'Took an Oath' in the Bible

Therefore he called that place Beersheba, because there the two of them took an oath.

“Then the Lord heard the sound of your words, and He was angry and took an oath, saying,

Then they said, “We will give it back and will require nothing from them; we will do exactly as you say.” So I called the priests and took an oath from them that they would do according to this promise.