A SQL query goes into a bar, walks up to two tables and asks, "Can I join you?"

Paddy and his two friends are talking at a bar. His first friend says: "I think my wife is having an affair with the electrician. The other day I came home and found wire cutters under our bed and they weren't mine." His second friend says: "I think my wife is having an affair with the plumber. The other day I found a wrench under the bed and it wasn't mine." Paddy says: "I think my wife is having an affair with a horse." Both his friends look at him with utter disbelief. "No, I'm serious. The other day I came home and found a jockey under our bed."

Schrödinger's cat walks into a bar and doesn't.

A grasshopper walks into a bar and the bartender says, 'Hey, we have a drink named after you!' The grasshopper looks surprised and says, 'You have a drink named Steve?'

A man came home from the bar with an unknown woman. He woke up in the morning and yelled, "A crocodile, a crocodile!" The woman woke up and asked, "Where, where?" A man cried again, "O-o-oh, the crocodile is talking!"