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.
The Iron Bridge, named after its cast iron construction, is the first bridge of its kind and is both beautiful and sturdy. The Iron Bridge, located in Shropshire, England, crosses the River Severn. Prior to the bridgeâs construction, the only way across the river was by ferry.