group.id
s2 = Student[456]
print s2.name, s2.group.id](https://image.slidesharecdn.com/ponyorm-ep-2014slideshare-140728033726-phpapp02/85/how-pony-orm-translates-python-generators-to-sql-queries-65-320.jpg?cb=1406520744)
![Pony ORM – seeds, IdentityMap
s1 = Student[123]
print s1.name, s1.group.id
s2 = Student[456]
print s2.name, s2.group.id
St...](https://image.slidesharecdn.com/ponyorm-ep-2014slideshare-140728033726-phpapp02/85/how-pony-orm-translates-python-generators-to-sql-queries-66-320.jpg?cb=1406520744)
![Pony ORM – seeds, IdentityMap
s1 = Student[123]
print s1.name, s1.group.id
s2 = Student[456]
print s2.name, s2.group.id
St...](https://image.slidesharecdn.com/ponyorm-ep-2014slideshare-140728033726-phpapp02/85/how-pony-orm-translates-python-generators-to-sql-queries-67-320.jpg?cb=1406520744)
![Pony ORM – seeds, IdentityMap
s1 = Student[123]
print s1.name, s1.group.id
s2 = Student[456]
print s2.name, s2.group.id
St...](https://image.slidesharecdn.com/ponyorm-ep-2014slideshare-140728033726-phpapp02/85/how-pony-orm-translates-python-generators-to-sql-queries-68-320.jpg?cb=1406520744)
![Pony ORM – seeds, IdentityMap
s1 = Student[123]
print s1.name, s1.group.id
s2 = Student[456]
print s2.name, s2.group.id
St...](https://image.slidesharecdn.com/ponyorm-ep-2014slideshare-140728033726-phpapp02/85/how-pony-orm-translates-python-generators-to-sql-queries-69-320.jpg?cb=1406520744)
![Pony ORM – seeds, IdentityMap
s1 = Student[123]
print s1.name, s1.group.id
s2 = Student[456]
print s2.name, s2.group.id
St...](https://image.slidesharecdn.com/ponyorm-ep-2014slideshare-140728033726-phpapp02/85/how-pony-orm-translates-python-generators-to-sql-queries-70-320.jpg?cb=1406520744)
![@db_session
def transfer_money(id1, id2, amount):
account1 = Account[id1]
if account1.amount < amount:
raise ValueError('N...](https://image.slidesharecdn.com/ponyorm-ep-2014slideshare-140728033726-phpapp02/85/how-pony-orm-translates-python-generators-to-sql-queries-79-320.jpg?cb=1406520744)
![](http://img.youtube.com/vi/["xjikvIHjvHs"]/1.jpg)