Asked jokes

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

Two hydrogen atoms walk into a bar.

One turns to the other and says, "I think I've lost my electron."

The other asks, "Are you sure?"

"Yes," the first says, "I'm positive!"

How can you tell the difference between a chemist and a plumber?

Ask them to pronounce "unionized".