Biblical basis of oaths invoking God

Courts have a variety of oaths that may invoke deity: - I do swear in the name of God that what I shall state shall be the truth, the whole truth, and nothing but the truth - I swear by Almighty God that the evidence I shall give shall be the truth, the whole truth, and nothing but the truth - You do solemnly state that the testimony you may give in the case now pending before this court shall be the truth, the whole truth, and nothing but the truth, so help you God? Some people outside of court may make an oath to another invoking God to show their sincerity. - As God is my witness - I swear to God that.... What does the bible teach about making/keeping oaths (especially those that invoke God/Jehovah/Almighty)? Related Questions: - [Swear to tell the truth 'so help me God'](https://christianity.stackexchange.com/q/3730/22319) - Why are Thighs important? Clarification: I'm not asking why someone may swear an oath (in court or not), just what does the bible say about swearing oaths that invoke God?