1 FROM: specifies the tables that you want to query data from. 2  You can also use the FROM clause to join multiple tables. 3  WHERE: filters unwanted records or rows in the result. 4  GROUP BY: groups rows by common column values. 5  HAVING: uses with the GROUP BY clause to filter unwanted groups.
Natural Bridge (Virginia) For the nearby unincorporated community of the same name, see Natural Bridge, Virginia. Natural Bridge is a geological formation in Rockbridge County, Virginia, comprising a 215-foot-high (66 m) natural arch with a span of 90 feet (27 m). It is situated within a gorge carved from the surrounding mountainous limestone terrain by Cedar Creek, a small tributary of the James River.
Rainbow Bridge National Monument is administered by Glen Canyon National Recreation Area, southern Utah, United States. Rainbow Bridge is often described as the world's highest natural bridge. The span of Rainbow Bridge was reported in 1974 by the Bureau of Reclamation to be 275 feet, but a laser measurement in 2007 has resulted in a span of 234 feet. At the top it is 42 feet thick and 33 feet wide. The bridge, which is of cultural importance to a number of area Native American tribes, has been